/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.pointer.base.address.is.valid.at.dereference ASSERTandASSUME --cacsl2boogietranslator.pointer.to.allocated.memory.at.dereference ASSERTandASSUME --cacsl2boogietranslator.check.array.bounds.for.arrays.that.are.off.heap ASSERTandASSUME --cacsl2boogietranslator.check.if.freed.pointer.was.valid true --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-10 11:39:37,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-10 11:39:37,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-10 11:39:37,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-10 11:39:37,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-10 11:39:37,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-10 11:39:37,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-10 11:39:37,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-10 11:39:37,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-10 11:39:37,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-10 11:39:37,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-10 11:39:37,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-10 11:39:37,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-10 11:39:37,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-10 11:39:37,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-10 11:39:37,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-10 11:39:37,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-10 11:39:37,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-10 11:39:37,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-10 11:39:37,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-10 11:39:37,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-10 11:39:37,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-10 11:39:37,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-10 11:39:37,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-10 11:39:37,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-10 11:39:37,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-10 11:39:37,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-10 11:39:37,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-10 11:39:37,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-10 11:39:37,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-10 11:39:37,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-10 11:39:37,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-10 11:39:37,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-10 11:39:37,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-10 11:39:37,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-10 11:39:37,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-10 11:39:37,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-10 11:39:37,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-10 11:39:37,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-10 11:39:37,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-10 11:39:37,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-10 11:39:37,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-10 11:39:37,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 11:39:37,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 11:39:37,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 11:39:37,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 11:39:37,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 11:39:37,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 11:39:37,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 11:39:37,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 11:39:37,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 11:39:37,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 11:39:37,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 11:39:37,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-10 11:39:37,943 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2022-10-10 11:39:38,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 11:39:38,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 11:39:38,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 11:39:38,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-10 11:39:38,248 INFO L275 PluginConnector]: CDTParser initialized [2022-10-10 11:39:38,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-10-10 11:39:38,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a284b6/a34f0ff1dbec41c18891b68c16176822/FLAG2d23038ca [2022-10-10 11:39:38,738 INFO L306 CDTParser]: Found 1 translation units. [2022-10-10 11:39:38,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-10-10 11:39:38,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a284b6/a34f0ff1dbec41c18891b68c16176822/FLAG2d23038ca [2022-10-10 11:39:39,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a284b6/a34f0ff1dbec41c18891b68c16176822 [2022-10-10 11:39:39,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 11:39:39,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-10 11:39:39,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-10 11:39:39,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-10 11:39:39,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-10 11:39:39,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e13d86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39, skipping insertion in model container [2022-10-10 11:39:39,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-10 11:39:39,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-10 11:39:39,401 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-atomic/qrcu-2.i[30690,30703] [2022-10-10 11:39:39,404 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-atomic/qrcu-2.i[30912,30925] [2022-10-10 11:39:39,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-10 11:39:39,432 INFO L203 MainTranslator]: Completed pre-run [2022-10-10 11:39:39,457 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-atomic/qrcu-2.i[30690,30703] [2022-10-10 11:39:39,458 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-atomic/qrcu-2.i[30912,30925] [2022-10-10 11:39:39,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-10 11:39:39,492 INFO L208 MainTranslator]: Completed translation [2022-10-10 11:39:39,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39 WrapperNode [2022-10-10 11:39:39,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-10 11:39:39,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 11:39:39,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 11:39:39,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 11:39:39,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,549 INFO L138 Inliner]: procedures = 177, calls = 44, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 262 [2022-10-10 11:39:39,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 11:39:39,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 11:39:39,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 11:39:39,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 11:39:39,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 11:39:39,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 11:39:39,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 11:39:39,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 11:39:39,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (1/1) ... [2022-10-10 11:39:39,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 11:39:39,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:39,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:39,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-10 11:39:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-10-10 11:39:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-10-10 11:39:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-10-10 11:39:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-10 11:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 11:39:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 11:39:39,660 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 11:39:39,742 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 11:39:39,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 11:39:40,003 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 11:39:40,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 11:39:40,149 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-10 11:39:40,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:39:40 BoogieIcfgContainer [2022-10-10 11:39:40,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 11:39:40,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 11:39:40,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 11:39:40,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 11:39:40,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:39:39" (1/3) ... [2022-10-10 11:39:40,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b710551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:39:40, skipping insertion in model container [2022-10-10 11:39:40,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:39:39" (2/3) ... [2022-10-10 11:39:40,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b710551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:39:40, skipping insertion in model container [2022-10-10 11:39:40,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:39:40" (3/3) ... [2022-10-10 11:39:40,159 INFO L112 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2022-10-10 11:39:40,176 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 