./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:07:42,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:07:42,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:07:42,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:07:42,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:07:42,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:07:42,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:07:42,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:07:42,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:07:42,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:07:42,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:07:42,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:07:42,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:07:42,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:07:42,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:07:42,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:07:42,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:07:42,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:07:42,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:07:42,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:07:42,732 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:07:42,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:07:42,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:07:42,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:07:42,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:07:42,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:07:42,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:07:42,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:07:42,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:07:42,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:07:42,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:07:42,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:07:42,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:07:42,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:07:42,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:07:42,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:07:42,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:07:42,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:07:42,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:07:42,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:07:42,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:07:42,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:07:42,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:07:42,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:07:42,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:07:42,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:07:42,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:07:42,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:07:42,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:07:42,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:07:42,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:07:42,770 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:07:42,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:07:42,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:07:42,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:07:42,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:07:42,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:07:42,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:07:42,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:07:42,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:07:42,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:07:42,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:07:42,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:07:42,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:07:42,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:07:42,775 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:07:42,775 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:07:42,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 [2022-04-18 17:07:42,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:07:42,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:07:42,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:07:42,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:07:42,994 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:07:42,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2022-04-18 17:07:43,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ff1632c6/38b5c8dcbcba400ba8baae6a947e1fc1/FLAG69a822d19 [2022-04-18 17:07:43,411 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:07:43,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2022-04-18 17:07:43,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ff1632c6/38b5c8dcbcba400ba8baae6a947e1fc1/FLAG69a822d19 [2022-04-18 17:07:43,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ff1632c6/38b5c8dcbcba400ba8baae6a947e1fc1 [2022-04-18 17:07:43,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:07:43,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:07:43,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:07:43,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:07:43,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:07:43,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:07:43" (1/1) ... [2022-04-18 17:07:43,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36eed857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:43, skipping insertion in model container [2022-04-18 17:07:43,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:07:43" (1/1) ... [2022-04-18 17:07:43,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:07:43,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:07:43,915 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:07:44,081 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-divine/ring_2w1r-2.i[39095,39108] [2022-04-18 17:07:44,082 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-divine/ring_2w1r-2.i[39180,39193] [2022-04-18 17:07:44,083 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-divine/ring_2w1r-2.i[39232,39245] [2022-04-18 17:07:44,107 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-divine/ring_2w1r-2.i[49285,49298] [2022-04-18 17:07:44,108 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-divine/ring_2w1r-2.i[49334,49347] [2022-04-18 17:07:44,109 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-divine/ring_2w1r-2.i[49462,49475] [2022-04-18 17:07:44,109 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-divine/ring_2w1r-2.i[49520,49533] [2022-04-18 17:07:44,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:07:44,122 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:07:44,129 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:07:44,148 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-divine/ring_2w1r-2.i[39095,39108] [2022-04-18 17:07:44,149 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-divine/ring_2w1r-2.i[39180,39193] [2022-04-18 17:07:44,149 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-divine/ring_2w1r-2.i[39232,39245] [2022-04-18 17:07:44,167 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-divine/ring_2w1r-2.i[49285,49298] [2022-04-18 17:07:44,168 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-divine/ring_2w1r-2.i[49334,49347] [2022-04-18 17:07:44,169 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-divine/ring_2w1r-2.i[49462,49475] [2022-04-18 17:07:44,170 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-divine/ring_2w1r-2.i[49520,49533] [2022-04-18 17:07:44,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:07:44,211 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:07:44,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44 WrapperNode [2022-04-18 17:07:44,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:07:44,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:07:44,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:07:44,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:07:44,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,276 INFO L137 Inliner]: procedures = 309, calls = 63, calls flagged for inlining = 10, calls inlined = 8, statements flattened = 336 [2022-04-18 17:07:44,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:07:44,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:07:44,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:07:44,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:07:44,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:07:44,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:07:44,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:07:44,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:07:44,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (1/1) ... [2022-04-18 17:07:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:07:44,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:07:44,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 17:07:44,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 17:07:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-04-18 17:07:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-04-18 17:07:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-04-18 17:07:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-04-18 17:07:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:07:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:07:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 17:07:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 17:07:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:07:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 17:07:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:07:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:07:44,410 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 17:07:44,513 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:07:44,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:07:44,903 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:07:44,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:07:44,911 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-04-18 17:07:44,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:07:44 BoogieIcfgContainer [2022-04-18 17:07:44,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:07:44,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:07:44,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:07:44,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:07:44,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:07:43" (1/3) ... [2022-04-18 17:07:44,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:07:44, skipping insertion in model container [2022-04-18 17:07:44,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:07:44" (2/3) ... [2022-04-18 17:07:44,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:07:44, skipping insertion in model container [2022-04-18 17:07:44,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:07:44" (3/3) ... [2022-04-18 17:07:44,924 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2022-04-18 17:07:44,930 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:07:44,930 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:07:44,930 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-04-18 17:07:44,930 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 17:07:45,006 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 17:07:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:07:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:07:45,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:07:45,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 17:07:45,100 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writer_fnThread1of1ForFork0 ======== [2022-04-18 17:07:45,106 INFO L340 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 [2022-04-18 17:07:45,107 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-04-18 17:07:45,439 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting writer_fnErr2ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:45,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1631145555, now seen corresponding path program 1 times [2022-04-18 17:07:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:45,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970476785] [2022-04-18 17:07:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:45,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:45,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970476785] [2022-04-18 17:07:45,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970476785] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:45,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:45,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:07:45,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257416798] [2022-04-18 17:07:45,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:45,687 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 17:07:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:45,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 17:07:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 17:07:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,701 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:45,702 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2022-04-18 17:07:45,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,759 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 17:07:45,759 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:45,760 INFO L85 PathProgramCache]: Analyzing trace with hash -273945177, now seen corresponding path program 1 times [2022-04-18 17:07:45,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:45,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038506501] [2022-04-18 17:07:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:45,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038506501] [2022-04-18 17:07:45,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038506501] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:45,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:07:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467312254] [2022-04-18 17:07:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:45,892 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:07:45,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:45,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:07:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:07:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,893 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:45,894 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2022-04-18 17:07:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:45,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 17:07:45,974 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1012481393, now seen corresponding path program 1 times [2022-04-18 17:07:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228471142] [2022-04-18 17:07:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:46,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:46,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228471142] [2022-04-18 17:07:46,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228471142] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:46,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:46,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:07:46,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683205651] [2022-04-18 17:07:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:46,063 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:07:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:07:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:07:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,063 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:46,064 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2022-04-18 17:07:46,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,117 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 17:07:46,117 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash -313739839, now seen corresponding path program 1 times [2022-04-18 17:07:46,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:46,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966376461] [2022-04-18 17:07:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:46,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:46,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:46,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966376461] [2022-04-18 