./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-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_1w1r-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 b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:05:44,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:05:44,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:05:44,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:05:44,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:05:44,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:05:44,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:05:44,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:05:44,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:05:44,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:05:44,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:05:44,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:05:44,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:05:44,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:05:44,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:05:44,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:05:44,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:05:44,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:05:44,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:05:44,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:05:44,464 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:05:44,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:05:44,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:05:44,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:05:44,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:05:44,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:05:44,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:05:44,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:05:44,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:05:44,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:05:44,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:05:44,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:05:44,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:05:44,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:05:44,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:05:44,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:05:44,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:05:44,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:05:44,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:05:44,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:05:44,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:05:44,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:05:44,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:05:44,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:05:44,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:05:44,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:05:44,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:05:44,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:05:44,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:05:44,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:05:44,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:05:44,501 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:05:44,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:05:44,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:05:44,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:05:44,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:05:44,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:05:44,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:05:44,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:05:44,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:05:44,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:05:44,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:05:44,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:05:44,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:05:44,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:05:44,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:05:44,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:05:44,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:05:44,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:05:44,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:05:44,507 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:05:44,507 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:05:44,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b [2022-04-18 17:05:44,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:05:44,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:05:44,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:05:44,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:05:44,696 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:05:44,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2022-04-18 17:05:44,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/072c300c4/bf8637340e5e4e99a0501103a6dbb408/FLAG3b5672633 [2022-04-18 17:05:45,158 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:05:45,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2022-04-18 17:05:45,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/072c300c4/bf8637340e5e4e99a0501103a6dbb408/FLAG3b5672633 [2022-04-18 17:05:45,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/072c300c4/bf8637340e5e4e99a0501103a6dbb408 [2022-04-18 17:05:45,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:05:45,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:05:45,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:05:45,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:05:45,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:05:45,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe11bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45, skipping insertion in model container [2022-04-18 17:05:45,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:05:45,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:05:45,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:05:45,587 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_1w1r-2.i[39095,39108] [2022-04-18 17:05:45,589 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_1w1r-2.i[39180,39193] [2022-04-18 17:05:45,590 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_1w1r-2.i[39232,39245] [2022-04-18 17:05:45,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:05:45,600 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:05:45,612 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 17:05:45,647 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_1w1r-2.i[39095,39108] [2022-04-18 17:05:45,651 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_1w1r-2.i[39180,39193] [2022-04-18 17:05:45,652 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_1w1r-2.i[39232,39245] [2022-04-18 17:05:45,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:05:45,689 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:05:45,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45 WrapperNode [2022-04-18 17:05:45,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:05:45,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:05:45,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:05:45,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:05:45,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,760 INFO L137 Inliner]: procedures = 224, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2022-04-18 17:05:45,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:05:45,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:05:45,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:05:45,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:05:45,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:05:45,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:05:45,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:05:45,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:05:45,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (1/1) ... [2022-04-18 17:05:45,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:05:45,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:05:45,846 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 17:05:45,849 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 17:05:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2022-04-18 17:05:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2022-04-18 17:05:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:05:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:05:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 17:05:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 17:05:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:05:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 17:05:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:05:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:05:45,877 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 17:05:45,998 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:05:46,000 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:05:46,341 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:05:46,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:05:46,354 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 17:05:46,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:05:46 BoogieIcfgContainer [2022-04-18 17:05:46,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:05:46,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:05:46,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:05:46,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:05:46,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:05:45" (1/3) ... [2022-04-18 17:05:46,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17688464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:05:46, skipping insertion in model container [2022-04-18 17:05:46,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:05:45" (2/3) ... [2022-04-18 