11:39:40,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 11:39:40,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-10 11:39:40,183 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 11:39:40,286 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-10 11:39:40,341 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:40,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:40,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:40,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:40,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-10 11:39:40,369 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:40,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:40,379 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:40,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:40,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -178170578, now seen corresponding path program 1 times [2022-10-10 11:39:40,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:40,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191045723] [2022-10-10 11:39:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:40,736 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:40,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191045723] [2022-10-10 11:39:40,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191045723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:40,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:40,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:40,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696279790] [2022-10-10 11:39:40,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:40,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:40,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:40,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:40,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:40,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:40,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-10-10 11:39:40,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:40,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:40,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 11:39:40,818 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:40,820 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (1/15) [2022-10-10 11:39:40,832 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:40,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:40,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:40,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-10 11:39:40,840 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:40,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:40,841 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:40,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:40,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:40,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:40,847 INFO L85 PathProgramCache]: Analyzing trace with hash -178170577, now seen corresponding path program 1 times [2022-10-10 11:39:40,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:40,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26387866] [2022-10-10 11:39:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:40,958 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:40,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26387866] [2022-10-10 11:39:40,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26387866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:40,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:40,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-10 11:39:40,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461296021] [2022-10-10 11:39:40,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:40,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-10 11:39:40,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-10 11:39:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-10 11:39:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:40,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:40,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-10-10 11:39:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:40,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:40,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 11:39:40,998 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:40,998 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (2/15) [2022-10-10 11:39:41,003 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:41,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:41,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:41,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:41,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-10 11:39:41,010 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:41,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:41,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:41,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:41,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash 253341431, now seen corresponding path program 1 times [2022-10-10 11:39:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:41,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725732641] [2022-10-10 11:39:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:41,108 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:41,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725732641] [2022-10-10 11:39:41,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725732641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:41,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:41,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:41,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076364873] [2022-10-10 11:39:41,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:41,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:41,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:41,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:41,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:41,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-10-10 11:39:41,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:41,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:41,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 11:39:41,228 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:41,229 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (3/15) [2022-10-10 11:39:41,231 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:41,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:41,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:41,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:41,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-10 11:39:41,237 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:41,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:41,238 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:41,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:41,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:41,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:41,276 INFO L85 PathProgramCache]: Analyzing trace with hash 253341432, now seen corresponding path program 1 times [2022-10-10 11:39:41,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:41,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265151173] [2022-10-10 11:39:41,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:41,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:41,313 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:41,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265151173] [2022-10-10 11:39:41,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265151173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:41,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:41,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:41,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865481272] [2022-10-10 11:39:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:41,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:41,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:41,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:41,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:41,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-10-10 11:39:41,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:41,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:41,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 11:39:41,385 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:41,385 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (4/15) [2022-10-10 11:39:41,387 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:41,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:41,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:41,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-10 11:39:41,393 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:41,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:41,394 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:41,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:41,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:41,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1499801154, now seen corresponding path program 1 times [2022-10-10 11:39:41,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:41,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095802308] [2022-10-10 