17:07:46,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966376461] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:46,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:46,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:07:46,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295857241] [2022-04-18 17:07:46,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:46,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:07:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:07:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:07:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,270 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:46,270 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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) [2022-04-18 17:07:46,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:46,522 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 17:07:46,522 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1403864965, now seen corresponding path program 1 times [2022-04-18 17:07:46,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:46,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759649741] [2022-04-18 17:07:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:47,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:47,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759649741] [2022-04-18 17:07:47,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759649741] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:47,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:47,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-04-18 17:07:47,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983033240] [2022-04-18 17:07:47,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:47,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-18 17:07:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-18 17:07:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-04-18 17:07:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:47,590 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:47,590 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.217391304347826) internal successors, (120), 23 states have internal predecessors, (120), 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) [2022-04-18 17:07:47,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:47,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:47,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:47,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:47,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:07:49,474 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 17:07:49,475 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:49,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:49,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1156005484, now seen corresponding path program 1 times [2022-04-18 17:07:49,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:49,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183492717] [2022-04-18 17:07:49,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:49,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:50,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:50,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183492717] [2022-04-18 17:07:50,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183492717] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:07:50,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:07:50,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-04-18 17:07:50,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543306354] [2022-04-18 17:07:50,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:07:50,303 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-18 17:07:50,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:50,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-18 17:07:50,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-04-18 17:07:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:50,304 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:50,304 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.5) internal successors, (143), 22 states have internal predecessors, (143), 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) [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:07:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:07:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:07:51,925 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 17:07:51,926 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:07:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:07:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2062503416, now seen corresponding path program 1 times [2022-04-18 17:07:51,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:07:51,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892236105] [2022-04-18 17:07:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:07:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:52,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:07:52,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892236105] [2022-04-18 17:07:52,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892236105] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:07:52,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213007261] [2022-04-18 17:07:52,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:07:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:07:52,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:07:52,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:07:52,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-18 17:07:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:07:52,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 118 conjunts are in the unsatisfiable core [2022-04-18 17:07:52,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:07:52,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-04-18 17:07:52,888 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-04-18 17:07:52,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-04-18 17:07:52,917 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-04-18 17:07:52,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 18 [2022-04-18 17:07:53,014 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 13 treesize of output 9 [2022-04-18 17:07:53,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:53,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-04-18 17:07:53,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-04-18 17:07:53,543 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 23 treesize of output 23 [2022-04-18 17:07:54,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:54,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2022-04-18 17:07:55,150 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 13 treesize of output 9 [2022-04-18 17:07:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,218 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 26 treesize of output 25 [2022-04-18 17:07:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-04-18 17:07:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-04-18 17:07:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:07:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2022-04-18 17:07:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-04-18 17:07:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:07:55,590 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:07:55,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 60 [2022-04-18 17:07:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:55,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:07:58,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:58,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:00,444 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_536 (Array Int Int))) (not (<= 4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_536) |c_ULTIMATE.start_main_~#r~3#1.base|) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))))) is different from false [2022-04-18 17:08:00,486 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (not (<= 4 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_535) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_536) |c_ULTIMATE.start_main_~#r~3#1.base|) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))))) is different from false [2022-04-18 17:08:00,523 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_535 (Array Int Int)) (v_ArrVal_536 (Array Int Int))) (not (<= 4 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| 0)) |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_535) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_536) |c_ULTIMATE.start_main_~#r~3#1.base|) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))))) is different from false [2022-04-18 17:08:00,549 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-04-18 17:08:00,550 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 29 treesize of output 35 [2022-04-18 17:08:00,567 INFO L356 Elim1Store]: treesize reduction 14, result has 64.1 percent of original size [2022-04-18 17:08:00,567 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 157 treesize of output 159 [2022-04-18 17:08:00,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 126 treesize of output 118 [2022-04-18 17:08:00,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 118 treesize of output 102 [2022-04-18 17:08:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213007261] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:08:00,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:08:00,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 33, 27] total 76 [2022-04-18 17:08:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615044004] [2022-04-18 17:08:00,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:08:00,905 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-04-18 17:08:00,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:08:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-04-18 17:08:00,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4984, Unknown=3, NotChecked=432, Total=5700 [2022-04-18 17:08:00,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:00,908 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:08:00,908 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.144736842105263) internal successors, (467), 76 states have internal predecessors, (467), 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) [2022-04-18 17:08:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:08:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:08:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:08:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:08:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-18 17:08:08,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-18 17:08:08,365 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-04-18 17:08:08,366 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting writer_fnErr4ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:08:08,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:08:08,366 INFO L85 PathProgramCache]: Analyzing trace with hash 92756355, now seen corresponding path program 1 times [2022-04-18 17:08:08,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:08:08,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306797439] [2022-04-18 17:08:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:08:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:08:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:08:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:08:11,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306797439] [2022-04-18 17:08:11,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306797439] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:08:11,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595751137] [2022-04-18 17:08:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:08:11,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:08:11,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:08:11,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:08:11,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-18 17:08:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:08:11,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 129 conjunts are in the unsatisfiable core [2022-04-18 17:08:11,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:08:11,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-04-18 17:08:11,617 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-04-18 17:08:11,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-04-18 17:08:11,662 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-04-18 17:08:11,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 18 [2022-04-18 17:08:11,802 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 13 treesize of output 9 [2022-04-18 17:08:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:11,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-04-18 17:08:12,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-04-18 17:08:12,280 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 16 treesize of output 18 [2022-04-18 17:08:13,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:14,004 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-04-18 17:08:14,004 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 2 case distinctions, treesize of input 30 treesize of output 28 [2022-04-18 17:08:14,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:14,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-04-18 17:08:14,471 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 16 treesize of output 12 [2022-04-18 17:08:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-04-18 17:08:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2022-04-18 17:08:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2022-04-18 17:08:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-04-18 17:08:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 55 [2022-04-18 17:08:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 55 [2022-04-18 17:08:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 58 [2022-04-18 17:08:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:14,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 68 [2022-04-18 17:08:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:15,055 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:08:15,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 68 [2022-04-18 17:08:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:15,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:08:24,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:24,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:36,867 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int)) (not (= |c_ULTIMATE.start_main_~#r~3#1.offset| (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (let ((.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (select .cse0 .cse1)) 4) v_ArrVal_825)) .cse1)) 4) 4)))) (forall ((v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int)) (not (= (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (let ((.cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (select .cse2 .cse3)) 4) v_ArrVal_825)) .cse3)) 4)) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 16))))) is different from false [2022-04-18 17:08:36,877 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int)) (not (= (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (let ((.