17:05:46,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17688464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:05:46, skipping insertion in model container [2022-04-18 17:05:46,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:05:46" (3/3) ... [2022-04-18 17:05:46,365 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2022-04-18 17:05:46,370 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:05:46,371 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:05:46,371 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-04-18 17:05:46,371 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 17:05:46,431 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 17:05:46,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:05:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:05:46,471 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 17:05:46,495 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 17:05:46,499 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_fnThread1of1ForFork0 ======== [2022-04-18 17:05:46,506 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 17:05:46,506 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:05:46,703 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting reader_fnErr6ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:46,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:46,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1977731259, now seen corresponding path program 1 times [2022-04-18 17:05:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:46,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920099319] [2022-04-18 17:05:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:46,893 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 17:05:46,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:46,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920099319] [2022-04-18 17:05:46,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920099319] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:05:46,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:05:46,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:05:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414632687] [2022-04-18 17:05:46,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:05:46,902 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:05:46,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:46,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:05:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:05:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:46,927 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:46,928 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 17:05:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,028 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 17:05:47,029 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:47,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:47,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2030297434, now seen corresponding path program 1 times [2022-04-18 17:05:47,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:47,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489103804] [2022-04-18 17:05:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:47,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:47,149 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 17:05:47,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:47,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489103804] [2022-04-18 17:05:47,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489103804] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:05:47,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:05:47,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:05:47,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010487036] [2022-04-18 17:05:47,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:05:47,151 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:05:47,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:47,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:05:47,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:05:47,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:47,152 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:47,152 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 17:05:47,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:47,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,260 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 17:05:47,261 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:47,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1478929288, now seen corresponding path program 1 times [2022-04-18 17:05:47,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:47,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342834624] [2022-04-18 17:05:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:47,815 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 17:05:47,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:47,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342834624] [2022-04-18 17:05:47,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342834624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:05:47,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:05:47,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-18 17:05:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552922802] [2022-04-18 17:05:47,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:05:47,832 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-18 17:05:47,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:47,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-18 17:05:47,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-04-18 17:05:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:47,833 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:47,833 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.764705882352941) internal successors, (81), 18 states have internal predecessors, (81), 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 17:05:47,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:47,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:48,471 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 17:05:48,471 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:48,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1531689506, now seen corresponding path program 1 times [2022-04-18 17:05:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:48,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048051860] [2022-04-18 17:05:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:48,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:48,829 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 17:05:48,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:48,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048051860] [2022-04-18 17:05:48,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048051860] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:05:48,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:05:48,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-18 17:05:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146144091] [2022-04-18 17:05:48,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:05:48,830 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-18 17:05:48,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:48,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-18 17:05:48,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-04-18 17:05:48,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:48,831 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:48,831 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 17 states have internal predecessors, (91), 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 17:05:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:05:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:49,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 17:05:49,579 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:49,580 INFO L85 PathProgramCache]: Analyzing trace with hash 661781208, now seen corresponding path program 1 times [2022-04-18 17:05:49,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:49,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933214116] [2022-04-18 17:05:49,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:49,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:05:49,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:49,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933214116] [2022-04-18 17:05:49,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933214116] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:05:49,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:05:49,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-18 17:05:49,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244416325] [2022-04-18 17:05:49,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:05:49,651 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:05:49,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:49,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:05:49,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:05:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:49,652 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:49,652 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:05:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:05:49,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:49,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:05:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:05:49,848 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 17:05:49,849 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:05:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:05:49,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1264134113, now seen corresponding path program 1 times [2022-04-18 17:05:49,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:05:49,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951949369] [2022-04-18 