11:39:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:41,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:41,492 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:41,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095802308] [2022-10-10 11:39:41,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095802308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:41,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:41,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:41,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026824122] [2022-10-10 11:39:41,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:41,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:41,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:41,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:41,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:41,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-10-10 11:39:41,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:41,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:41,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-10 11:39:41,841 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:41,841 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (5/15) [2022-10-10 11:39:41,844 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:41,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:41,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:41,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-10 11:39:41,894 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:41,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:41,895 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:41,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:41,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:41,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1499801153, now seen corresponding path program 1 times [2022-10-10 11:39:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:41,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088324794] [2022-10-10 11:39:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:42,009 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:42,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088324794] [2022-10-10 11:39:42,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088324794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:42,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:42,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:42,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151242896] [2022-10-10 11:39:42,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:42,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:42,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:42,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:42,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:42,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:42,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-10-10 11:39:42,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:42,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:42,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-10 11:39:42,283 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-10 11:39:42,284 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (6/15) [2022-10-10 11:39:42,285 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:42,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:42,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:42,292 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:42,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-10-10 11:39:42,308 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:42,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:42,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:42,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:42,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:42,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1985541593, now seen corresponding path program 1 times [2022-10-10 11:39:42,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:42,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329327878] [2022-10-10 11:39:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:42,511 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:42,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329327878] [2022-10-10 11:39:42,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329327878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:42,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:42,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:39:42,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284443514] [2022-10-10 11:39:42,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:42,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:39:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:42,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:39:42,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:39:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:42,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:42,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2022-10-10 11:39:42,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:42,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-10 11:39:42,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-10 11:39:42,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:42,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2145936698, now seen corresponding path program 1 times [2022-10-10 11:39:42,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:42,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776232269] [2022-10-10 11:39:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:42,623 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:42,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776232269] [2022-10-10 11:39:42,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776232269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:42,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:42,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:42,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661105549] [2022-10-10 11:39:42,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:42,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:42,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:42,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:42,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:42,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:42,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:42,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-10-10 11:39:42,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-10 11:39:42,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:39:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:49,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:49,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-10 11:39:49,906 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-10 11:39:49,907 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (7/15) [2022-10-10 11:39:49,921 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:49,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:49,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:49,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-10-10 11:39:49,939 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:49,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:49,939 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:49,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:50,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:50,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:50,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1985541594, now seen corresponding path program 1 times [2022-10-10 11:39:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:50,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934619564] [2022-10-10 11:39:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:50,057 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:50,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934619564] [2022-10-10 11:39:50,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934619564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:50,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:50,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:39:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48687815] [2022-10-10 11:39:50,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:50,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:39:50,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:50,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:39:50,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:39:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:50,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:50,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2022-10-10 11:39:50,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:50,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-10 11:39:50,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-10 11:39:50,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:50,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2145936699, now seen corresponding path program 1 times [2022-10-10 11:39:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:50,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773839500] [2022-10-10 