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_823) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (select .cse0 .cse1) 4) 4) v_ArrVal_825)) .cse1)) 4)) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 16)))) (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int)) (not (= |c_ULTIMATE.start_main_~#r~3#1.offset| (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (let ((.cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_823) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* (select .cse2 .cse3) 4) 4) v_ArrVal_825)) .cse3)) 4) 4))))) is different from false [2022-04-18 17:08:36,951 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int) (v_ArrVal_822 Int)) (not (= |c_ULTIMATE.start_main_~#r~3#1.offset| (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (let ((.cse1 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| v_ArrVal_822)) |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_823) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse0 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (select .cse0 .cse1)) 4) v_ArrVal_825)) .cse1))) 4)))) (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_824 (Array Int Int)) (v_ArrVal_825 Int) (v_ArrVal_822 Int)) (not (= (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (let ((.cse3 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 20))) (select (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ring_init_~r#1.base|) |c_ULTIMATE.start_ring_init_~r#1.offset| v_ArrVal_822)) |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_823) |c_ULTIMATE.start_main_~#writer~0#1.base| v_ArrVal_824) |c_ULTIMATE.start_main_~#r~3#1.base|))) (store .cse2 (+ |c_ULTIMATE.start_main_~#r~3#1.offset| (* 4 (select .cse2 .cse3)) 4) v_ArrVal_825)) .cse3)))) (+ |c_ULTIMATE.start_main_~#r~3#1.offset| 16))))) is different from false [2022-04-18 17:08:37,010 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-04-18 17:08:37,010 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 68 treesize of output 61 [2022-04-18 17:08:37,018 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:08:37,018 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 297 treesize of output 295 [2022-04-18 17:08:37,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 398 treesize of output 350 [2022-04-18 17:08:37,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 258 treesize of output 234 [2022-04-18 17:08:37,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 8 treesize of output 4 [2022-04-18 17:08:37,061 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:08:37,062 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 74 treesize of output 70 [2022-04-18 17:08:37,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:08:37,085 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-04-18 17:08:37,086 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 67 treesize of output 1 [2022-04-18 17:08:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:37,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595751137] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:08:37,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:08:37,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 35] total 101 [2022-04-18 17:08:37,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523357638] [2022-04-18 17:08:37,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:08:37,774 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-04-18 17:08:37,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:08:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-04-18 17:08:37,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=9125, Unknown=12, NotChecked=582, Total=10100 [2022-04-18 17:08:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:37,776 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:08:37,776 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.2772277227722775) internal successors, (533), 101 states have internal predecessors, (533), 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) [2022-04-18 17:08:37,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:37,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-04-18 17:08:37,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:08:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-18 17:08:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-04-18 17:08:49,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-18 17:08:49,736 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:08:49,736 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting writer_fnErr4ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:08:49,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:08:49,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1391126177, now seen corresponding path program 1 times [2022-04-18 17:08:49,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:08:49,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057011966] [2022-04-18 17:08:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:08:49,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:08:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:08:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:50,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:08:50,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057011966] [2022-04-18 17:08:50,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057011966] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:08:50,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108858176] [2022-04-18 17:08:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:08:50,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:08:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:08:50,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:08:50,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-18 17:08:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:08:50,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 95 conjunts are in the unsatisfiable core [2022-04-18 17:08:50,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:08:52,229 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 11 treesize of output 7 [2022-04-18 17:08:52,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,275 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 21 treesize of output 20 [2022-04-18 17:08:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,341 INFO L356 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-04-18 17:08:52,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 45 [2022-04-18 17:08:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-04-18 17:08:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 54 [2022-04-18 17:08:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,572 INFO L356 Elim1Store]: treesize reduction 98, result has 34.2 percent of original size [2022-04-18 17:08:52,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 82 [2022-04-18 17:08:52,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2022-04-18 17:08:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 90 [2022-04-18 17:08:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:52,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 102 [2022-04-18 17:08:53,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:08:53,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 114 [2022-04-18 17:08:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:08:53,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:09:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:20,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108858176] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:09:20,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:09:20,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 28, 27] total 72 [2022-04-18 17:09:20,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858884263] [2022-04-18 17:09:20,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:09:20,016 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-04-18 17:09:20,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:20,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-04-18 17:09:20,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=4687, Unknown=4, NotChecked=0, Total=5112 [2022-04-18 17:09:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:20,018 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:20,018 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.930555555555555) internal successors, (499), 72 states have internal predecessors, (499), 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) [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-04-18 17:09:20,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:26,151 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|))) (and (= (select .cse0 (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= |c_writer_fnThread1of1ForFork0_~arg#1.offset| 0) (= |c_ULTIMATE.start_ring_enqueue_~r#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (= |c_reader_twoThread1of1ForFork1_#in~arg#1.offset| 0) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_reader_twoThread1of1ForFork1_~arg#1.base|) (= |c_ULTIMATE.start_writer_fn_~arg#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_#in~r#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_writer_fnThread1of1ForFork0_#in~arg#1.base|) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_writer_fnThread1of1ForFork0_~r~1#1.base|) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.base| |c_writer_fnThread1of1ForFork0_~arg#1.base|) (= |c_writer_fnThread1of1ForFork0_#in~arg#1.offset| 0) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (forall ((v_ArrVal_1121 Int) (v_ArrVal_1115 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (let ((.cse5 (+ 21 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) (.cse2 (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 1))) (let ((.cse3 (let ((.cse6 (let ((.cse7 (let ((.cse8 (let ((.cse10 (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4))) (let ((.cse9 (let ((.cse11 (let ((.cse12 (store |c_#race| |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select |c_#race| |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| .cse10 6) v_ArrVal_1115)))) (store .cse12 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse12 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) .cse2 0))))) (store .cse11 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse11 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) .cse5 0))))) (store .cse9 |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select .cse9 |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| .cse10 7) v_ArrVal_1121)))))) (store .cse8 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse8 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 2) 0))))) (store .cse7 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse7 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0))))) (store .cse6 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse6 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 3) 0))))) (let ((.cse4 (select .cse3 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|))) (or (let ((.cse1 (select (store .cse3 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store .cse4 (+ 23 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0)) |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|))) (and (= (select .cse1 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset|) 0) (= (select .cse1 .cse2) 0))) (and (= (select .cse4 (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= (select .cse4 .cse5) 0))))))) (= |c_ULTIMATE.start_writer_fn_#in~arg#1.offset| 0) (forall ((v_ArrVal_1121 Int)) (let ((.cse14 (+ 21 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) (.cse16 (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 1))) (let ((.cse17 (let ((.cse18 (let ((.cse19 (let ((.cse20 (let ((.cse21 (let ((.cse22 (store |c_#race| |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select |c_#race| |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) .cse16 0)))) (store .cse22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) .cse14 0))))) (store .cse21 |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select .cse21 |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| 7 (* |c_ULTIMATE.start_ring_enqueue_#t~mem6#1| 4)) v_ArrVal_1121))))) (store .cse20 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse20 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 2) 0))))) (store .cse19 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse19 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0))))) (store .cse18 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse18 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 3) 0))))) (let ((.cse13 (select .cse17 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|))) (or (and (= (select .cse13 .cse14) 0) (= (select .cse13 (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0)) (let ((.cse15 (select (store .cse17 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store .cse13 (+ 23 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0)) |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|))) (and (= (select .cse15 .cse16) 0) (= (select .cse15 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset|) 0)))))))) (= (select .cse0 (+ 22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= |c_reader_twoThread1of1ForFork1_ring_empty_#in~r#1.offset| 0) (= (select .cse0 (+ 21 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= |c_reader_twoThread1of1ForFork1_~r~2#1.offset| 0) (= |c_writer_fnThread1of1ForFork0_~r~1#1.offset| 0) (= |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset| 0) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_ULTIMATE.start_writer_fn_#in~arg#1.base|) (= |c_ULTIMATE.start_main_~#r~3#1.offset| 0) (= |c_ULTIMATE.start_ring_enqueue_~r#1.base| |c_reader_twoThread1of1ForFork1_ring_empty_#in~r#1.base|) (= |c_writer_fnThread1of1ForFork0_ring_enqueue_#in~r#1.offset| 0) (= |c_writer_fnThread1of1ForFork0_ring_enqueue_#in~r#1.base| |c_ULTIMATE.start_writer_fn_#in~arg#1.base|) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|) (= |c_reader_twoThread1of1ForFork1_~arg#1.offset| 0) (= |c_ULTIMATE.start_writer_fn_~arg#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_ULTIMATE.start_ring_enqueue_#in~r#1.base|) (= |c_ULTIMATE.start_ring_enqueue_#in~r#1.offset| 0) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_#in~r#1.base|) (= |c_ULTIMATE.start_writer_fn_~arg#1.offset| 0) (= |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| |c_ULTIMATE.start_writer_fn_~r~1#1.base|) (= |c_ULTIMATE.start_writer_fn_~r~1#1.offset| 0) (= |c_ULTIMATE.start_ring_enqueue_~r#1.offset| 0) (= |c_reader_twoThread1of1ForFork1_~r~2#1.base| |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (= (select .cse0 (+ 23 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= |c_reader_twoThread1of1ForFork1_#in~arg#1.base| |c_ULTIMATE.start_main_~#r~3#1.base|))) is different from false [2022-04-18 17:09:27,037 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_ring_enqueue_~r#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (forall ((v_ArrVal_1121 Int) (v_ArrVal_1115 Int) (|ULTIMATE.start_ring_enqueue_#t~mem6#1| Int)) (let ((.cse4 (+ 21 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) (.cse1 (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 1))) (let ((.cse2 (let ((.cse5 (let ((.cse6 (let ((.cse7 (let ((.cse9 (* |ULTIMATE.start_ring_enqueue_#t~mem6#1| 4))) (let ((.cse8 (let ((.cse10 (let ((.cse11 (store |c_#race| |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select |c_#race| |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| .cse9 6) v_ArrVal_1115)))) (store .cse11 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse11 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) .cse1 0))))) (store .cse10 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse10 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) .cse4 0))))) (store .cse8 |c_ULTIMATE.start_ring_enqueue_~r#1.base| (store (select .cse8 |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| .cse9 7) v_ArrVal_1121)))))) (store .cse7 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse7 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 2) 0))))) (store .cse6 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store (select .cse6 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (+ 22 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0))))) (store .cse5 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| (store (select .cse5 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|) (+ |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 3) 0))))) (let ((.cse3 (select .cse2 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|))) (or (let ((.cse0 (select (store .cse2 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base| (store .cse3 (+ 23 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|) 0)) |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base|))) (and (= (select .cse0 |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset|) 0) (= (select .cse0 .cse1) 0))) (and (= (select .cse3 (+ 20 |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset|)) 0) (= (select .cse3 .cse4) 0))))))) (= |c_reader_twoThread1of1ForFork1_ring_empty_#in~r#1.offset| 0) (= |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset| 