./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.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-lit/qw2004_variant.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 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:27:09,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:27:09,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:27:09,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:27:09,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:27:09,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:27:09,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:27:09,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:27:09,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:27:09,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:27:09,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:27:09,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:27:09,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:27:09,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:27:09,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:27:09,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:27:09,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:27:09,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:27:09,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:27:09,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:27:09,211 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:27:09,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:27:09,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:27:09,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:27:09,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:27:09,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:27:09,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:27:09,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:27:09,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:27:09,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:27:09,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:27:09,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:27:09,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:27:09,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:27:09,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:27:09,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:27:09,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:27:09,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:27:09,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:27:09,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:27:09,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:27:09,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:27:09,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:27:09,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:27:09,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:27:09,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:27:09,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:27:09,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:27:09,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:27:09,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:27:09,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:27:09,263 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:27:09,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:27:09,264 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:27:09,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:27:09,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:27:09,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:27:09,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:27:09,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:27:09,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:27:09,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:27:09,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:27:09,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:27:09,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:27:09,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:27:09,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:27:09,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:27:09,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:27:09,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:27:09,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:27:09,269 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:27:09,270 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:27:09,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 [2022-04-18 17:27:09,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:27:09,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:27:09,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:27:09,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:27:09,498 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:27:09,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i [2022-04-18 17:27:09,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e44acefd4/cc9523663289440dad75031d9f7d28d4/FLAG55ec32e5f [2022-04-18 17:27:09,996 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:27:09,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004_variant.i [2022-04-18 17:27:10,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e44acefd4/cc9523663289440dad75031d9f7d28d4/FLAG55ec32e5f [2022-04-18 17:27:10,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e44acefd4/cc9523663289440dad75031d9f7d28d4 [2022-04-18 17:27:10,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:27:10,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:27:10,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:27:10,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:27:10,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:27:10,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d6aaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10, skipping insertion in model container [2022-04-18 17:27:10,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:27:10,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:27:10,632 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-lit/qw2004_variant.i[30003,30016] [2022-04-18 17:27:10,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:27:10,666 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:27:10,717 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-lit/qw2004_variant.i[30003,30016] [2022-04-18 17:27:10,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:27:10,770 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:27:10,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10 WrapperNode [2022-04-18 17:27:10,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:27:10,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:27:10,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:27:10,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:27:10,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,827 INFO L137 Inliner]: procedures = 174, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 155 [2022-04-18 17:27:10,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:27:10,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:27:10,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:27:10,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:27:10,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:27:10,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:27:10,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:27:10,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:27:10,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (1/1) ... [2022-04-18 17:27:10,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:27:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:10,892 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 17:27:10,894 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 17:27:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-04-18 17:27:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-04-18 17:27:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 17:27:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 17:27:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:27:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:27:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2022-04-18 17:27:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2022-04-18 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 17:27:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:27:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:27:10,933 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 17:27:11,022 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:27:11,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:27:11,261 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:27:11,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:27:11,331 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-18 17:27:11,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:27:11 BoogieIcfgContainer [2022-04-18 17:27:11,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:27:11,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:27:11,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:27:11,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:27:11,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:27:10" (1/3) ... [2022-04-18 17:27:11,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f966f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:27:11, skipping insertion in model container [2022-04-18 17:27:11,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:27:10" (2/3) ... [2022-04-18 17:27:11,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f966f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:27:11, skipping insertion in model container [2022-04-18 17:27:11,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:27:11" (3/3) ... [2022-04-18 17:27:11,340 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2022-04-18 17:27:11,344 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:27:11,344 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:27:11,344 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-04-18 17:27:11,345 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 17:27:11,425 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 17:27:11,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:27:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:11,468 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 17:27:11,477 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 17:27:11,502 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpAddThread1of1ForFork1 ======== [2022-04-18 17:27:11,508 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 17:27:11,508 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:27:11,680 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1789832018, now seen corresponding path program 1 times [2022-04-18 17:27:11,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:11,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086863881] [2022-04-18 17:27:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:11,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:11,947 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 17:27:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:11,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086863881] [2022-04-18 17:27:11,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086863881] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:11,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:11,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:11,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814891164] [2022-04-18 17:27:11,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:11,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:11,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:11,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:11,976 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:11,977 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 17:27:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,095 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 17:27:12,095 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:12,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:12,098 INFO L85 PathProgramCache]: Analyzing trace with hash -446115131, now seen corresponding path program 1 times [2022-04-18 