17:05:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:49,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:05:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:51,346 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 17:05:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:05:51,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951949369] [2022-04-18 17:05:51,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951949369] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:05:51,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853930448] [2022-04-18 17:05:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:05:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:05:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:05:51,349 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 17:05:51,356 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 17:05:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:05:51,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 102 conjunts are in the unsatisfiable core [2022-04-18 17:05:51,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:05:51,590 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 17:05:51,630 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:05:51,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:05:51,712 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 17:05:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:51,815 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 21 treesize of output 20 [2022-04-18 17:05:51,928 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 17:05:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:53,171 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 26 treesize of output 10 [2022-04-18 17:05:53,357 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 17:05:53,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,407 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 24 treesize of output 23 [2022-04-18 17:05:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,421 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 17:05:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,488 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 33 treesize of output 35 [2022-04-18 17:05:53,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,508 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 17:05:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,589 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 42 treesize of output 47 [2022-04-18 17:05:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,630 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 17:05:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:05:53,718 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:05:53,718 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 51 treesize of output 59 [2022-04-18 17:05:53,726 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 17:05:53,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:05:56,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:56,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:05:58,199 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_414 (Array Int Int))) (not (<= (+ 1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_414) |c_ULTIMATE.start_main_~#r~2#1.base|) (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) 0))) is different from false [2022-04-18 17:05:58,229 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_414 (Array Int Int))) (not (<= (+ (select (select (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_414) |c_ULTIMATE.start_main_~#r~2#1.base|) (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20)) 1) 0))) is different from false [2022-04-18 17:05:58,257 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-04-18 17:05:58,257 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 28 treesize of output 34 [2022-04-18 17:05:58,276 INFO L356 Elim1Store]: treesize reduction 14, result has 64.1 percent of original size [2022-04-18 17:05:58,277 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 51 treesize of output 59 [2022-04-18 17:05:58,280 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 26 treesize of output 22 [2022-04-18 17:05:58,534 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 17:05:58,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853930448] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:05:58,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:05:58,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 24] total 74 [2022-04-18 17:05:58,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549904324] [2022-04-18 17:05:58,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:05:58,535 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-04-18 17:05:58,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:05:58,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-04-18 17:05:58,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=4953, Unknown=2, NotChecked=286, Total=5550 [2022-04-18 17:05:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:05:58,538 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:05:58,538 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 74 states have (on average 4.702702702702703) internal successors, (348), 75 states have internal predecessors, (348), 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 17:05:58,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:58,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:05:58,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:05:58,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:05:58,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:05:58,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:02,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:02,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-18 17:06:02,414 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,SelfDestructingSolverStorable5 [2022-04-18 17:06:02,415 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1937807257, now seen corresponding path program 1 times [2022-04-18 17:06:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578505864] [2022-04-18 17:06:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-04-18 17:06:02,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:02,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578505864] [2022-04-18 17:06:02,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578505864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:06:02,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:06:02,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:06:02,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355149355] [2022-04-18 17:06:02,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:06:02,549 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:06:02,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:02,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:06:02,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:06:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:02,549 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:02,550 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:02,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,816 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 17:06:02,817 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting reader_fnErr2ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:02,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1522515960, now seen corresponding path program 1 times [2022-04-18 17:06:02,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:02,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982272183] [2022-04-18 17:06:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:02,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:02,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982272183] [2022-04-18 17:06:02,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982272183] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:06:02,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:06:02,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:06:02,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248529877] [2022-04-18 17:06:02,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:06:02,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:06:02,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:02,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:06:02,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:06:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:02,921 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:02,921 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 17:06:02,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:02,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:02,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:02,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,173 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 17:06:03,174 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting reader_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash -624525860, now seen corresponding path program 1 times [2022-04-18 17:06:03,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:03,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721287365] [2022-04-18 17:06:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:03,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:03,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721287365] [2022-04-18 17:06:03,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721287365] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:06:03,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:06:03,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:06:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420814052] [2022-04-18 17:06:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:06:03,286 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:06:03,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:03,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:06:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:06:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:03,289 