0) (= |c_ULTIMATE.start_ring_enqueue_~r#1.base| |c_reader_twoThread1of1ForFork1_ring_empty_#in~r#1.base|) (= |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.offset| 0) (= |c_reader_twoThread1of1ForFork1_ring_empty_~r#1.base| |c_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.base|) (= |c_ULTIMATE.start_ring_enqueue_~r#1.offset| 0)) is different from false [2022-04-18 17:09:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-04-18 17:09:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:30,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-18 17:09:30,698 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:09:30,698 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting writer_fnErr5ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:09:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1527115719, now seen corresponding path program 1 times [2022-04-18 17:09:30,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:30,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895133138] [2022-04-18 17:09:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:31,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:31,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895133138] [2022-04-18 17:09:31,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895133138] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:09:31,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895555964] [2022-04-18 17:09:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:09:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:09:31,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:09:31,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-18 17:09:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:31,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 87 conjunts are in the unsatisfiable core [2022-04-18 17:09:31,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:09:33,101 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 13 treesize of output 9 [2022-04-18 17:09:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,144 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 23 treesize of output 22 [2022-04-18 17:09:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,163 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 23 treesize of output 22 [2022-04-18 17:09:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,181 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 23 treesize of output 22 [2022-04-18 17:09:33,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:09:33,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:09:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:33,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:09:33,351 INFO L356 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-04-18 17:09:33,352 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 6 case distinctions, treesize of input 41 treesize of output 46 [2022-04-18 17:09:33,408 INFO L356 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-04-18 17:09:33,408 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 6 case distinctions, treesize of input 41 treesize of output 46 [2022-04-18 17:09:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:33,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:09:35,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:35,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:35,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:35,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:40,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895555964] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:09:40,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:09:40,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 64 [2022-04-18 17:09:40,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436504461] [2022-04-18 17:09:40,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:09:40,348 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-04-18 17:09:40,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:40,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-04-18 17:09:40,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3896, Unknown=0, NotChecked=0, Total=4160 [2022-04-18 17:09:40,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:40,350 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:40,350 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 8.875) internal successors, (568), 65 states have internal predecessors, (568), 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) [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:40,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-04-18 17:09:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:44,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:44,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:44,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-18 17:09:44,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-18 17:09:44,307 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:09:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1111981266, now seen corresponding path program 1 times [2022-04-18 17:09:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:44,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164950430] [2022-04-18 17:09:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-04-18 17:09:44,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:44,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164950430] [2022-04-18 17:09:44,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164950430] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:09:44,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:09:44,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:09:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862593532] [2022-04-18 17:09:44,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:09:44,470 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:09:44,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:44,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:09:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:09:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:44,472 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:44,472 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.4) internal successors, (207), 6 states have internal predecessors, (207), 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) [2022-04-18 17:09:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:45,350 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 17:09:45,350 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:09:45,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:45,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1300341663, now seen corresponding path program 1 times [2022-04-18 17:09:45,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:45,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534787021] [2022-04-18 17:09:45,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:45,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-04-18 17:09:45,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:45,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534787021] [2022-04-18 17:09:45,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534787021] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:09:45,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:09:45,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:09:45,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482897791] [2022-04-18 17:09:45,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:09:45,469 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:09:45,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:45,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:09:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:09:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:45,470 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:45,470 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.4) internal successors, (207), 6 states have internal predecessors, (207), 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) [2022-04-18 17:09:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:45,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,049 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 17:09:46,049 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting writer_fnErr5ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:09:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:46,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1346874593, now seen corresponding path program 1 times [2022-04-18 17:09:46,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:46,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049357873] [2022-04-18 17:09:46,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:46,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-04-18 17:09:46,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:46,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049357873] [2022-04-18 17:09:46,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049357873] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:09:46,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:09:46,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:09:46,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662504791] [2022-04-18 17:09:46,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:09:46,182 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:09:46,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:46,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:09:46,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:09:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:46,183 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:46,183 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.4) internal successors, (207), 6 states have internal predecessors, (207), 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) [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:46,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:49,602 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 17:09:49,602 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:09:49,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:49,602 INFO L85 PathProgramCache]: Analyzing trace with hash 668576437, now seen corresponding path program 1 times [2022-04-18 17:09:49,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:49,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329497941] [2022-04-18 17:09:49,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:50,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:50,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329497941] [2022-04-18 17:09:50,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329497941] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:09:50,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5570761] [2022-04-18 17:09:50,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:50,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:09:50,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:09:50,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:09:50,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-18 17:09:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:50,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 73 conjunts are in the unsatisfiable core [2022-04-18 17:09:50,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:09:52,176 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 13 treesize of output 9 [2022-04-18 17:09:52,327 INFO L356 Elim1Store]: treesize reduction 150, result has 15.7 percent of original size [2022-04-18 17:09:52,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 53 [2022-04-18 17:09:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:52,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:09:52,758 INFO L356 Elim1Store]: treesize reduction 138, result has 52.2 percent of original size [2022-04-18 17:09:52,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 508 [2022-04-18 17:09:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:09:57,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5570761] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:09:57,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:09:57,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 20] total 56 [2022-04-18 17:09:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623458503] [2022-04-18 17:09:57,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:09:57,345 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-04-18 17:09:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-04-18 17:09:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2886, Unknown=0, NotChecked=0, Total=3080 [2022-04-18 17:09:57,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:57,346 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:57,346 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 11.392857142857142) internal successors, (638), 56 states have internal predecessors, (638), 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) [2022-04-18 17:09:57,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:57,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:57,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:57,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-18 17:10:00,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-18 17:10:00,847 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-18 17:10:00,848 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:10:00,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:10:00,848 INFO L85 PathProgramCache]: Analyzing trace with hash -285987358, now seen corresponding path program 1 times [2022-04-18 17:10:00,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:10:00,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149557126] [2022-04-18 17:10:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:10:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:10:02,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149557126] [2022-04-18 17:10:02,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149557126] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:02,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902311273] [2022-04-18 17:10:02,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:10:02,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:10:02,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-18 17:10:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:02,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 87 conjunts are in the unsatisfiable core [2022-04-18 17:10:02,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:10:04,353 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 13 treesize of output 9 [2022-04-18 17:10:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2022-04-18 17:10:04,801 INFO L356 Elim1Store]: treesize reduction 150, result has 15.7 percent of original size [2022-04-18 17:10:04,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 60 treesize of output 53 [2022-04-18 17:10:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:04,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:10:05,488 INFO L356 Elim1Store]: treesize reduction 118, result has 60.0 percent of original size [2022-04-18 17:10:05,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1522 treesize of output 1590 [2022-04-18 17:10:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:29,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902311273] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:10:29,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:10:29,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 63 [2022-04-18 17:10:29,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712490075] [2022-04-18 17:10:29,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:10:29,509 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-04-18 17:10:29,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:10:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-04-18 17:10:29,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=3683, Unknown=0, NotChecked=0, Total=3906 [2022-04-18 17:10:29,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:29,511 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:10:29,511 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 9.380952380952381) internal successors, (591), 63 states have internal predecessors, (591), 