17:27:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:12,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092264555] [2022-04-18 17:27:12,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:12,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:12,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092264555] [2022-04-18 17:27:12,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092264555] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:12,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:12,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:12,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233575369] [2022-04-18 17:27:12,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:12,240 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:12,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:12,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:12,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:12,244 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:12,244 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 17:27:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:12,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,317 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 17:27:12,317 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1933168590, now seen corresponding path program 1 times [2022-04-18 17:27:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:12,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564093081] [2022-04-18 17:27:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:12,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564093081] [2022-04-18 17:27:12,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564093081] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:12,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25614417] [2022-04-18 17:27:12,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:12,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:12,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:12,432 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 17:27:12,442 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 17:27:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:12,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-18 17:27:12,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:27:12,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:27:12,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25614417] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:12,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:27:12,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-04-18 17:27:12,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016976634] [2022-04-18 17:27:12,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:12,752 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:12,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:12,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:27:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:12,753 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:12,754 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 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 17:27:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:12,859 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 17:27:13,059 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,SelfDestructingSolverStorable2 [2022-04-18 17:27:13,060 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:13,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash 349649847, now seen corresponding path program 1 times [2022-04-18 17:27:13,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:13,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354963693] [2022-04-18 17:27:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:13,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:13,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:13,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354963693] [2022-04-18 17:27:13,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354963693] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:13,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632811698] [2022-04-18 17:27:13,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:13,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:13,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:13,136 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 17:27:13,139 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 17:27:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:13,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:27:13,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:13,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:13,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632811698] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:13,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:13,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-04-18 17:27:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258563519] [2022-04-18 17:27:13,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:13,629 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 17:27:13,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 17:27:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:27:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:13,630 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:13,631 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 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 17:27:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:13,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:13,993 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:13,993 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:13,994 INFO L85 PathProgramCache]: Analyzing trace with hash -788159338, now seen corresponding path program 1 times [2022-04-18 17:27:13,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:13,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692528016] [2022-04-18 17:27:13,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:13,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:27:14,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:14,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692528016] [2022-04-18 17:27:14,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692528016] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:14,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:14,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:14,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336013939] [2022-04-18 17:27:14,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:14,042 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:14,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:14,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:14,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:14,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,043 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:14,044 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 17:27:14,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,070 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 17:27:14,070 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:14,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:14,071 INFO L85 PathProgramCache]: Analyzing trace with hash -788159307, now seen corresponding path program 1 times [2022-04-18 17:27:14,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:14,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895906988] [2022-04-18 17:27:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:14,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:27:14,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:14,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895906988] [2022-04-18 17:27:14,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895906988] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:14,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:14,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:27:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794083425] [2022-04-18 17:27:14,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:14,150 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:27:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:27:14,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:27:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,151 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:14,151 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 17:27:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,237 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 17:27:14,237 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:14,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash -777828653, now seen corresponding path program 1 times [2022-04-18 17:27:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:14,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391023717] [2022-04-18 17:27:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:14,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:14,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:14,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391023717] [2022-04-18 17:27:14,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391023717] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:14,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:14,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912828998] [2022-04-18 17:27:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:14,280 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:14,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:14,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:14,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:14,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,281 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:14,281 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 17:27:14,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:14,641 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 17:27:14,641 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1147292453, now seen corresponding path program 2 times [2022-04-18 17:27:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230070810] [2022-04-18 17:27:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:14,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:14,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:14,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230070810] [2022-04-18 17:27:14,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230070810] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:14,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490114666] [2022-04-18 17:27:14,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:27:14,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:14,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:14,756 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 17:27:14,777 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 17:27:14,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:27:14,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:27:14,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-18 17:27:14,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:15,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:15,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490114666] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:15,419 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:15,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2022-04-18 17:27:15,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696910126] [2022-04-18 17:27:15,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:15,421 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 17:27:15,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:15,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 17:27:15,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:27:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:15,422 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:15,422 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 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 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:15,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 