11:39:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:50,297 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:50,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773839500] [2022-10-10 11:39:50,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773839500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:50,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:50,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-10 11:39:50,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402112860] [2022-10-10 11:39:50,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:50,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-10 11:39:50,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:50,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-10 11:39:50,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-10 11:39:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:50,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:50,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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) [2022-10-10 11:39:50,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-10 11:39:50,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:39:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:39:56,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:39:56,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-10 11:39:56,594 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-10 11:39:56,595 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (8/15) [2022-10-10 11:39:56,598 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:39:56,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:39:56,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:39:56,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:39:56,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2022-10-10 11:39:56,809 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:39:56,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:39:56,810 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:39:56,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:39:56,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:56,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:56,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1276629517, now seen corresponding path program 1 times [2022-10-10 11:39:56,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:56,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580174808] [2022-10-10 11:39:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:56,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:56,894 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:56,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580174808] [2022-10-10 11:39:56,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580174808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:56,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:56,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:56,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45330787] [2022-10-10 11:39:56,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:56,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-10 11:39:56,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:56,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-10 11:39:56,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-10 11:39:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:56,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 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) [2022-10-10 11:39:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-10 11:39:56,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -595964344, now seen corresponding path program 1 times [2022-10-10 11:39:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:56,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272662090] [2022-10-10 11:39:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:56,962 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:56,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272662090] [2022-10-10 11:39:56,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272662090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:56,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:56,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:39:56,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237408461] [2022-10-10 11:39:56,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:56,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:39:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:56,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:39:56,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:39:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:56,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2022-10-10 11:39:56,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:56,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:57,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:39:57,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-10 11:39:57,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:39:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:39:57,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1359036439, now seen corresponding path program 1 times [2022-10-10 11:39:57,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:39:57,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304649535] [2022-10-10 11:39:57,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:39:57,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:39:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:39:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:39:57,035 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:39:57,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304649535] [2022-10-10 11:39:57,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304649535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:39:57,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:39:57,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:39:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024836711] [2022-10-10 11:39:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:39:57,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:39:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:39:57,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:39:57,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:39:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:57,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:39:57,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 11:39:57,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:39:57,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:39:57,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:40:09,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:40:09,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-10 11:40:09,424 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-10 11:40:09,425 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (9/15) [2022-10-10 11:40:09,429 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:09,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:09,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:09,438 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:09,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2022-10-10 11:40:09,445 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:09,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:40:09,446 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:09,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:09,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:09,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1276629516, now seen corresponding path program 1 times [2022-10-10 11:40:09,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:09,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710145406] [2022-10-10 11:40:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:09,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:09,512 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:09,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710145406] [2022-10-10 11:40:09,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710145406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:09,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:09,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:40:09,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239557764] [2022-10-10 11:40:09,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:09,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-10 11:40:09,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:09,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-10 11:40:09,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-10 11:40:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:09,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 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) [2022-10-10 11:40:09,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-10 11:40:09,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:09,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:09,526 INFO L85 PathProgramCache]: Analyzing trace with hash -595964343, now seen corresponding path program 1 times [2022-10-10 