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) [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:29,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:29,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:29,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-04-18 17:10:29,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-18 17:10:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-18 17:10:33,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-18 17:10:34,127 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-04-18 17:10:34,128 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:10:34,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:10:34,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1690713042, now seen corresponding path program 1 times [2022-04-18 17:10:34,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:10:34,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483268933] [2022-04-18 17:10:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:10:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:10:34,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:10:34,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483268933] [2022-04-18 17:10:34,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483268933] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:34,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705146588] [2022-04-18 17:10:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:34,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:34,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:10:34,563 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:10:34,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-18 17:10:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:34,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 94 conjunts are in the unsatisfiable core [2022-04-18 17:10:34,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:10:36,044 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 13 treesize of output 9 [2022-04-18 17:10:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,077 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 21 treesize of output 20 [2022-04-18 17:10:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:10:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 17:10:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-04-18 17:10:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2022-04-18 17:10:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2022-04-18 17:10:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:36,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 92 [2022-04-18 17:10:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:10:36,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:10:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-04-18 17:10:42,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705146588] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:42,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-18 17:10:42,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17, 28] total 48 [2022-04-18 17:10:42,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004498862] [2022-04-18 17:10:42,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:10:42,234 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-18 17:10:42,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:10:42,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-18 17:10:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1990, Unknown=0, NotChecked=0, Total=2256 [2022-04-18 17:10:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:42,236 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:10:42,236 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 21.4) internal successors, (214), 11 states have internal predecessors, (214), 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) [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-04-18 17:10:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-18 17:10:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 17:10:45,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-18 17:10:45,884 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:45,885 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:10:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:10:45,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1690713073, now seen corresponding path program 1 times [2022-04-18 17:10:45,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:10:45,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690072824] [2022-04-18 17:10:45,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:10:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:10:46,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:10:46,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690072824] [2022-04-18 17:10:46,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690072824] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:46,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442239607] [2022-04-18 17:10:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:46,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:46,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:10:46,311 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:10:46,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-18 17:10:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:46,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-18 17:10:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:10:48,683 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 13 treesize of output 9 [2022-04-18 17:10:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,739 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 23 treesize of output 22 [2022-04-18 17:10:48,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,766 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 23 treesize of output 22 [2022-04-18 17:10:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,793 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 23 treesize of output 22 [2022-04-18 17:10:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:48,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:10:49,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:49,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2022-04-18 17:10:49,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,416 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-04-18 17:10:49,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2022-04-18 17:10:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,503 INFO L356 Elim1Store]: treesize reduction 42, result has 40.8 percent of original size [2022-04-18 17:10:49,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 73 [2022-04-18 17:10:49,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:49,624 INFO L356 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2022-04-18 17:10:49,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 82 treesize of output 88 [2022-04-18 17:10:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:49,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:11:00,533 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset_113| Int) (v_ArrVal_3612 Int) (v_ArrVal_3610 Int) (v_ArrVal_3608 Int)) (or (< |c_writer_fnThread1of1ForFork0_~r~1#1.offset| |v_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset_113|) (not (= (select (select (store |c_#race| |c_writer_fnThread1of1ForFork0_~r~1#1.base| (store (store (store (select |c_#race| |c_writer_fnThread1of1ForFork0_~r~1#1.base|) (+ 20 |v_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset_113|) v_ArrVal_3608) (+ 21 |v_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset_113|) v_ArrVal_3610) (+ 22 |v_writer_fnThread1of1ForFork0_ring_enqueue_~r#1.offset_113|) v_ArrVal_3612)) |c_ULTIMATE.start_ring_enqueue_~r#1.base|) (+ |c_ULTIMATE.start_ring_enqueue_~r#1.offset| 23)) 0)))) is different from false [2022-04-18 17:11:18,934 INFO L356 Elim1Store]: treesize reduction 44, result has 46.3 percent of original size [2022-04-18 17:11:18,935 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 314068 treesize of output 311729 [2022-04-18 17:11:30,844 WARN L232 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 1276 DAG size of output: 1243 (called from [L1073] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-04-18 17:11:31,243 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-04-18 17:11:31,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:31,459 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-18 17:11:31,460 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:691) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:674) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:610) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:452) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:356) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:264) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:250) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-04-18 17:11:31,463 INFO L158 Benchmark]: Toolchain (without parser) took 227689.34ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 75.7MB in the beginning and 888.3MB in the end (delta: -812.6MB). Peak memory consumption was 921.3MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,463 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:11:31,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.14ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 65.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.97ms. Allocated memory is still 115.3MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,464 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 115.3MB. Free memory was 60.3MB in the beginning and 56.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,464 INFO L158 Benchmark]: RCFGBuilder took 590.40ms. Allocated memory is still 115.3MB. Free memory was 56.1MB in the beginning and 67.0MB in the end (delta: -10.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,464 INFO L158 Benchmark]: TraceAbstraction took 226548.81ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 66.4MB in the beginning and 888.3MB in the end (delta: -821.9MB). Peak memory consumption was 912.3MB. Max. memory is 16.1GB. [2022-04-18 17:11:31,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.14ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 65.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.97ms. Allocated memory is still 115.3MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.30ms. Allocated memory is still 115.3MB. Free memory was 60.3MB in the beginning and 56.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 590.40ms. Allocated memory is still 115.3MB. Free memory was 56.1MB in the beginning and 67.0MB in the end (delta: -10.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 226548.81ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 66.4MB in the beginning and 888.3MB in the end (delta: -821.9MB). Peak memory consumption was 912.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-18 17:11:31,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-04-18 17:11:31,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:11:33,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:11:33,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:11:33,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:11:33,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:11:33,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:11:33,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:11:33,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:11:33,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:11:33,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:11:33,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:11:33,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:11:33,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:11:33,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:11:33,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:11:33,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:11:33,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:11:33,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:11:33,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:11:33,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:11:33,485 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:11:33,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:11:33,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:11:33,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:11:33,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:11:33,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:11:33,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:11:33,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:11:33,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:11:33,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:11:33,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:11:33,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:11:33,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:11:33,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:11:33,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:11:33,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:11:33,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:11:33,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:11:33,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:11:33,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:11:33,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:11:33,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:11:33,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2022-04-18 17:11:33,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:11:33,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:11:33,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:11:33,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:11:33,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:11:33,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:11:33,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:11:33,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:11:33,545 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:11:33,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:11:33,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:11:33,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:11:33,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:11:33,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:11:33,548 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:11:33,549 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:11:33,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 17:11:33,549 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37b8edad74269e9ff0decb0295cb9343b2467e698f16054f344bf342aab69b21 [2022-04-18 17:11:33,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:11:33,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:11:33,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:11:33,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:11:33,797 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:11:33,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2022-04-18 17:11:33,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b280c314a/eea50c8b5fa94c1793399edef2e08604/FLAG60cc67d20 [2022-04-18 17:11:34,301 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:11:34,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2022-04-18 17:11:34,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b280c314a/eea50c8b5fa94c1793399edef2e08604/FLAG60cc67d20 [2022-04-18 17:11:34,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b280c314a/eea50c8b5fa94c1793399edef2e08604 [2022-04-18 17:11:34,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:11:34,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:11:34,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:11:34,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:11:34,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:11:34,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:11:34" (1/1) ... [2022-04-18 17:11:34,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a35b216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:34, skipping insertion in model container [2022-04-18 17:11:34,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:11:34" (1/1) ... [2022-04-18 17:11:34,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:11:34,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:11:34,755 