/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 15:36:11,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 15:36:11,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 15:36:11,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 15:36:11,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 15:36:11,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 15:36:11,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 15:36:11,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 15:36:11,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 15:36:11,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 15:36:11,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 15:36:11,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 15:36:11,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 15:36:11,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 15:36:11,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 15:36:11,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 15:36:11,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 15:36:11,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 15:36:11,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 15:36:11,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 15:36:11,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 15:36:11,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 15:36:11,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 15:36:11,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 15:36:11,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 15:36:11,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 15:36:11,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 15:36:11,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 15:36:11,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 15:36:11,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 15:36:11,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 15:36:11,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 15:36:11,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 15:36:11,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 15:36:11,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 15:36:11,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 15:36:11,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 15:36:11,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 15:36:11,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 15:36:11,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 15:36:11,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 15:36:11,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 15:36:11,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 15:36:11,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 15:36:11,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 15:36:11,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 15:36:11,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 15:36:11,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 15:36:11,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 15:36:11,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 15:36:11,686 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 15:36:11,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 15:36:11,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 15:36:11,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 15:36:11,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:36:11,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 15:36:11,689 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 15:36:11,690 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 15:36:11,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 15:36:11,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 15:36:11,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 15:36:11,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 15:36:11,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 15:36:11,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2022-11-15 15:36:11,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a253aa/c01a99d9f61a45de8f9901704e544667/FLAGe6c4c337f [2022-11-15 15:36:12,281 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 15:36:12,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2022-11-15 15:36:12,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a253aa/c01a99d9f61a45de8f9901704e544667/FLAGe6c4c337f [2022-11-15 15:36:12,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18a253aa/c01a99d9f61a45de8f9901704e544667 [2022-11-15 15:36:12,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 15:36:12,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 15:36:12,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 15:36:12,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 15:36:12,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 15:36:12,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178127c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12, skipping insertion in model container [2022-11-15 15:36:12,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 15:36:12,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 15:36:12,432 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-15 15:36:12,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:36:12,440 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 15:36:12,453 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-15 15:36:12,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:36:12,472 INFO L208 MainTranslator]: Completed translation [2022-11-15 15:36:12,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12 WrapperNode [2022-11-15 15:36:12,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 15:36:12,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 15:36:12,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 15:36:12,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 15:36:12,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,503 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 143 [2022-11-15 15:36:12,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 15:36:12,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 15:36:12,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 15:36:12,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 15:36:12,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 15:36:12,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 15:36:12,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 15:36:12,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 15:36:12,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (1/1) ... [2022-11-15 15:36:12,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:36:12,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:36:12,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-15 15:36:12,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-15 15:36:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 15:36:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 15:36:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 15:36:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 15:36:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 15:36:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 15:36:12,602 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 15:36:12,694 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 15:36:12,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 15:36:12,914 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 15:36:12,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 15:36:12,926 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-15 15:36:12,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:36:12 BoogieIcfgContainer [2022-11-15 15:36:12,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 15:36:12,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 15:36:12,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 15:36:12,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 15:36:12,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 03:36:12" (1/3) ... [2022-11-15 15:36:12,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0b766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:36:12, skipping insertion in model container [2022-11-15 15:36:12,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:36:12" (2/3) ... [2022-11-15 15:36:12,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0b766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:36:12, skipping insertion in model container [2022-11-15 15:36:12,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:36:12" (3/3) ... [2022-11-15 15:36:12,934 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2022-11-15 15:36:12,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 15:36:12,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 15:36:12,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-15 15:36:12,960 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 15:36:13,064 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 15:36:13,111 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 15:36:13,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 15:36:13,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:36:13,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 15:36:13,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-15 15:36:13,190 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 