17:27:16,070 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-04-18 17:27:16,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-04-18 17:27:16,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-04-18 17:27:16,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-04-18 17:27:16,071 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-04-18 17:27:16,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-04-18 17:27:16,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-04-18 17:27:16,072 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-04-18 17:27:16,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:16,291 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:16,298 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-04-18 17:27:16,300 INFO L306 ceAbstractionStarter]: Result for error location BCSP_PnpAddThread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2022-04-18 17:27:16,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:27:16,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:16,308 INFO L229 MonitoredProcess]: Starting monitored process 6 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 17:27:16,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-04-18 17:27:16,365 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 17:27:16,365 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 17:27:16,365 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-04-18 17:27:16,369 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2094445560, now seen corresponding path program 1 times [2022-04-18 17:27:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208484009] [2022-04-18 17:27:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,383 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 17:27:16,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208484009] [2022-04-18 17:27:16,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208484009] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:27:16,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036610625] [2022-04-18 17:27:16,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,384 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,385 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,385 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 17:27:16,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,389 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 17:27:16,390 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,390 INFO L85 PathProgramCache]: Analyzing trace with hash -501155979, now seen corresponding path program 1 times [2022-04-18 17:27:16,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045762843] [2022-04-18 17:27:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,402 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 17:27:16,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045762843] [2022-04-18 17:27:16,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045762843] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:27:16,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999175988] [2022-04-18 17:27:16,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,403 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,404 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,404 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:16,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,409 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 17:27:16,409 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,409 INFO L85 PathProgramCache]: Analyzing trace with hash -911440581, now seen corresponding path program 1 times [2022-04-18 17:27:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819534879] [2022-04-18 17:27:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,422 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 17:27:16,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819534879] [2022-04-18 17:27:16,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819534879] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:27:16,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707883769] [2022-04-18 17:27:16,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,424 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,424 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,424 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 17:27:16,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 17:27:16,429 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,430 INFO L85 PathProgramCache]: Analyzing trace with hash -780218612, now seen corresponding path program 1 times [2022-04-18 17:27:16,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833696809] [2022-04-18 17:27:16,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,444 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 17:27:16,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833696809] [2022-04-18 17:27:16,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833696809] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 17:27:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000958739] [2022-04-18 17:27:16,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,445 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,445 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,446 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:16,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,526 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 17:27:16,527 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,527 INFO L85 PathProgramCache]: Analyzing trace with hash -214907301, now seen corresponding path program 1 times [2022-04-18 17:27:16,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162838795] [2022-04-18 17:27:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-18 17:27:16,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162838795] [2022-04-18 17:27:16,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162838795] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:16,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475126531] [2022-04-18 17:27:16,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,547 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,548 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,548 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:16,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 17:27:16,590 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1043271813, now seen corresponding path program 1 times [2022-04-18 17:27:16,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924904794] [2022-04-18 17:27:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:16,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924904794] [2022-04-18 17:27:16,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924904794] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:16,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:16,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:16,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357460304] [2022-04-18 17:27:16,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:16,614 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:16,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:16,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,615 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:16,615 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 17:27:16,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:16,654 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 17:27:16,655 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:16,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:16,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1522379832, now seen corresponding path program 1 times [2022-04-18 17:27:16,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:16,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149391309] [2022-04-18 17:27:16,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:16,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:16,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149391309] [2022-04-18 17:27:16,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149391309] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:16,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336155720] [2022-04-18 17:27:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:16,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:16,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:16,722 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 17:27:16,723 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 17:27:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-18 17:27:16,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:17,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:17,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336155720] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:17,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:17,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-04-18 17:27:17,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608390850] [2022-04-18 17:27:17,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:17,217 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-18 17:27:17,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-18 17:27:17,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-04-18 17:27:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,219 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:17,219 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 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 17:27:17,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 17:27:17,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-18 17:27:17,523 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,SelfDestructingSolverStorable14 [2022-04-18 17:27:17,523 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-04-18 17:27:17,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:17,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1522350041, now seen corresponding path program 1 times [2022-04-18 17:27:17,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:17,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166227005] [2022-04-18 17:27:17,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:17,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:27:17,542 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 17:27:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 17:27:17,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 17:27:17,583 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 17:27:17,584 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-04-18 17:27:17,584 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-04-18 17:27:17,585 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-04-18 17:27:17,585 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-04-18 17:27:17,585 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-04-18 17:27:17,585 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2022-04-18 17:27:17,585 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 17:27:17,588 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 17:27:17,589 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2022-04-18 17:27:17,589 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 17:27:17,589 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 17:27:17,622 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 17:27:17,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:27:17,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:17,628 INFO L229 MonitoredProcess]: Starting monitored process 8 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 17:27:17,641 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpStopThread2of2ForFork0 ======== [2022-04-18 17:27:17,641 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 17:27:17,641 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-04-18 17:27:17,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-04-18 17:27:17,647 INFO L719 BasicCegarLoop]: Path program histogram: [] [2022-04-18 17:27:17,647 INFO L306 ceAbstractionStarter]: Result for error location BCSP_PnpStopThread2of2ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2022-04-18 17:27:17,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:27:17,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:17,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-04-18 