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:11:34,952 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-divine/ring_2w1r-2.i[39095,39108] [2022-04-18 17:11:34,954 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-divine/ring_2w1r-2.i[39180,39193] [2022-04-18 17:11:34,954 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-divine/ring_2w1r-2.i[39232,39245] [2022-04-18 17:11:34,995 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-divine/ring_2w1r-2.i[49285,49298] [2022-04-18 17:11:34,997 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-divine/ring_2w1r-2.i[49334,49347] [2022-04-18 17:11:34,999 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-divine/ring_2w1r-2.i[49462,49475] [2022-04-18 17:11:35,000 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-divine/ring_2w1r-2.i[49520,49533] [2022-04-18 17:11:35,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:11:35,016 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:11:35,023 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:11:35,043 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-divine/ring_2w1r-2.i[39095,39108] [2022-04-18 17:11:35,043 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-divine/ring_2w1r-2.i[39180,39193] [2022-04-18 17:11:35,043 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-divine/ring_2w1r-2.i[39232,39245] [2022-04-18 17:11:35,049 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-divine/ring_2w1r-2.i[49285,49298] [2022-04-18 17:11:35,050 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-divine/ring_2w1r-2.i[49334,49347] [2022-04-18 17:11:35,052 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-divine/ring_2w1r-2.i[49462,49475] [2022-04-18 17:11:35,052 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-divine/ring_2w1r-2.i[49520,49533] [2022-04-18 17:11:35,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:11:35,110 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:11:35,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35 WrapperNode [2022-04-18 17:11:35,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:11:35,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:11:35,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:11:35,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:11:35,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,192 INFO L137 Inliner]: procedures = 313, calls = 63, calls flagged for inlining = 10, calls inlined = 8, statements flattened = 336 [2022-04-18 17:11:35,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:11:35,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:11:35,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:11:35,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:11:35,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:11:35,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:11:35,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:11:35,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:11:35,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (1/1) ... [2022-04-18 17:11:35,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:11:35,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:11:35,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 17:11:35,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 17:11:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-04-18 17:11:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-04-18 17:11:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-04-18 17:11:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-04-18 17:11:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:11:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:11:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:11:35,301 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 17:11:35,467 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:11:35,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:11:36,012 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:11:36,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:11:36,022 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-04-18 17:11:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:11:36 BoogieIcfgContainer [2022-04-18 17:11:36,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:11:36,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:11:36,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:11:36,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:11:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:11:34" (1/3) ... [2022-04-18 17:11:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59857646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:11:36, skipping insertion in model container [2022-04-18 17:11:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:11:35" (2/3) ... [2022-04-18 17:11:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59857646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:11:36, skipping insertion in model container [2022-04-18 17:11:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:11:36" (3/3) ... [2022-04-18 17:11:36,032 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2022-04-18 17:11:36,036 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:11:36,036 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:11:36,036 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-04-18 17:11:36,036 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 17:11:36,160 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 17:11:36,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:11:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:11:36,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 17:11:36,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 17:11:36,225 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writer_fnThread1of1ForFork0 ======== [2022-04-18 17:11:36,233 INFO L340 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 [2022-04-18 17:11:36,234 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-04-18 17:11:36,630 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting writer_fnErr2ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:36,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2066783322, now seen corresponding path program 1 times [2022-04-18 17:11:36,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:36,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384042193] [2022-04-18 17:11:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:36,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:36,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:36,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-04-18 17:11:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:36,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2022-04-18 17:11:36,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:36,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:36,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:36,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384042193] [2022-04-18 17:11:36,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384042193] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:36,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:11:36,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618521207] [2022-04-18 17:11:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:36,973 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 17:11:36,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:36,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 17:11:36,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 17:11:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:36,988 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:36,989 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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) [2022-04-18 17:11:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:37,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:37,296 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:37,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:37,297 INFO L85 PathProgramCache]: Analyzing trace with hash -961591301, now seen corresponding path program 1 times [2022-04-18 17:11:37,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:37,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462599167] [2022-04-18 17:11:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:37,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:37,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:37,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:37,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-04-18 17:11:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:37,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-18 17:11:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:37,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:37,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:37,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462599167] [2022-04-18 17:11:37,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462599167] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:37,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:37,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:11:37,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473040343] [2022-04-18 17:11:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:37,560 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:11:37,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:37,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:11:37,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:11:37,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,561 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:37,561 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2022-04-18 17:11:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:37,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:37,879 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:37,879 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:37,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash -414548283, now seen corresponding path program 1 times [2022-04-18 17:11:37,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:37,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808384829] [2022-04-18 17:11:37,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:37,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:37,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:37,887 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:37,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-04-18 17:11:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:37,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-18 17:11:37,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:38,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:38,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:38,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808384829] [2022-04-18 17:11:38,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808384829] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:38,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:38,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:11:38,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564411137] [2022-04-18 17:11:38,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:38,145 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:11:38,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:38,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:11:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:11:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,146 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:38,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-04-18 17:11:38,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:38,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:38,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:38,452 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:38,453 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting writer_fnErr0ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:38,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:38,453 INFO L85 PathProgramCache]: Analyzing trace with hash 284193271, now seen corresponding path program 1 times [2022-04-18 17:11:38,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:38,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462588049] [2022-04-18 17:11:38,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:38,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:38,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:38,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:38,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-04-18 17:11:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:38,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-18 17:11:38,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:38,698 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 13 treesize of output 9 [2022-04-18 17:11:38,730 INFO L356 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2022-04-18 17:11:38,731 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 1 case distinctions, treesize of input 23 treesize of output 25 [2022-04-18 17:11:38,792 INFO L356 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2022-04-18 17:11:38,793 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 3 case distinctions, treesize of input 32 treesize of output 40 [2022-04-18 17:11:38,883 INFO L356 Elim1Store]: treesize reduction 105, result has 26.1 percent of original size [2022-04-18 17:11:38,884 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 6 case distinctions, treesize of input 41 treesize of output 55 [2022-04-18 17:11:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:38,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:38,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:38,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462588049] [2022-04-18 17:11:38,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462588049] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:38,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:38,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:11:38,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210911256] [2022-04-18 17:11:38,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:38,967 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:11:38,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:38,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:11:38,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:11:38,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,967 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:38,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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) [2022-04-18 17:11:38,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:39,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:39,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:39,639 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:39,640 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:39,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2074225661, now seen corresponding path program 1 times [2022-04-18 17:11:39,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:39,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112683885] [2022-04-18 17:11:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:39,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:39,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:39,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:39,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-04-18 17:11:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:39,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 54 conjunts are in the unsatisfiable core [2022-04-18 17:11:39,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:40,790 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 11 treesize of output 7 [2022-04-18 17:11:40,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,835 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 21 treesize of output 20 [2022-04-18 17:11:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,868 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 21 treesize of output 20 [2022-04-18 17:11:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,890 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 