/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.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.trace.refinement.strategy BADGER -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/pthread-wmm/safe005_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 22:06:19,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 22:06:19,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 22:06:19,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 22:06:19,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 22:06:19,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 22:06:19,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 22:06:19,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 22:06:19,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 22:06:19,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 22:06:19,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 22:06:19,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 22:06:19,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 22:06:19,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 22:06:19,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 22:06:19,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 22:06:19,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 22:06:19,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 22:06:19,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 22:06:19,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 22:06:19,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 22:06:19,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 22:06:19,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 22:06:19,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 22:06:19,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 22:06:19,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 22:06:19,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 22:06:19,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 22:06:19,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 22:06:19,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-14 22:06:19,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 22:06:19,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 22:06:19,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 22:06:19,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 22:06:19,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 22:06:19,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 22:06:19,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 22:06:19,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 22:06:19,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 22:06:19,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 22:06:19,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 22:06:19,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 22:06:19,787 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 22:06:19,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 22:06:19,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 22:06:19,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 22:06:19,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 22:06:19,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 22:06:19,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 22:06:19,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 22:06:19,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 22:06:19,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 22:06:19,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 22:06:19,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:06:19,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 22:06:19,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 22:06:19,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 22:06:20,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 22:06:20,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 22:06:20,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 22:06:20,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 22:06:20,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 22:06:20,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2022-11-14 22:06:20,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/724ec175b/966d4a571f984b5c8c8c880b6ecbc251/FLAGd1011175b [2022-11-14 22:06:20,465 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 22:06:20,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2022-11-14 22:06:20,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/724ec175b/966d4a571f984b5c8c8c880b6ecbc251/FLAGd1011175b [2022-11-14 22:06:20,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/724ec175b/966d4a571f984b5c8c8c880b6ecbc251 [2022-11-14 22:06:20,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 22:06:20,831 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 22:06:20,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 22:06:20,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 22:06:20,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 22:06:20,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:06:20" (1/1) ... [2022-11-14 22:06:20,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de96787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:20, skipping insertion in model container [2022-11-14 22:06:20,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:06:20" (1/1) ... [2022-11-14 22:06:20,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 22:06:20,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 22:06:21,043 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i[945,958] [2022-11-14 22:06:21,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:06:21,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 22:06:21,146 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i[945,958] [2022-11-14 22:06:21,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:06:21,226 INFO L208 MainTranslator]: Completed translation [2022-11-14 22:06:21,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21 WrapperNode [2022-11-14 22:06:21,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 22:06:21,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 22:06:21,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 22:06:21,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 22:06:21,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,279 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-14 22:06:21,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 22:06:21,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 22:06:21,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 22:06:21,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 22:06:21,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 22:06:21,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 22:06:21,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 22:06:21,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 22:06:21,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (1/1) ... [2022-11-14 22:06:21,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:06:21,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:06:21,364 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) [2022-11-14 22:06:21,391 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 [2022-11-14 22:06:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 22:06:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 22:06:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 22:06:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 22:06:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 22:06:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 22:06:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 22:06:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 22:06:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 22:06:21,411 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 22:06:21,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 22:06:21,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 22:06:21,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 22:06:21,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 22:06:21,756 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 22:06:21,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:06:21 BoogieIcfgContainer [2022-11-14 22:06:21,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 22:06:21,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 22:06:21,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 22:06:21,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 22:06:21,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:06:20" (1/3) ... [2022-11-14 22:06:21,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881d589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:06:21, skipping insertion in model container [2022-11-14 22:06:21,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:06:21" (2/3) ... [2022-11-14 22:06:21,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881d589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:06:21, skipping insertion in model container [2022-11-14 22:06:21,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:06:21" (3/3) ... [2022-11-14 22:06:21,766 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2022-11-14 22:06:21,771 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 22:06:21,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 22:06:21,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 22:06:21,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 22:06:21,855 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 22:06:21,901 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:21,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:06:21,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:06:21,905 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) [2022-11-14 22:06:21,942 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 [2022-11-14 22:06:21,956 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:06:21,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2022-11-14 22:06:21,985 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;@1e7087de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:21,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:06:22,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:22,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:22,206 INFO L85 PathProgramCache]: Analyzing trace with hash 195088098, now seen corresponding path program 1 times [2022-11-14 22:06:22,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:22,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940046013] [2022-11-14 22:06:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:22,553 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:22,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940046013] [2022-11-14 22:06:22,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940046013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:22,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:22,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:06:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338242353] [2022-11-14 22:06:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:22,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:06:22,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:06:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:06:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:22,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-11-14 22:06:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 22:06:22,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:22,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1760843451, now seen corresponding path program 1 times [2022-11-14 22:06:22,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:22,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11612583] [2022-11-14 22:06:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:22,712 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:22,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11612583] [2022-11-14 22:06:22,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11612583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:22,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:22,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:22,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802724545] [2022-11-14 22:06:22,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:22,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:06:22,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:22,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:06:22,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:06:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:22,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-14 22:06:22,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 22:06:22,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:22,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:22,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1631760731, now seen corresponding path program 1 times [2022-11-14 22:06:22,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:22,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872343263] [2022-11-14 22:06:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:22,816 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872343263] [2022-11-14 22:06:22,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872343263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:22,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:22,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587147574] [2022-11-14 22:06:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:22,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:06:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:06:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:06:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:22,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-14 22:06:22,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 22:06:22,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:22,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:22,849 INFO L85 PathProgramCache]: Analyzing trace with hash -917417214, now seen corresponding path program 1 times [2022-11-14 22:06:22,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:22,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259734089] [2022-11-14 22:06:22,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:22,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:22,931 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:22,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259734089] [2022-11-14 