17:27:17,650 INFO L229 MonitoredProcess]: Starting monitored process 9 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 17:27:17,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-04-18 17:27:17,656 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpAddThread1of2ForFork1 ======== [2022-04-18 17:27:17,656 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 17:27:17,656 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:27:17,731 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:17,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:17,731 INFO L85 PathProgramCache]: Analyzing trace with hash 69320751, now seen corresponding path program 1 times [2022-04-18 17:27:17,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:17,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796981957] [2022-04-18 17:27:17,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:17,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:17,751 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 17:27:17,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:17,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796981957] [2022-04-18 17:27:17,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796981957] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:17,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:17,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:17,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156897430] [2022-04-18 17:27:17,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:17,753 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:17,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:17,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:17,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,754 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:17,754 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 17:27:17,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,825 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 17:27:17,825 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:17,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:17,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2099771219, now seen corresponding path program 1 times [2022-04-18 17:27:17,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:17,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900081648] [2022-04-18 17:27:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:17,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:17,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:17,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900081648] [2022-04-18 17:27:17,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900081648] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:17,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:17,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:17,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416499278] [2022-04-18 17:27:17,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:17,868 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:17,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:17,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:17,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,869 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:17,869 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 17:27:17,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:17,900 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 17:27:17,900 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1201328189, now seen corresponding path program 1 times [2022-04-18 17:27:17,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:17,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327408333] [2022-04-18 17:27:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:17,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:17,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327408333] [2022-04-18 17:27:17,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327408333] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:17,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733312072] [2022-04-18 17:27:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:17,951 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 17:27:17,977 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 17:27:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:18,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-18 17:27:18,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:27:18,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:27:18,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733312072] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:18,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:27:18,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-04-18 17:27:18,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610125319] [2022-04-18 17:27:18,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:18,153 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:18,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:18,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:18,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-18 17:27:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:18,154 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:18,154 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 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 17:27:18,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,241 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 17:27:18,431 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:18,431 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash 702131426, now seen corresponding path program 1 times [2022-04-18 17:27:18,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:18,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377776214] [2022-04-18 17:27:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:18,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:18,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377776214] [2022-04-18 17:27:18,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377776214] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:18,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124383873] [2022-04-18 17:27:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:18,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:18,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:18,476 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 17:27:18,505 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 17:27:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:18,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:27:18,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:18,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:18,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124383873] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:18,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:18,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-04-18 17:27:18,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649916518] [2022-04-18 17:27:18,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:18,837 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 17:27:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 17:27:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:27:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:18,838 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:18,839 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 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 17:27:18,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:18,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:20,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:20,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:20,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:20,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:20,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:20,989 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,SelfDestructingSolverStorable19 [2022-04-18 17:27:20,990 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1120089835, now seen corresponding path program 1 times [2022-04-18 17:27:20,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:20,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641101713] [2022-04-18 17:27:20,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:20,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-04-18 17:27:21,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:21,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641101713] [2022-04-18 17:27:21,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641101713] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:21,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:21,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:21,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492863080] [2022-04-18 17:27:21,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:21,025 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:21,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:21,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:21,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:21,026 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:21,026 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 17:27:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:21,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,049 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 17:27:21,049 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:21,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1120090796, now seen corresponding path program 1 times [2022-04-18 17:27:21,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:21,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937842810] [2022-04-18 17:27:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 17:27:21,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:21,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937842810] [2022-04-18 17:27:21,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937842810] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:21,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:21,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:27:21,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127119062] [2022-04-18 17:27:21,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:21,108 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:27:21,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:21,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:27:21,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:27:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:21,109 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:21,109 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 17:27:21,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:21,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:21,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:22,031 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 17:27:22,032 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:22,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:22,032 INFO L85 PathProgramCache]: Analyzing trace with hash 252399434, now seen corresponding path program 1 times [2022-04-18 17:27:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:22,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492395693] [2022-04-18 17:27:22,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:22,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:22,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:22,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492395693] [2022-04-18 17:27:22,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492395693] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:22,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:22,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059167614] [2022-04-18 17:27:22,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:22,068 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:22,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:22,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:22,069 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:22,070 