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:03,289 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 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 17:06:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,736 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 17:06:03,736 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting reader_fnErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:03,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:03,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1348418971, now seen corresponding path program 1 times [2022-04-18 17:06:03,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:03,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185947708] [2022-04-18 17:06:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:03,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:03,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185947708] [2022-04-18 17:06:03,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185947708] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:06:03,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:06:03,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:06:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997254732] [2022-04-18 17:06:03,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:06:03,832 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:06:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:03,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:06:03,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:06:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:03,834 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:03,834 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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 17:06:03,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,234 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 17:06:04,234 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting reader_fnErr6ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:04,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1478565375, now seen corresponding path program 1 times [2022-04-18 17:06:04,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:04,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715413505] [2022-04-18 17:06:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:04,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:04,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:04,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715413505] [2022-04-18 17:06:04,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715413505] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:06:04,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518742981] [2022-04-18 17:06:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:04,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:04,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:06:04,336 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 17:06:04,337 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 17:06:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:04,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:06:04,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:06:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:04,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:06:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:04,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518742981] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:06:04,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:06:04,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2022-04-18 17:06:04,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862853131] [2022-04-18 17:06:04,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:06:04,953 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 17:06:04,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:04,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 17:06:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:06:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:04,954 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:04,954 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 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 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:04,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:05,463 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 17:06:05,655 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:05,655 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting reader_fnErr6ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:05,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:05,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1433150155, now seen corresponding path program 2 times [2022-04-18 17:06:05,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:05,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787066842] [2022-04-18 17:06:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:05,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 271 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-18 17:06:05,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:05,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787066842] [2022-04-18 17:06:05,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787066842] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:06:05,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992585001] [2022-04-18 17:06:05,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:06:05,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:05,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:06:05,908 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 17:06:05,927 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 17:06:06,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-18 17:06:06,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:06:06,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 17 conjunts are in the unsatisfiable core [2022-04-18 17:06:06,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:06:06,416 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 17:06:06,429 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-04-18 17:06:06,429 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 20 [2022-04-18 17:06:06,453 INFO L356 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-04-18 17:06:06,454 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 30 treesize of output 32 [2022-04-18 17:06:06,485 INFO L356 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-04-18 17:06:06,485 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 39 treesize of output 44 [2022-04-18 17:06:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-04-18 17:06:06,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:06:06,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992585001] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:06:06,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:06:06,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2022-04-18 17:06:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3392232] [2022-04-18 17:06:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:06:06,504 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 17:06:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 17:06:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-04-18 17:06:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:06,505 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:06,505 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.2) internal successors, (181), 6 states have internal predecessors, (181), 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 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:06,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:06,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:06,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:06,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:06,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:08,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:08,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-18 17:06:09,108 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:09,109 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting reader_fnErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash -435838785, now seen corresponding path program 1 times [2022-04-18 17:06:09,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:09,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855264278] [2022-04-18 17:06:09,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:09,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-04-18 17:06:09,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:09,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855264278] [2022-04-18 17:06:09,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855264278] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:06:09,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85189162] [2022-04-18 17:06:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:09,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:06:09,212 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 17:06:09,255 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 17:06:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:09,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-18 17:06:09,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:06:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-04-18 17:06:09,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:06:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-04-18 17:06:10,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85189162] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:06:10,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:06:10,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-04-18 