21 treesize of output 20 [2022-04-18 17:11:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:11:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:40,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:11:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 17:11:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:41,142 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:11:41,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2022-04-18 17:11:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:41,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:41,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:41,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112683885] [2022-04-18 17:11:41,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112683885] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:41,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:41,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-04-18 17:11:41,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671091792] [2022-04-18 17:11:41,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:41,191 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-04-18 17:11:41,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:41,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-04-18 17:11:41,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-04-18 17:11:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:41,192 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:41,192 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 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) [2022-04-18 17:11:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:41,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:11:44,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:44,593 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:44,593 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:44,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash 434058950, now seen corresponding path program 1 times [2022-04-18 17:11:44,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:44,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958861793] [2022-04-18 17:11:44,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:44,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:44,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:44,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:44,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-04-18 17:11:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:44,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 54 conjunts are in the unsatisfiable core [2022-04-18 17:11:44,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:45,767 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 13 treesize of output 9 [2022-04-18 17:11:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,824 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 23 treesize of output 22 [2022-04-18 17:11:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,846 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 23 treesize of output 22 [2022-04-18 17:11:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,876 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 23 treesize of output 22 [2022-04-18 17:11:45,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:11:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:45,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:11:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:11:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,086 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:11:46,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 17:11:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:46,148 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:11:46,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2022-04-18 17:11:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:46,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:11:46,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:11:46,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958861793] [2022-04-18 17:11:46,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958861793] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:11:46,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:11:46,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-04-18 17:11:46,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736425746] [2022-04-18 17:11:46,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:11:46,235 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-04-18 17:11:46,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:11:46,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-04-18 17:11:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2022-04-18 17:11:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:46,236 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:11:46,236 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.0) internal successors, (144), 24 states have internal predecessors, (144), 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) [2022-04-18 17:11:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:11:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:11:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:11:49,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-04-18 17:11:49,633 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:11:49,633 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:11:49,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:49,634 INFO L85 PathProgramCache]: Analyzing trace with hash -349339490, now seen corresponding path program 1 times [2022-04-18 17:11:49,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:11:49,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052122141] [2022-04-18 17:11:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:49,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:11:49,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:11:49,635 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:11:49,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-04-18 17:11:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 40 conjunts are in the unsatisfiable core [2022-04-18 17:11:49,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:50,600 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 16 treesize of output 12 [2022-04-18 17:11:50,653 INFO L356 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2022-04-18 17:11:50,653 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 1 case distinctions, treesize of input 26 treesize of output 28 [2022-04-18 17:11:50,711 INFO L356 Elim1Store]: treesize reduction 39, result has 27.8 percent of original size [2022-04-18 17:11:50,711 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 1 case distinctions, treesize of input 29 treesize of output 31 [2022-04-18 17:11:50,791 INFO L356 Elim1Store]: treesize reduction 82, result has 27.4 percent of original size [2022-04-18 17:11:50,792 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 3 case distinctions, treesize of input 41 treesize of output 49 [2022-04-18 17:11:50,880 INFO L356 Elim1Store]: treesize reduction 94, result has 24.8 percent of original size [2022-04-18 17:11:50,880 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 3 case distinctions, treesize of input 44 treesize of output 52 [2022-04-18 17:11:50,975 INFO L356 Elim1Store]: treesize reduction 138, result has 25.0 percent of original size [2022-04-18 17:11:50,976 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 6 case distinctions, treesize of input 55 treesize of output 69 [2022-04-18 17:11:51,077 INFO L356 Elim1Store]: treesize reduction 168, result has 21.5 percent of original size [2022-04-18 17:11:51,078 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 6 case distinctions, treesize of input 65 treesize of output 79 [2022-04-18 17:11:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:11:51,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:12:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:12:02,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:02,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052122141] [2022-04-18 17:12:02,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052122141] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:12:02,255 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-18 17:12:02,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2022-04-18 17:12:02,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939456218] [2022-04-18 17:12:02,255 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-18 17:12:02,255 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-04-18 17:12:02,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:02,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-04-18 17:12:02,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=954, Unknown=0, NotChecked=0, Total=1056 [2022-04-18 17:12:02,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:02,256 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:02,256 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 9.9375) internal successors, (318), 33 states have internal predecessors, (318), 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) [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:05,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-04-18 17:12:05,303 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:05,303 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting writer_fnErr5ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 813141041, now seen corresponding path program 1 times [2022-04-18 17:12:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:05,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958163191] [2022-04-18 17:12:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:05,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:05,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:05,305 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:05,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-04-18 17:12:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:05,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 42 conjunts are in the unsatisfiable core [2022-04-18 17:12:05,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:06,399 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 11 treesize of output 7 [2022-04-18 17:12:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,450 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 21 treesize of output 20 [2022-04-18 17:12:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,463 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 21 treesize of output 20 [2022-04-18 17:12:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:12:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:12:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 17:12:06,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 17:12:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:06,674 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:12:06,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 54 [2022-04-18 17:12:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:12:06,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:12:12,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:12,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:12:17,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:17,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958163191] [2022-04-18 17:12:17,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958163191] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:12:17,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-18 17:12:17,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2022-04-18 17:12:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745509332] [2022-04-18 17:12:17,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-18 17:12:17,431 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-04-18 17:12:17,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:17,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-04-18 17:12:17,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2022-04-18 17:12:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:17,432 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:17,432 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.666666666666666) internal successors, (352), 33 states have internal predecessors, (352), 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) [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:17,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:12:19,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-04-18 17:12:19,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:19,856 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting writer_fnErr5ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:19,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:19,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1975431717, now seen corresponding path program 1 times [2022-04-18 17:12:19,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:19,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877284703] [2022-04-18 17:12:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:19,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:19,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:19,858 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:19,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-04-18 17:12:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:20,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 40 conjunts are in the unsatisfiable core [2022-04-18 17:12:20,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:21,019 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 13 treesize of output 9 [2022-04-18 17:12:21,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,055 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 23 treesize of output 22 [2022-04-18 17:12:21,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,067 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 23 treesize of output 22 [2022-04-18 17:12:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,115 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:12:21,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 17:12:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:12:21,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-04-18 17:12:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:21,210 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:12:21,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2022-04-18 17:12:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:12:21,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:12:21,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:12:24,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:24,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877284703] [2022-04-18 17:12:24,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877284703] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:12:24,238 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-18 17:12:24,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 33 [2022-04-18 17:12:24,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282138870] [2022-04-18 17:12:24,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-18 17:12:24,239 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-04-18 17:12:24,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:24,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-04-18 17:12:24,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1017, Unknown=0, NotChecked=0, Total=1122 [2022-04-18 17:12:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:24,240 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:24,240 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 11.272727272727273) internal successors, (372), 34 states have internal predecessors, (372), 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) [2022-04-18 17:12:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:12:24,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-04-18 17:12:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:27,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-04-18 17:12:27,492 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:27,493 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting writer_fnErr1ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:27,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:27,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1282242224, now seen corresponding path program 1 times [2022-04-18 17:12:27,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:27,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757341250] [2022-04-18 17:12:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:27,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:27,494 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:27,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-04-18 17:12:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:27,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-18 17:12:27,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:27,937 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 11 treesize of output 7 [2022-04-18 17:12:27,949 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-04-18 17:12:27,949 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 1 case distinctions, treesize of input 21 treesize of output 23 [2022-04-18 17:12:27,978 INFO L356 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2022-04-18 17:12:27,978 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 3 case distinctions, treesize of input 31 treesize of output 39 [2022-04-18 17:12:28,027 INFO L356 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2022-04-18 17:12:28,027 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 6 case distinctions, treesize of input 42 treesize of output 56 [2022-04-18 17:12:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-04-18 17:12:28,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:12:28,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:28,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757341250] [2022-04-18 17:12:28,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757341250] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:12:28,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:12:28,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:12:28,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598931295] [2022-04-18 17:12:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:12:28,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:12:28,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:12:28,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:12:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:28,057 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:28,057 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 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) [2022-04-18 17:12:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:28,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:12:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:29,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-04-18 17:12:29,543 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:29,544 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:29,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 832701633, now seen corresponding path program 1 times [2022-04-18 17:12:29,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:29,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708024594] [2022-04-18 17:12:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:29,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:29,546 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:29,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-04-18 17:12:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:29,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-18 17:12:29,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:30,035 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 16 treesize of output 12 [2022-04-18 17:12:30,056 INFO L356 Elim1Store]: treesize reduction 39, result has 27.8 percent of original size [2022-04-18 17:12:30,057 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 1 case distinctions, treesize of input 29 treesize of output 31 [2022-04-18 17:12:30,103 INFO L356 Elim1Store]: treesize reduction 94, result has 24.8 percent of original size [2022-04-18 17:12:30,104 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 3 case distinctions, treesize of input 44 treesize of output 52 [2022-04-18 17:12:30,232 INFO L356 Elim1Store]: treesize reduction 168, result has 21.5 percent of original size [2022-04-18 17:12:30,233 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 6 case distinctions, treesize of input 60 treesize of output 74 [2022-04-18 17:12:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-04-18 17:12:30,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:12:30,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:30,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708024594] [2022-04-18 17:12:30,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708024594] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:12:30,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:12:30,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:12:30,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563089698] [2022-04-18 17:12:30,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:12:30,280 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:12:30,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:12:30,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:12:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:30,280 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:30,280 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 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) [2022-04-18 17:12:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:30,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:31,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-04-18 17:12:31,258 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:31,259 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting writer_fnErr5ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:31,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:31,259 INFO L85 PathProgramCache]: Analyzing trace with hash -189964194, now seen corresponding path program 1 times [2022-04-18 17:12:31,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:31,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071618630] [2022-04-18 17:12:31,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:31,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:31,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:31,261 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:31,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-04-18 17:12:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:31,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-18 17:12:31,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:31,815 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 13 treesize of output 9 [2022-04-18 17:12:31,831 INFO L356 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2022-04-18 17:12:31,832 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 1 case distinctions, treesize of input 23 treesize of output 25 [2022-04-18 17:12:31,865 INFO L356 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2022-04-18 17:12:31,866 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 3 case distinctions, treesize of input 35 treesize of output 43 [2022-04-18 17:12:31,936 INFO L356 Elim1Store]: treesize reduction 105, result has 26.1 percent of original size [2022-04-18 17:12:31,936 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 6 case distinctions, treesize of input 48 treesize of output 62 [2022-04-18 17:12:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-04-18 17:12:31,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:12:31,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-04-18 17:12:31,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071618630] [2022-04-18 17:12:31,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071618630] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:12:31,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:12:31,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:12:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58209566] [2022-04-18 17:12:31,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:12:31,965 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:12:31,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-04-18 17:12:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:12:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:12:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:31,965 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:12:31,965 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 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) [2022-04-18 17:12:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:31,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:12:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:12:33,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-04-18 17:12:34,014 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 [2022-04-18 17:12:34,016 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting writer_fnErr3ASSERT_VIOLATIONDATA_RACE === [writer_fnErr0ASSERT_VIOLATIONDATA_RACE, writer_fnErr2ASSERT_VIOLATIONDATA_RACE, writer_fnErr1ASSERT_VIOLATIONDATA_RACE, writer_fnErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 17:12:34,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:12:34,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2059068529, now seen corresponding path program 1 times [2022-04-18 17:12:34,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-04-18 17:12:34,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390701520] [2022-04-18 17:12:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:12:34,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-04-18 17:12:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2022-04-18 17:12:34,018 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-04-18 17:12:34,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-04-18 17:12:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:12:34,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 102 conjunts are in the unsatisfiable core [2022-04-18 17:12:34,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:12:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:37,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:37,395 INFO L356 Elim1Store]: treesize reduction 39, result has 48.0 percent of original size [2022-04-18 17:12:37,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 67 [2022-04-18 17:12:37,836 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 13 treesize of output 9 [2022-04-18 17:12:38,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:38,064 INFO L356 Elim1Store]: treesize reduction 20, result has 52.4 percent of original size [2022-04-18 17:12:38,064 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 1 case distinctions, treesize of input 26 treesize of output 38 [2022-04-18 17:12:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,225 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 34 treesize of output 33 [2022-04-18 17:12:38,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,491 INFO L356 Elim1Store]: treesize reduction 20, result has 52.4 percent of original size [2022-04-18 17:12:38,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 61 [2022-04-18 17:12:38,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2022-04-18 17:12:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,003 INFO L356 Elim1Store]: treesize reduction 20, result has 52.4 percent of original size [2022-04-18 17:12:39,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 84 [2022-04-18 17:12:39,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 78 [2022-04-18 17:12:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:39,795 INFO L356 Elim1Store]: treesize reduction 20, result has 52.4 percent of original size [2022-04-18 17:12:39,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 106 [2022-04-18 17:12:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:40,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 78 [2022-04-18 17:12:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:41,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:41,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 36 [2022-04-18 17:12:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:12:43,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:43,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-04-18 17:12:43,839 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 16 treesize of output 12 [2022-04-18 17:12:44,244 INFO L356 Elim1Store]: treesize reduction 39, result has 27.8 percent of original size [2022-04-18 17:12:44,244 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 1 case distinctions, treesize of input 29 treesize of output 31 [2022-04-18 17:12:44,525 INFO L356 Elim1Store]: treesize reduction 94, result has 24.8 percent of original size [2022-04-18 17:12:44,525 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 3 case distinctions, treesize of input 44 treesize of output 52 [2022-04-18 17:12:44,845 INFO L356 Elim1Store]: treesize reduction 129, result has 29.9 percent of original size [2022-04-18 17:12:44,845 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 6 case distinctions, treesize of input 55 treesize of output 78 [2022-04-18 17:12:45,154 INFO L356 Elim1Store]: treesize reduction 168, result has 21.5 percent of original size [2022-04-18 17:12:45,154 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 6 case distinctions, treesize of input 60 treesize of output 74 [2022-04-18 17:12:45,470 INFO L356 Elim1Store]: treesize reduction 228, result has 23.2 percent of original size [2022-04-18 17:12:45,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 102 [2022-04-18 17:12:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:12:45,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:12:50,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:12:50,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:15:38,219 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-04-18 17:15:38,220 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 2017 treesize of output 1853 [2022-04-18 17:16:49,886 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-04-18 17:16:49,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 126 treesize of output 108 [2022-04-18 17:16:50,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:16:50,678 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-04-18 17:16:50,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 47 [2022-04-18 17:16:50,867 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:16:55,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:16:55,356 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-04-18 17:16:55,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 14 [2022-04-18 17:16:55,481 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:16:56,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:16:56,525 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-04-18 17:16:56,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 94 [2022-04-18 17:16:59,875 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:17:00,040 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:17:00,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:17:00,205 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:17:00,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2022-04-18 17:17:01,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:17:01,572 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:17:01,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2022-04-18 17:17:18,625 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:17:18,754 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-04-18 17:17:23,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:17:23,400 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-04-18 17:17:23,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 61 [2022-04-18 17:17:30,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:17:30,662 INFO L356 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-04-18 17:17:30,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 163 treesize of output 153 [2022-04-18 17:17:52,688 INFO L356 Elim1Store]: treesize reduction 22, result has 67.2 percent of original size [2022-04-18 17:17:52,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1715 treesize of output 1379 Killed by 15