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:27,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,084 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 17:27:27,084 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1995982308, now seen corresponding path program 2 times [2022-04-18 17:27:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:27,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108412788] [2022-04-18 17:27:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:27,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:27,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108412788] [2022-04-18 17:27:27,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108412788] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:27,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558187251] [2022-04-18 17:27:27,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 17:27:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:27,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:27,172 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 17:27:27,173 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 17:27:27,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 17:27:27,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 17:27:27,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-18 17:27:27,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:27,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:27,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558187251] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:27,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:27,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2022-04-18 17:27:27,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056235555] [2022-04-18 17:27:27,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:27,891 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 17:27:27,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:27,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 17:27:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:27:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:27,892 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:27,893 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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 17:27:27,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:27,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:27,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:27,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:29,486 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 17:27:29,680 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:29,681 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:29,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1839913550, now seen corresponding path program 1 times [2022-04-18 17:27:29,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:29,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412038475] [2022-04-18 17:27:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:29,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:27:29,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:29,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412038475] [2022-04-18 17:27:29,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412038475] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:29,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:29,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:27:29,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443813190] [2022-04-18 17:27:29,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:29,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:27:29,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:29,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:27:29,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:27:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:29,738 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:29,739 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:29,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:35,255 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 17:27:35,255 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1850409106, now seen corresponding path program 1 times [2022-04-18 17:27:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:35,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54282202] [2022-04-18 17:27:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:27:35,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:35,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54282202] [2022-04-18 17:27:35,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54282202] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:35,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563265582] [2022-04-18 17:27:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:35,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:35,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:35,400 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 17:27:35,438 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 17:27:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:35,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-18 17:27:35,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 17:27:36,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:36,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563265582] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:36,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:36,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 16 [2022-04-18 17:27:36,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211357855] [2022-04-18 17:27:36,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:36,894 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-18 17:27:36,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-18 17:27:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2022-04-18 17:27:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:36,895 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:36,895 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 18.0) internal successors, (288), 16 states have internal predecessors, (288), 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 17:27:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 17:27:41,360 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-04-18 17:27:41,361 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-04-18 17:27:41,361 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-04-18 17:27:41,361 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-04-18 17:27:41,361 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-04-18 17:27:41,361 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-04-18 17:27:41,362 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-04-18 17:27:41,362 INFO L788 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-04-18 17:27:41,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:41,588 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-18 17:27:41,589 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 17:27:41,590 INFO L306 ceAbstractionStarter]: Result for error location BCSP_PnpAddThread1of2ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2022-04-18 17:27:41,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 17:27:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:41,592 INFO L229 MonitoredProcess]: Starting monitored process 14 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 17:27:41,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2022-04-18 17:27:41,595 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == BCSP_PnpAddThread2of2ForFork1 ======== [2022-04-18 17:27:41,595 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 17:27:41,595 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-04-18 17:27:41,663 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1696392313, now seen corresponding path program 1 times [2022-04-18 17:27:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:41,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950009295] [2022-04-18 17:27:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-04-18 17:27:41,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:41,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950009295] [2022-04-18 17:27:41,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950009295] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:41,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:41,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:41,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513102472] [2022-04-18 17:27:41,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:41,684 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:41,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:41,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:41,685 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:41,685 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 17:27:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,762 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 17:27:41,762 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash 91838369, now seen corresponding path program 1 times [2022-04-18 17:27:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:41,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043071256] [2022-04-18 17:27:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 17:27:41,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:41,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043071256] [2022-04-18 17:27:41,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043071256] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:41,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:41,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:41,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389834359] [2022-04-18 17:27:41,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:41,785 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:41,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:41,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:41,786 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:41,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 17:27:41,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:41,817 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 17:27:41,817 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1134465863, now seen corresponding path program 1 times [2022-04-18 17:27:41,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:41,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748821796] [2022-04-18 17:27:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:41,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:41,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748821796] [2022-04-18 17:27:41,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748821796] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:41,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307923587] [2022-04-18 17:27:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:41,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:41,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:41,889 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:27:41,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-18 17:27:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:41,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-18 17:27:41,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-18 17:27:42,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:27:42,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307923587] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:42,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:27:42,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-04-18 17:27:42,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561534004] [2022-04-18 17:27:42,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:42,151 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:42,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:42,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:42,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-04-18 17:27:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:42,152 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:42,152 