17:06:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645653545] [2022-04-18 17:06:10,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:06:10,025 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 17:06:10,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 17:06:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-04-18 17:06:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:10,040 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:10,041 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.857142857142854) internal successors, (370), 7 states have internal predecessors, (370), 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 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:10,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:10,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 17:06:12,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-18 17:06:13,175 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,SelfDestructingSolverStorable12 [2022-04-18 17:06:13,175 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:13,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:13,176 INFO L85 PathProgramCache]: Analyzing trace with hash -264229370, now seen corresponding path program 1 times [2022-04-18 17:06:13,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:13,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018414806] [2022-04-18 17:06:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-04-18 17:06:13,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:13,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018414806] [2022-04-18 17:06:13,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018414806] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:06:13,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075068832] [2022-04-18 17:06:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:13,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:13,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:06:13,831 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 17:06:13,832 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 17:06:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:14,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 123 conjunts are in the unsatisfiable core [2022-04-18 17:06:14,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:06:14,204 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 17:06:14,233 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:06:14,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:06:14,301 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 17:06:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:14,385 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 21 treesize of output 20 [2022-04-18 17:06:14,507 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 17:06:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:15,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:15,933 INFO L356 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-04-18 17:06:15,934 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 38 [2022-04-18 17:06:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:16,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:16,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 69 [2022-04-18 17:06:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-04-18 17:06:17,274 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 17:06:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,312 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 17:06:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,326 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 17:06:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,370 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 17:06:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 17:06:17,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,441 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 17:06:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,470 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 17:06:17,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:17,532 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:06:17,532 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 62 treesize of output 70 [2022-04-18 17:06:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 10 proven. 151 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 17:06:17,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:06:20,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:20,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 3 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:06:28,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075068832] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:06:28,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:06:28,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 34, 24] total 73 [2022-04-18 17:06:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637397080] [2022-04-18 17:06:28,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:06:28,933 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-04-18 17:06:28,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:06:28,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-04-18 17:06:28,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=4915, Unknown=0, NotChecked=0, Total=5256 [2022-04-18 17:06:28,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:28,934 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:06:28,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.917808219178083) internal successors, (651), 73 states have internal predecessors, (651), 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 17:06:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:28,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-04-18 17:06:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:06:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:06:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:06:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 17:06:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:06:38,698 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 17:06:38,893 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 17:06:38,893 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:06:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:06:38,894 INFO L85 PathProgramCache]: Analyzing trace with hash -264229339, now seen corresponding path program 1 times [2022-04-18 17:06:38,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:06:38,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336027454] [2022-04-18 17:06:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:38,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:06:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-04-18 17:06:39,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:06:39,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336027454] [2022-04-18 17:06:39,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336027454] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:06:39,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287709680] [2022-04-18 17:06:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:06:39,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:06:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:06:39,471 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 17:06:39,471 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 17:06:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:06:39,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 116 conjunts are in the unsatisfiable core [2022-04-18 17:06:39,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:06:39,771 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 17:06:39,793 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:06:39,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:06:39,878 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 17:06:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:39,963 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 21 treesize of output 20 [2022-04-18 17:06:40,070 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 17:06:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:41,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:41,192 INFO L356 Elim1Store]: treesize reduction 49, result has 34.7 percent of original size [2022-04-18 17:06:41,192 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 42 treesize of output 47 [2022-04-18 17:06:41,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2022-04-18 17:06:41,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2022-04-18 17:06:42,060 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 17:06:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,089 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 17:06:42,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,098 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 17:06:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,136 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 17:06:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,148 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 17:06:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,189 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:06:42,189 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 43 treesize of output 48 [2022-04-18 17:06:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:06:42,229 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:06:42,229 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 17:06:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 1 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:06:42,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:06:43,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:43,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:43,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:06:43,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:07:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:07:11,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287709680] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:07:11,502 