15:36:13,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 15:36:13,211 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;@126908de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 15:36:13,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 15:36:13,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 15:36:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:36:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1950464208, now seen corresponding path program 1 times [2022-11-15 15:36:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:36:13,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302665710] [2022-11-15 15:36:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:13,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:36:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:13,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:36:13,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302665710] [2022-11-15 15:36:13,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302665710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:36:13,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:36:13,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 15:36:13,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544226571] [2022-11-15 15:36:13,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:36:13,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 15:36:13,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:36:13,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 15:36:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 15:36:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:36:13,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 15:36:13,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 15:36:13,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 15:36:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:36:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash -290304764, now seen corresponding path program 1 times [2022-11-15 15:36:13,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:36:13,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951185445] [2022-11-15 15:36:13,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:36:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:13,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:36:13,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951185445] [2022-11-15 15:36:13,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951185445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:36:13,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:36:13,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 15:36:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299395040] [2022-11-15 15:36:13,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:36:13,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 15:36:13,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:36:13,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 15:36:13,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 15:36:13,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:36:13,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 15:36:13,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:13,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 15:36:13,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 15:36:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:36:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1298375306, now seen corresponding path program 1 times [2022-11-15 15:36:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:36:13,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081194471] [2022-11-15 15:36:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:36:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:13,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:36:13,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081194471] [2022-11-15 15:36:13,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081194471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:36:13,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960549071] [2022-11-15 15:36:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:36:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:36:13,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:36:13,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 15:36:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:14,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 15:36:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:36:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:14,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:36:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:14,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960549071] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:36:14,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:36:14,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-15 15:36:14,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142701579] [2022-11-15 15:36:14,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:36:14,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 15:36:14,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:36:14,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 15:36:14,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-15 15:36:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:36:14,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 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) [2022-11-15 15:36:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 15:36:14,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 15:36:14,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-15 15:36:14,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 15:36:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:36:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1594928471, now seen corresponding path program 1 times [2022-11-15 15:36:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:36:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144170337] [2022-11-15 15:36:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:36:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:36:14,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144170337] [2022-11-15 15:36:14,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144170337] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:36:14,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922591029] [2022-11-15 15:36:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:14,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:36:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:36:14,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:36:14,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 15:36:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:14,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 15:36:14,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:36:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:14,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 15:36:14,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922591029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:36:14,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 15:36:14,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-15 15:36:14,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433988184] [2022-11-15 15:36:14,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:36:14,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 15:36:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:36:14,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 15:36:14,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-15 15:36:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:36:14,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 15:36:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 15:36:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 15:36:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 15:36:14,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 15:36:15,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:36:15,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 15:36:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:36:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 377453956, now seen corresponding path program 2 times [2022-11-15 15:36:15,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:36:15,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333489695] [2022-11-15 15:36:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:36:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:36:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:36:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:36:15,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:36:15,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333489695] [2022-11-15 15:36:15,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333489695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:36:15,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564165843] [2022-11-15 15:36:15,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 15:36:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:36:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:36:15,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:36:15,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 