11:40:09,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:09,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961492544] [2022-10-10 11:40:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:09,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:09,578 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:09,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961492544] [2022-10-10 11:40:09,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961492544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:09,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:09,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:40:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676486251] [2022-10-10 11:40:09,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:09,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:40:09,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:09,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:40:09,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:40:09,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:09,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2022-10-10 11:40:09,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:09,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-10 11:40:09,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:09,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1359036438, now seen corresponding path program 1 times [2022-10-10 11:40:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:09,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143303722] [2022-10-10 11:40:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:09,818 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:09,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143303722] [2022-10-10 11:40:09,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143303722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:09,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:09,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-10 11:40:09,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668916306] [2022-10-10 11:40:09,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:09,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-10 11:40:09,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:09,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-10 11:40:09,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-10 11:40:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:09,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 11:40:09,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:09,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:09,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:40:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:40:22,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:40:22,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-10 11:40:22,622 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-10 11:40:22,622 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (10/15) [2022-10-10 11:40:22,623 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:22,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:22,625 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:22,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2022-10-10 11:40:22,629 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:22,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:40:22,630 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:22,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:22,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:22,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1207185635, now seen corresponding path program 1 times [2022-10-10 11:40:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:22,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132876881] [2022-10-10 11:40:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:22,711 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:22,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132876881] [2022-10-10 11:40:22,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132876881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:22,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:22,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:40:22,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817185657] [2022-10-10 11:40:22,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:22,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-10 11:40:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:22,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-10 11:40:22,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-10 11:40:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:22,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 11:40:22,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-10 11:40:22,730 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash 619764740, now seen corresponding path program 1 times [2022-10-10 11:40:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504378053] [2022-10-10 11:40:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:22,775 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:22,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504378053] [2022-10-10 11:40:22,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504378053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:22,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:22,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:40:22,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366658104] [2022-10-10 11:40:22,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:22,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:40:22,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:22,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:40:22,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:40:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:22,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 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) [2022-10-10 11:40:22,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:22,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-10 11:40:22,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1655087131, now seen corresponding path program 1 times [2022-10-10 11:40:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:22,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144609487] [2022-10-10 11:40:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:22,859 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:22,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144609487] [2022-10-10 11:40:22,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144609487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:22,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:22,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:40:22,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096954953] [2022-10-10 11:40:22,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:22,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 11:40:22,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:22,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 11:40:22,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 11:40:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:22,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2022-10-10 11:40:22,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:22,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:22,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:40:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:40:35,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:40:35,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-10 11:40:35,400 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-10 11:40:35,400 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (11/15) [2022-10-10 11:40:35,401 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:35,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:35,403 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:35,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2022-10-10 11:40:35,410 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:35,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2022-10-10 11:40:35,411 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:35,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:35,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1207185634, now seen corresponding path program 1 times [2022-10-10 11:40:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:35,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810477718] [2022-10-10 11:40:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:35,487 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:35,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810477718] [2022-10-10 11:40:35,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810477718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:35,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:35,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-10 11:40:35,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156642809] [2022-10-10 11:40:35,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:35,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-10 11:40:35,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:35,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-10 