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:07:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 33, 23] total 72 [2022-04-18 17:07:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186457345] [2022-04-18 17:07:11,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:07:11,503 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-04-18 17:07:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:07:11,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-04-18 17:07:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=4898, Unknown=5, NotChecked=0, Total=5256 [2022-04-18 17:07:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:07:11,505 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:07:11,505 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 72 states have (on average 9.083333333333334) internal successors, (654), 73 states have internal predecessors, (654), 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 17:07:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:07:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-04-18 17:07:11,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:09:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:09:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:09:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-04-18 17:09:04,227 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 17:09:04,427 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 17:09:04,429 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:09:04,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:04,430 INFO L85 PathProgramCache]: Analyzing trace with hash -751458707, now seen corresponding path program 1 times [2022-04-18 17:09:04,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:04,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208861803] [2022-04-18 17:09:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-04-18 17:09:04,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:04,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208861803] [2022-04-18 17:09:04,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208861803] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:09:04,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174945635] [2022-04-18 17:09:04,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:04,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:09:04,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:09:04,966 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 17:09:04,967 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 17:09:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:05,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 74 conjunts are in the unsatisfiable core [2022-04-18 17:09:05,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:09:07,174 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 17:09:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,203 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 17:09:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,253 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 17:09:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,266 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 17:09:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,312 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 17:09:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,327 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 17:09:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:07,366 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:09:07,367 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 17:09:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 4 proven. 347 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-04-18 17:09:07,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:09:08,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:08,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-04-18 17:09:15,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174945635] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:09:15,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:09:15,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 16] total 45 [2022-04-18 17:09:15,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849666934] [2022-04-18 17:09:15,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:09:15,065 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-04-18 17:09:15,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:15,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-04-18 17:09:15,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1871, Unknown=0, NotChecked=0, Total=2070 [2022-04-18 17:09:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:15,066 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:15,067 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 13.577777777777778) internal successors, (611), 46 states have internal predecessors, (611), 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 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-04-18 17:09:15,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-04-18 17:09:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:26,880 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 17:09:27,078 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 17:09:27,078 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:09:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:27,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1889019698, now seen corresponding path program 2 times [2022-04-18 17:09:27,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:27,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25134908] [2022-04-18 17:09:27,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:27,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:09:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 605 proven. 82 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-04-18 17:09:29,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:09:29,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25134908] [2022-04-18 17:09:29,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25134908] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:09:29,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049360200] [2022-04-18 17:09:29,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:09:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:09:29,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:09:29,288 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 17:09:29,289 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 17:09:30,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:09:30,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:09:30,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 134 conjunts are in the unsatisfiable core [2022-04-18 17:09:30,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:09:30,128 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 17:09:30,138 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:09:30,140 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:09:30,186 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 17:09:30,259 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 19 treesize of output 18 [2022-04-18 17:09:30,359 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 21 [2022-04-18 17:09:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:31,915 INFO L356 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-04-18 17:09:31,915 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 38 [2022-04-18 17:09:32,349 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 0 case distinctions, treesize of input 34 treesize of output 25 [2022-04-18 17:09:32,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:09:32,857 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:09:32,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 19 [2022-04-18 17:09:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 603 proven. 84 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-04-18 17:09:33,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:09:40,878 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4034 (Array Int Int))) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (let ((.cse10 (+ (select .cse11 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20)) 1))) (or (and (forall ((v_ArrVal_4036 Int)) (let ((.cse3 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse2 (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* 4 (select .cse4 .cse3)) 4) v_ArrVal_4036)))) (let ((.cse0 (+ (select .cse2 .cse3) 1))) (let ((.cse1 (mod .cse0 4))) (or (not (< .cse0 0)) (= .cse1 0) (not (= .cse1 (+ (select .cse2 |c_ULTIMATE.start_main_~#r~2#1.offset|) 4))))))))) (forall ((v_ArrVal_4036 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse7 (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse9 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* 4 (select .cse9 .cse8)) 4) v_ArrVal_4036)))) (let ((.cse6 (+ (select .cse7 .cse8) 1))) (let ((.cse5 (mod .cse6 4))) (or (and (not (= .cse5 0)) (< .cse6 0)) (not (= .cse5 (select .cse7 |c_ULTIMATE.start_main_~#r~2#1.offset|)))))))))) (< .cse10 0) (= (select .cse11 |c_ULTIMATE.start_main_~#r~2#1.offset|) (mod .cse10 4)))))) is different from false [2022-04-18 17:09:42,889 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4034 (Array Int Int))) (let ((.cse11 (select (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_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (let ((.cse10 (+ (select .cse11 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20)) 1))) (or (and (forall ((v_ArrVal_4036 Int)) (let ((.cse3 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse2 (let ((.cse4 (select (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_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse4 .cse3) 4) 4) v_ArrVal_4036)))) (let ((.cse0 (+ 1 (select .cse2 .cse3)))) (let ((.cse1 (mod .cse0 4))) (or (not (< .cse0 0)) (not (= .cse1 (+ (select .cse2 |c_ULTIMATE.start_main_~#r~2#1.offset|) 4))) (= .cse1 0))))))) (forall ((v_ArrVal_4036 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse5 (let ((.cse9 (select (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_4034) |c_ULTIMATE.start_main_~#r~2#1.base|))) (store .cse9 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* (select .cse9 .cse8) 4) 4) v_ArrVal_4036)))) (let ((.cse7 (+ 1 (select .cse5 .cse8)))) (let ((.cse6 (mod .cse7 4))) (or (not (= (select .cse5 |c_ULTIMATE.start_main_~#r~2#1.offset|) .cse6)) (and (not (= .cse6 0)) (< .cse7 0))))))))) (< .cse10 0) (= (mod .cse10 4) (select .cse11 |c_ULTIMATE.start_main_~#r~2#1.offset|)))))) is different from false [2022-04-18 17:09:43,918 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-04-18 17:09:43,918 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 537 treesize of output 308 [2022-04-18 17:09:43,932 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:09:43,932 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 517 treesize of output 483 [2022-04-18 17:09:43,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:09:43,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 729 treesize of output 599 [2022-04-18 17:09:47,167 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-04-18 17:09:47,168 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 15 treesize of output 9 [2022-04-18 17:09:47,236 INFO L356 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2022-04-18 17:09:47,237 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 446 treesize of output 382 [2022-04-18 17:09:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 599 proven. 88 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-04-18 17:09:48,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049360200] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:09:48,011 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:09:48,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 35, 30] total 86 [2022-04-18 17:09:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22545201] [2022-04-18 17:09:48,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:09:48,014 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-04-18 17:09:48,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:09:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-04-18 17:09:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=6553, Unknown=2, NotChecked=330, Total=7310 [2022-04-18 17:09:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:48,016 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:09:48,016 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.151162790697675) internal successors, (615), 86 states have internal predecessors, (615), 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 17:09:48,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-04-18 17:09:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:09:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:09:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:09:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:09:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:09:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-04-18 17:09:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:09:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:09:57,832 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 17:09:58,031 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 17:09:58,031 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting reader_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:09:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:09:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1015752760, now seen corresponding path program 1 times [2022-04-18 17:09:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:09:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786115243] [2022-04-18 17:09:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:09:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:09:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 4 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:00,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:10:00,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786115243] [2022-04-18 17:10:00,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786115243] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:00,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969210614] [2022-04-18 17:10:00,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:10:00,323 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:10:00,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-18 17:10:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:00,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 154 conjunts are in the unsatisfiable core [2022-04-18 17:10:00,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:10:00,717 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 17:10:00,726 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:10:00,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:10:00,775 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 17:10:00,840 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 19 treesize of output 18 [2022-04-18 17:10:00,934 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 21 [2022-04-18 17:10:02,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:02,846 INFO L356 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2022-04-18 17:10:02,846 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 38 [2022-04-18 17:10:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:03,647 INFO L356 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2022-04-18 17:10:03,647 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 48 [2022-04-18 17:10:04,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:04,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:04,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2022-04-18 17:10:05,056 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 17:10:05,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,124 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 17:10:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,147 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 17:10:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,222 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 17:10:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,251 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 17:10:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,336 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 17:10:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,364 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 17:10:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:05,472 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:10:05,473 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 64 treesize of output 72 [2022-04-18 17:10:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:05,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:10:10,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:10,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:20,254 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4397 (Array Int Int))) (let ((.cse8 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#reader~0#1.base| v_ArrVal_4397) |c_ULTIMATE.start_main_~#r~2#1.base|)) (.cse7 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse9 (select .cse8 .cse7))) (let ((.cse10 (+ .cse9 1))) (let ((.cse2 (< .cse10 0)) (.cse1 (mod .cse10 4)) (.cse0 (select .cse8 |c_ULTIMATE.start_main_~#r~2#1.offset|))) (or (and (= (+ .cse0 4) .cse1) .cse2) (let ((.cse6 (store .cse8 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* .cse9 4) 4) 1))) (let ((.cse5 (+ (select .cse6 .cse7) 1))) (let ((.cse3 (select .cse6 |c_ULTIMATE.start_main_~#r~2#1.offset|)) (.cse4 (mod .cse5 4))) (and (< .cse3 .cse4) (or (not (< .cse5 0)) (< (+ .cse3 4) .cse4) (= .cse4 0)))))) (and (or (= .cse1 0) (not .cse2)) (= .cse1 .cse0)))))))) is different from false [2022-04-18 17:10:22,521 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4397 (Array Int Int))) (let ((.cse5 (select (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_4397) |c_ULTIMATE.start_main_~#r~2#1.base|)) (.cse4 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| 20))) (let ((.cse6 (select .cse5 .cse4))) (let ((.cse10 (+ .cse6 1))) (let ((.cse7 (select .cse5 |c_ULTIMATE.start_main_~#r~2#1.offset|)) (.cse8 (mod .cse10 4)) (.cse9 (< .cse10 0))) (or (let ((.cse3 (store .cse5 (+ |c_ULTIMATE.start_main_~#r~2#1.offset| (* .cse6 4) 4) 1))) (let ((.cse2 (+ (select .cse3 .cse4) 1))) (let ((.cse0 (select .cse3 |c_ULTIMATE.start_main_~#r~2#1.offset|)) (.cse1 (mod .cse2 4))) (and (< .cse0 .cse1) (or (not (< .cse2 0)) (= .cse1 0) (< (+ .cse0 4) .cse1)))))) (and (= .cse7 .cse8) (or (= 0 .cse8) (not .cse9))) (and (= (+ 4 .cse7) .cse8) .cse9))))))) is different from false [2022-04-18 17:10:23,514 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-04-18 17:10:23,515 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 527 treesize of output 298 [2022-04-18 17:10:23,524 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:10:23,524 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 507 treesize of output 473 [2022-04-18 17:10:23,533 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-04-18 17:10:23,534 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 576 treesize of output 476 [2022-04-18 17:10:23,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:23,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-04-18 17:10:24,494 INFO L356 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2022-04-18 17:10:24,495 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 286 treesize of output 236 [2022-04-18 17:10:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:10:25,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969210614] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:10:25,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:10:25,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 