15:36:15,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-15 15:36:15,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 15:36:15,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-15 15:36:15,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:36:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 15:36:15,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:36:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 15:36:15,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564165843] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:36:15,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:36:15,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-11-15 15:36:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082236321] [2022-11-15 15:36:15,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:36:15,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 15:36:15,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:36:15,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 15:36:15,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-11-15 15:36:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:15,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:36:15,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 18 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 15:36:15,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:15,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:15,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 15:36:15,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 15:36:15,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:36:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 15:36:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:36:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 15:36:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 15:36:16,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-15 15:36:16,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-15 15:36:16,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-15 15:36:16,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-15 15:36:16,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 15:36:16,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:36:16,281 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-11-15 15:36:16,283 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 15:36:16,283 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 15:36:16,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 03:36:16 BasicIcfg [2022-11-15 15:36:16,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 15:36:16,285 INFO L158 Benchmark]: Toolchain (without parser) took 3987.55ms. Allocated memory was 212.9MB in the beginning and 266.3MB in the end (delta: 53.5MB). Free memory was 160.4MB in the beginning and 161.6MB in the end (delta: -1.1MB). Peak memory consumption was 52.8MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,288 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 15:36:16,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.45ms. Allocated memory is still 212.9MB. Free memory was 160.3MB in the beginning and 186.6MB in the end (delta: -26.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.49ms. Allocated memory is still 212.9MB. Free memory was 186.6MB in the beginning and 184.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,292 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 212.9MB. Free memory was 184.5MB in the beginning and 183.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,292 INFO L158 Benchmark]: RCFGBuilder took 405.49ms. Allocated memory is still 212.9MB. Free memory was 183.1MB in the beginning and 166.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,292 INFO L158 Benchmark]: TraceAbstraction took 3356.36ms. Allocated memory was 212.9MB in the beginning and 266.3MB in the end (delta: 53.5MB). Free memory was 165.6MB in the beginning and 161.6MB in the end (delta: 4.0MB). Peak memory consumption was 57.9MB. Max. memory is 8.0GB. [2022-11-15 15:36:16,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 174.45ms. Allocated memory is still 212.9MB. Free memory was 160.3MB in the beginning and 186.6MB in the end (delta: -26.3MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.49ms. Allocated memory is still 212.9MB. Free memory was 186.6MB in the beginning and 184.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 212.9MB. Free memory was 184.5MB in the beginning and 183.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 405.49ms. Allocated memory is still 212.9MB. Free memory was 183.1MB in the beginning and 166.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3356.36ms. Allocated memory was 212.9MB in the beginning and 266.3MB in the end (delta: 53.5MB). Free memory was 165.6MB in the beginning and 161.6MB in the end (delta: 4.0MB). Peak memory consumption was 57.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 543, independent: 535, independent conditional: 5, independent unconditional: 530, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 543, independent: 535, independent conditional: 5, independent unconditional: 530, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 14, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 553, independent: 540, independent conditional: 10, independent unconditional: 530, dependent: 13, dependent conditional: 12, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 26, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 554, independent: 540, independent conditional: 10, independent unconditional: 530, dependent: 14, dependent conditional: 13, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 39, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 583, independent: 555, independent conditional: 25, independent unconditional: 530, dependent: 28, dependent conditional: 27, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 66, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 602, independent: 565, independent conditional: 35, independent unconditional: 530, dependent: 37, dependent conditional: 36, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 102, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 75, Number of trivial persistent sets: 69, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 543, independent: 535, independent conditional: 5, independent unconditional: 530, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 75, Number of trivial persistent sets: 69, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 543, independent: 535, independent conditional: 5, independent unconditional: 530, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 14, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 78, Number of trivial persistent sets: 72, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 553, independent: 540, independent conditional: 10, independent unconditional: 530, dependent: 13, dependent conditional: 12, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 26, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 78, Number of trivial persistent sets: 72, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 554, independent: 540, independent conditional: 10, independent unconditional: 530, dependent: 14, dependent conditional: 13, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 39, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 78, Number of trivial persistent sets: 72, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 583, independent: 555, independent conditional: 25, independent unconditional: 530, dependent: 28, dependent conditional: 27, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 514, Positive cache size: 513, Positive conditional cache size: 0, Positive unconditional cache size: 513, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 66, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 78, Number of trivial persistent sets: 72, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 602, independent: 565, independent conditional: 35, independent unconditional: 530, dependent: 37, dependent conditional: 36, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3378, independent: 3270, independent conditional: 90, independent unconditional: 3180, dependent: 108, dependent conditional: 102, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3276, independent: 3270, independent conditional: 0, independent unconditional: 3270, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3276, independent: 2730, independent conditional: 0, independent unconditional: 2730, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 102, Statistics for Abstraction: - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 233 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, 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: 60, 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, 0.9s InterpolantComputationTime, 569 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 718 ConstructedInterpolants, 0 QuantifiedInterpolants, 1252 SizeOfPredicates, 12 NumberOfNonLiveVariables, 424 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 123/266 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 15:36:16,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-15 15:36:16,513 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...