11:40:35,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-10 11:40:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:35,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 11:40:35,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-10 11:40:35,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:35,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:35,506 INFO L85 PathProgramCache]: Analyzing trace with hash 619764741, now seen corresponding path program 1 times [2022-10-10 11:40:35,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:35,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742969387] [2022-10-10 11:40:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:35,553 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:35,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742969387] [2022-10-10 11:40:35,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742969387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:35,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:35,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-10 11:40:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383015635] [2022-10-10 11:40:35,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:35,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 11:40:35,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 11:40:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-10 11:40:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:35,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 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) [2022-10-10 11:40:35,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:35,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-10 11:40:35,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-10-10 11:40:35,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 11:40:35,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1655087130, now seen corresponding path program 1 times [2022-10-10 11:40:35,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 11:40:35,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411301289] [2022-10-10 11:40:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 11:40:35,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 11:40:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 11:40:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 11:40:35,640 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 11:40:35,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411301289] [2022-10-10 11:40:35,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411301289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 11:40:35,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 11:40:35,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-10 11:40:35,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157939668] [2022-10-10 11:40:35,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 11:40:35,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-10 11:40:35,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 11:40:35,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-10 11:40:35,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-10 11:40:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 11:40:35,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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) [2022-10-10 11:40:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-10 11:40:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:48,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 11:40:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 11:40:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 11:40:48,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 1 remaining) [2022-10-10 11:40:48,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-10 11:40:48,226 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-10 11:40:48,226 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE was SAFE (12/15) [2022-10-10 11:40:48,228 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:48,229 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:48,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2022-10-10 11:40:48,233 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:48,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-10 11:40:48,233 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:48,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:48,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-10 11:40:48,234 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-10 11:40:48,235 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (13/15) [2022-10-10 11:40:48,236 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:48,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:48,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:48,238 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:48,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2022-10-10 11:40:48,242 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:48,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-10 11:40:48,242 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:48,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:48,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-10 11:40:48,388 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-10 11:40:48,388 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (14/15) [2022-10-10 11:40:48,390 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 11:40:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 11:40:48,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 11:40:48,391 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 11:40:48,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2022-10-10 11:40:48,394 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 11:40:48,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-10 11:40:48,395 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b789609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 11:40:48,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 11:40:48,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-10 11:40:48,434 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-10 11:40:48,435 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (15/15) [2022-10-10 11:40:48,435 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-10 11:40:48,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-10 11:40:48,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 11:40:48 BasicIcfg [2022-10-10 11:40:48,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-10 11:40:48,443 INFO L158 Benchmark]: Toolchain (without parser) took 69354.66ms. Allocated memory was 195.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 155.9MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-10 11:40:48,443 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-10 11:40:48,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.14ms. Allocated memory is still 195.0MB. Free memory was 155.7MB in the beginning and 166.9MB in the end (delta: -11.2MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-10-10 11:40:48,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.84ms. Allocated memory is still 195.0MB. Free memory was 166.9MB in the beginning and 164.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-10 11:40:48,443 INFO L158 Benchmark]: Boogie Preprocessor took 55.69ms. Allocated memory is still 195.0MB. Free memory was 164.3MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-10 11:40:48,444 INFO L158 Benchmark]: RCFGBuilder took 546.59ms. Allocated memory is still 195.0MB. Free memory was 162.2MB in the beginning and 124.0MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-10-10 11:40:48,444 INFO L158 Benchmark]: TraceAbstraction took 68287.88ms. Allocated memory was 195.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.4MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-10-10 11:40:48,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.14ms. Allocated memory is still 195.0MB. Free memory was 155.7MB in the beginning and 166.9MB in the end (delta: -11.2MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.84ms. Allocated memory is still 195.0MB. Free memory was 166.9MB in the beginning and 164.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.69ms. Allocated memory is still 195.0MB. Free memory was 164.3MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 546.59ms. Allocated memory is still 195.0MB. Free memory was 162.2MB in the beginning and 124.0MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 68287.88ms. Allocated memory was 195.