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 17:27:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:42,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-04-18 17:27:45,652 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-04-18 17:27:45,652 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:45,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:45,652 INFO L85 PathProgramCache]: Analyzing trace with hash -760461390, now seen corresponding path program 1 times [2022-04-18 17:27:45,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:45,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128731639] [2022-04-18 17:27:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:27:45,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:45,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128731639] [2022-04-18 17:27:45,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128731639] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:45,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:45,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:45,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018625302] [2022-04-18 17:27:45,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:45,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:45,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:45,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:45,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:45,841 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:45,841 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 17:27:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:45,866 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-18 17:27:45,866 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:45,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1046916092, now seen corresponding path program 1 times [2022-04-18 17:27:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:45,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187204593] [2022-04-18 17:27:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:45,928 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 17:27:45,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:45,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187204593] [2022-04-18 17:27:45,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187204593] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:45,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923059157] [2022-04-18 17:27:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:45,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:45,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:45,930 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:27:45,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-18 17:27:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:46,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 17:27:46,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:46,219 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 17:27:46,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:27:46,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923059157] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:46,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:27:46,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-04-18 17:27:46,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509901340] [2022-04-18 17:27:46,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:46,220 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:27:46,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:27:46,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-04-18 17:27:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:46,221 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:46,221 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 17:27:46,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:46,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:46,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:46,607 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:46,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:46,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2003595258, now seen corresponding path program 1 times [2022-04-18 17:27:46,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:46,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859980190] [2022-04-18 17:27:46,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:46,658 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 17:27:46,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:46,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859980190] [2022-04-18 17:27:46,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859980190] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:27:46,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461332569] [2022-04-18 17:27:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:27:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:27:46,660 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:27:46,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-18 17:27:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:46,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2022-04-18 17:27:46,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:27:46,933 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 17:27:46,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 17:27:47,130 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 17:27:47,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461332569] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 17:27:47,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 17:27:47,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-04-18 17:27:47,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873537273] [2022-04-18 17:27:47,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 17:27:47,131 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-18 17:27:47,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:47,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-18 17:27:47,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-04-18 17:27:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,132 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:47,132 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 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 17:27:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-18 17:27:47,392 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-04-18 17:27:47,392 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1339689030, now seen corresponding path program 1 times [2022-04-18 17:27:47,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:47,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71686548] [2022-04-18 17:27:47,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:47,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:27:47,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:47,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71686548] [2022-04-18 17:27:47,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71686548] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:47,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:47,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 17:27:47,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488630680] [2022-04-18 17:27:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:47,437 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-18 17:27:47,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:47,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-18 17:27:47,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-18 17:27:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,438 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:47,438 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-18 17:27:47,481 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:47,481 INFO L85 PathProgramCache]: Analyzing trace with hash 731733238, now seen corresponding path program 1 times [2022-04-18 17:27:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:47,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199354415] [2022-04-18 17:27:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:27:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:27:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:27:47,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:27:47,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199354415] [2022-04-18 17:27:47,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199354415] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:27:47,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 17:27:47,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 17:27:47,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389050683] [2022-04-18 17:27:47,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:27:47,510 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 17:27:47,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:27:47,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 17:27:47,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 17:27:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:47,510 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:27:47,511 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 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 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:27:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:27:59,954 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-18 17:27:59,954 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-04-18 17:27:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 17:27:59,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2069019436, now seen corresponding path program 1 times [2022-04-18 17:27:59,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 17:27:59,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304404471] [2022-04-18 17:27:59,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:27:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 17:28:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:28:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-18 17:28:00,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 17:28:00,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304404471] [2022-04-18 17:28:00,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304404471] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 17:28:00,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388176859] [2022-04-18 17:28:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 17:28:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 17:28:00,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:28:00,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 17:28:00,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-18 17:28:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 17:28:00,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-18 17:28:00,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 17:28:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 17:28:00,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 17:28:00,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388176859] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 17:28:00,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 17:28:00,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2022-04-18 17:28:00,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352871167] [2022-04-18 17:28:00,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 17:28:00,932 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-18 17:28:00,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 17:28:00,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-18 17:28:00,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-18 17:28:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 17:28:00,933 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 17:28:00,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 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 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:00,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 17:28:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 17:28:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 17:28:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.