36] total 108 [2022-04-18 17:10:25,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969745254] [2022-04-18 17:10:25,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:10:25,376 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2022-04-18 17:10:25,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:10:25,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2022-04-18 17:10:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=665, Invalid=10683, Unknown=2, NotChecked=422, Total=11772 [2022-04-18 17:10:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:25,379 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:10:25,379 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 108 states have (on average 5.9907407407407405) internal successors, (647), 109 states have internal predecessors, (647), 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 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:10:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-04-18 17:10:25,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:10:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-04-18 17:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:10:52,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-04-18 17:10:52,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-04-18 17:10:52,720 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting reader_fnErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:10:52,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:10:52,721 INFO L85 PathProgramCache]: Analyzing trace with hash 147780711, now seen corresponding path program 1 times [2022-04-18 17:10:52,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:10:52,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993880016] [2022-04-18 17:10:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:52,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:10:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-04-18 17:10:53,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:10:53,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993880016] [2022-04-18 17:10:53,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993880016] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:10:53,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251996406] [2022-04-18 17:10:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:10:53,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:10:53,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:10:53,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:10:53,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-18 17:10:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:10:53,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 69 conjunts are in the unsatisfiable core [2022-04-18 17:10:53,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:10:54,812 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 17:10:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,836 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 17:10:54,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,848 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 17:10:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,873 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 17:10:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,887 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 17:10:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,922 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:10:54,923 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 37 treesize of output 42 [2022-04-18 17:10:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:10:54,959 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 17:10:54,959 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 17:10:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-04-18 17:10:54,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:10:55,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:55,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:55,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:55,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:10:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-04-18 17:10:58,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251996406] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:10:58,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:10:58,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 16] total 34 [2022-04-18 17:10:58,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142873122] [2022-04-18 17:10:58,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:10:58,828 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-04-18 17:10:58,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:10:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-04-18 17:10:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2022-04-18 17:10:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:10:58,829 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:10:58,829 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 13.588235294117647) internal successors, (462), 35 states have internal predecessors, (462), 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 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-04-18 17:10:58,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:10:58,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-04-18 17:11:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-04-18 17:11:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-04-18 17:11:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-04-18 17:11:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-18 17:11:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 17:11:00,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-04-18 17:11:00,403 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:11:00,404 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-04-18 17:11:00,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:11:00,404 INFO L85 PathProgramCache]: Analyzing trace with hash -804300184, now seen corresponding path program 1 times [2022-04-18 17:11:00,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:11:00,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741075085] [2022-04-18 17:11:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:00,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:11:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 375 proven. 374 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-18 17:11:03,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:11:03,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741075085] [2022-04-18 17:11:03,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741075085] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:11:03,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388461417] [2022-04-18 17:11:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:11:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:11:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:11:03,683 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:11:03,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-18 17:11:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:11:04,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 220 conjunts are in the unsatisfiable core [2022-04-18 17:11:04,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:11:04,210 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 17:11:04,220 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 17:11:04,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 17:11:04,315 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-04-18 17:11:04,396 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 14 treesize of output 16 [2022-04-18 17:11:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:07,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:11:07,150 INFO L356 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-04-18 17:11:07,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 44 [2022-04-18 17:11:08,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:08,357 INFO L356 Elim1Store]: treesize reduction 22, result has 52.2 percent of original size [2022-04-18 17:11:08,357 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 73 [2022-04-18 17:11:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:20,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:11:20,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:11:20,093 INFO L356 Elim1Store]: treesize reduction 88, result has 30.2 percent of original size [2022-04-18 17:11:20,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 97 treesize of output 80 [2022-04-18 17:11:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:29,295 INFO L356 Elim1Store]: treesize reduction 141, result has 29.5 percent of original size [2022-04-18 17:11:29,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 124 treesize of output 124 [2022-04-18 17:11:32,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:32,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:32,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:11:32,406 INFO L356 Elim1Store]: treesize reduction 115, result has 26.8 percent of original size [2022-04-18 17:11:32,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 135 treesize of output 134 [2022-04-18 17:16:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:16:31,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:16:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:16:31,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:16:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 17:16:31,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-18 17:16:31,968 INFO L356 Elim1Store]: treesize reduction 225, result has 44.6 percent of original size [2022-04-18 17:16:31,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 154 treesize of output 269 Killed by 15