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.4MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 39, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 256, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 16, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 217, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 256, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 38, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 257, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 15, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 219, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 257, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 166, unknown conditional: 0, unknown unconditional: 166] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 59, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 180, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14742, positive: 12978, positive conditional: 12978, positive unconditional: 0, negative: 1764, negative conditional: 1764, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12978, positive: 12978, positive conditional: 0, positive unconditional: 12978, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12978, positive: 11933, positive conditional: 0, positive unconditional: 11933, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1045, unknown conditional: 0, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 55, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 14562, positive: 12853, positive conditional: 12853, positive unconditional: 0, negative: 1709, negative conditional: 1709, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14742, positive: 12978, positive conditional: 12978, positive unconditional: 0, negative: 1764, negative conditional: 1764, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12978, positive: 12978, positive conditional: 0, positive unconditional: 12978, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12978, positive: 11933, positive conditional: 0, positive unconditional: 11933, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1045, unknown conditional: 0, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1045, Positive cache size: 1045, Positive conditional cache size: 0, Positive unconditional cache size: 1045, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1764, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 181, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14751, positive: 12978, positive conditional: 12978, positive unconditional: 0, negative: 1773, negative conditional: 1773, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12978, positive: 12978, positive conditional: 0, positive unconditional: 12978, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12978, positive: 11933, positive conditional: 0, positive unconditional: 11933, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1045, unknown conditional: 0, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 56, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 14570, positive: 12853, positive conditional: 12853, positive unconditional: 0, negative: 1717, negative conditional: 1717, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14751, positive: 12978, positive conditional: 12978, positive unconditional: 0, negative: 1773, negative conditional: 1773, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12978, positive: 12978, positive conditional: 0, positive unconditional: 12978, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12978, positive: 11933, positive conditional: 0, positive unconditional: 11933, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1045, unknown conditional: 0, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1045, Positive cache size: 1045, Positive conditional cache size: 0, Positive unconditional cache size: 1045, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1773, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1324, positive: 1032, positive conditional: 1032, positive unconditional: 0, negative: 292, negative conditional: 292, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211232, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 115868, negative conditional: 115868, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 292, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1018, positive: 779, positive conditional: 779, positive unconditional: 0, negative: 239, negative conditional: 239, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211232, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 115868, negative conditional: 115868, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 520, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 531, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1208890, positive: 1093553, positive conditional: 1093553, positive unconditional: 0, negative: 115337, negative conditional: 115337, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211232, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 115868, negative conditional: 115868, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 4629, Positive cache size: 4558, Positive conditional cache size: 0, Positive unconditional cache size: 4558, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Independence queries for same thread: 104054, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1325, positive: 1032, positive conditional: 1032, positive unconditional: 0, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211821, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 116457, negative conditional: 116457, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 293, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1019, positive: 779, positive conditional: 779, positive unconditional: 0, negative: 240, negative conditional: 240, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211821, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 116457, negative conditional: 116457, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 520, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 533, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1209477, positive: 1093553, positive conditional: 1093553, positive unconditional: 0, negative: 115924, negative conditional: 115924, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1211821, positive: 1095364, positive conditional: 1095364, positive unconditional: 0, negative: 116457, negative conditional: 116457, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107178, positive: 1095364, positive conditional: 0, positive unconditional: 1095364, negative: 11814, negative conditional: 0, negative unconditional: 11814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4629, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1107178, positive: 1090806, positive conditional: 0, positive unconditional: 1090806, negative: 11743, negative conditional: 0, negative unconditional: 11743, unknown: 4629, unknown conditional: 0, unknown unconditional: 4629] , Statistics on independence cache: Total cache size (in pairs): 4629, Positive cache size: 4558, Positive conditional cache size: 0, Positive unconditional cache size: 4558, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Independence queries for same thread: 104643, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1553, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 360, negative conditional: 360, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1947404, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 230485, negative conditional: 230485, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 487, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 358, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1652, positive: 1260, positive conditional: 1260, positive unconditional: 0, negative: 392, negative conditional: 392, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1947404, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 230485, negative conditional: 230485, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 523, Positive cache size: 519, Positive conditional cache size: 0, Positive unconditional cache size: 519, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 746, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1150, positive: 856, positive conditional: 856, positive unconditional: 0, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1947404, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 230485, negative conditional: 230485, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 622, Positive conditional cache size: 0, Positive unconditional cache size: 622, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 1040, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1943049, positive: 1713610, positive conditional: 1713610, positive unconditional: 0, negative: 229439, negative conditional: 229439, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1947404, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 230485, negative conditional: 230485, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 5126, Positive cache size: 5051, Positive conditional cache size: 0, Positive unconditional cache size: 5051, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Independence queries for same thread: 206771, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1552, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 359, negative conditional: 359, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1948344, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 231425, negative conditional: 231425, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 487, Positive cache size: 485, Positive conditional cache size: 0, Positive unconditional cache size: 485, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 357, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1652, positive: 1260, positive conditional: 1260, positive unconditional: 0, negative: 392, negative conditional: 392, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1948344, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 231425, negative conditional: 231425, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 523, Positive cache size: 519, Positive conditional cache size: 0, Positive unconditional cache size: 519, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 745, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1149, positive: 856, positive conditional: 856, positive unconditional: 0, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1948344, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 231425, negative conditional: 231425, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 622, Positive conditional cache size: 0, Positive unconditional cache size: 622, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 1038, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1943991, positive: 1713610, positive conditional: 1713610, positive unconditional: 0, negative: 230381, negative conditional: 230381, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1948344, positive: 1716919, positive conditional: 1716919, positive unconditional: 0, negative: 231425, negative conditional: 231425, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1740633, positive: 1716919, positive conditional: 0, positive unconditional: 1716919, negative: 23714, negative conditional: 0, negative unconditional: 23714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5126, positive: 5051, positive conditional: 0, positive unconditional: 5051, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1740633, positive: 1711868, positive conditional: 0, positive unconditional: 1711868, negative: 23639, negative conditional: 0, negative unconditional: 23639, unknown: 5126, unknown conditional: 0, unknown unconditional: 5126] , Statistics on independence cache: Total cache size (in pairs): 5126, Positive cache size: 5051, Positive conditional cache size: 0, Positive unconditional cache size: 5051, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Independence queries for same thread: 207711, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1625, positive: 1230, positive conditional: 1230, positive unconditional: 0, negative: 395, negative conditional: 395, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961676, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234838, negative conditional: 234838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 391, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1764, positive: 1319, positive conditional: 1319, positive unconditional: 0, negative: 445, negative conditional: 445, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961676, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234838, negative conditional: 234838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 571, Positive cache size: 563, Positive conditional cache size: 0, Positive unconditional cache size: 563, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 828, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1157, positive: 856, positive conditional: 856, positive unconditional: 0, negative: 301, negative conditional: 301, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961676, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234838, negative conditional: 234838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 674, Positive cache size: 666, Positive conditional cache size: 0, Positive unconditional cache size: 666, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 1129, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1957130, positive: 1723433, positive conditional: 1723433, positive unconditional: 0, negative: 233697, negative conditional: 233697, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961676, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234838, negative conditional: 234838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 5399, Positive cache size: 5320, Positive conditional cache size: 0, Positive unconditional cache size: 5320, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Independence queries for same thread: 211004, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1624, positive: 1230, positive conditional: 1230, positive unconditional: 0, negative: 394, negative conditional: 394, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961775, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234937, negative conditional: 234937, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 390, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1764, positive: 1319, positive conditional: 1319, positive unconditional: 0, negative: 445, negative conditional: 445, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961775, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234937, negative conditional: 234937, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 571, Positive cache size: 563, Positive conditional cache size: 0, Positive unconditional cache size: 563, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 827, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1156, positive: 856, positive conditional: 856, positive unconditional: 0, negative: 300, negative conditional: 300, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961775, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234937, negative conditional: 234937, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 674, Positive cache size: 666, Positive conditional cache size: 0, Positive unconditional cache size: 666, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 1127, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1957231, positive: 1723433, positive conditional: 1723433, positive unconditional: 0, negative: 233798, negative conditional: 233798, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1961775, positive: 1726838, positive conditional: 1726838, positive unconditional: 0, negative: 234937, negative conditional: 234937, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1750672, positive: 1726838, positive conditional: 0, positive unconditional: 1726838, negative: 23834, negative conditional: 0, negative unconditional: 23834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5399, positive: 5320, positive conditional: 0, positive unconditional: 5320, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1750672, positive: 1721518, positive conditional: 0, positive unconditional: 1721518, negative: 23755, negative conditional: 0, negative unconditional: 23755, unknown: 5399, unknown conditional: 0, unknown unconditional: 5399] , Statistics on independence cache: Total cache size (in pairs): 5399, Positive cache size: 5320, Positive conditional cache size: 0, Positive unconditional cache size: 5320, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Independence queries for same thread: 211103, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 17056, positive: 15023, positive conditional: 15023, positive unconditional: 0, negative: 2033, negative conditional: 2033, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17056, positive: 15023, positive conditional: 15023, positive unconditional: 0, negative: 2033, negative conditional: 2033, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15023, positive: 15023, positive conditional: 0, positive unconditional: 15023, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1065, positive: 1065, positive conditional: 0, positive unconditional: 1065, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 15023, positive: 13958, positive conditional: 0, positive unconditional: 13958, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1065, unknown conditional: 0, unknown unconditional: 1065] , Statistics on independence cache: Total cache size (in pairs): 1065, Positive cache size: 1065, Positive conditional cache size: 0, Positive unconditional cache size: 1065, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2033, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 252, positive: 203, positive conditional: 203, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 252, positive: 203, positive conditional: 203, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 203, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 203, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 49, Statistics for Abstraction: - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 12.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 12.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 1183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 12.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 12.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 269 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-10 11:40:48,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:48,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:48,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Ended with exit code 0 [2022-10-10 11:40:49,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Ended with exit code 0 [2022-10-10 11:40:49,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:49,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:49,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:49,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:50,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:50,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:50,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:50,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-10 11:40:50,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:51,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:51,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-10 11:40:51,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...