22:06:22,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259734089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:22,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:22,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:22,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989124337] [2022-11-14 22:06:22,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:22,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:06:22,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:22,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:06:22,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:06:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:22,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:22,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2022-11-14 22:06:22,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:22,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:22,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:06:23,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:06:23,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:06:23,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 22:06:23,523 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:06:23,524 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2022-11-14 22:06:23,527 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:23,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:06:23,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:06:23,529 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) [2022-11-14 22:06:23,541 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 [2022-11-14 22:06:23,543 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:06:23,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 22:06:23,544 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;@1e7087de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:23,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 22:06:23,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 22:06:23,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 22:06:23,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 22:06:23,584 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 22:06:23,584 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-14 22:06:23,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:23,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:06:23,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:06:23,617 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) [2022-11-14 22:06:23,618 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 [2022-11-14 22:06:23,620 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:06:23,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2022-11-14 22:06:23,621 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;@1e7087de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:23,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:06:23,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:23,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash 83577946, now seen corresponding path program 1 times [2022-11-14 22:06:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:23,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443057395] [2022-11-14 22:06:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:23,717 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:23,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443057395] [2022-11-14 22:06:23,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443057395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:23,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:23,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:06:23,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237314009] [2022-11-14 22:06:23,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:23,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:06:23,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:23,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:06:23,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:06:23,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:23,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-14 22:06:23,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 22:06:23,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:23,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash 611389911, now seen corresponding path program 1 times [2022-11-14 22:06:23,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:23,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391784479] [2022-11-14 22:06:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:23,766 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391784479] [2022-11-14 22:06:23,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391784479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:23,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:23,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:06:23,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139549050] [2022-11-14 22:06:23,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:23,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:06:23,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:23,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:06:23,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:06:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:23,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-14 22:06:23,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 22:06:23,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:23,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash 611389912, now seen corresponding path program 1 times [2022-11-14 22:06:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:23,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528248924] [2022-11-14 22:06:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:23,815 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:23,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528248924] [2022-11-14 22:06:23,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528248924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:23,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:23,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:06:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828282648] [2022-11-14 22:06:23,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:23,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:06:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:06:23,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:06:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:23,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-14 22:06:23,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 22:06:23,883 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:23,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:23,883 INFO L85 PathProgramCache]: Analyzing trace with hash -765033326, now seen corresponding path program 1 times [2022-11-14 22:06:23,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:23,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774174033] [2022-11-14 22:06:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:23,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:23,982 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:23,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774174033] [2022-11-14 22:06:23,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774174033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:23,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:23,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:23,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276684773] [2022-11-14 22:06:23,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:23,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:06:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:23,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:06:23,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:06:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:23,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:23,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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) [2022-11-14 22:06:23,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:23,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:23,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:06:24,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:06:24,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:06:24,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 22:06:24,235 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:06:24,236 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2022-11-14 22:06:24,237 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:06:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:06:24,240 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) [2022-11-14 22:06:24,241 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 [2022-11-14 22:06:24,246 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:06:24,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2022-11-14 22:06:24,246 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;@1e7087de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:06:24,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:06:24,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:24,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:24,281 INFO L85 PathProgramCache]: Analyzing trace with hash -600068462, now seen corresponding path program 1 times [2022-11-14 22:06:24,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:24,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734607343] [2022-11-14 22:06:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:24,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:24,298 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:24,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734607343] [2022-11-14 22:06:24,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734607343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:24,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:24,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 22:06:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130334106] [2022-11-14 22:06:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:24,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:06:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:24,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:06:24,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:06:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:24,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-14 22:06:24,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 22:06:24,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:24,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:24,336 INFO L85 PathProgramCache]: Analyzing trace with hash -358370397, now seen corresponding path program 1 times [2022-11-14 22:06:24,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:24,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209929713] [2022-11-14 22:06:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:24,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:24,376 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:24,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209929713] [2022-11-14 22:06:24,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209929713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:24,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:24,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871329918] [2022-11-14 22:06:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:24,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:06:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:06:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:06:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:24,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-11-14 22:06:24,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:06:24,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 22:06:24,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:06:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:06:24,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1794052631, now seen corresponding path program 1 times [2022-11-14 22:06:24,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:06:24,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763795656] [2022-11-14 22:06:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:06:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:06:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:06:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:06:24,521 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:06:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763795656] [2022-11-14 22:06:24,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763795656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:06:24,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:06:24,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:06:24,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144391506] [2022-11-14 22:06:24,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:06:24,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:06:24,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:06:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:06:24,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:06:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:06:24,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-14 22:06:24,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:06:24,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:06:24,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:06:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:06:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:06:24,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:06:24,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:06:24,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 22:06:24,727 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 22:06:24,728 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE (4/4) [2022-11-14 22:06:24,729 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 22:06:24,729 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 22:06:24,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:06:24 BasicIcfg [2022-11-14 22:06:24,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 22:06:24,733 INFO L158 Benchmark]: Toolchain (without parser) took 3902.29ms. Allocated memory was 202.4MB in the beginning and 423.6MB in the end (delta: 221.2MB). Free memory was 172.3MB in the beginning and 356.9MB in the end (delta: -184.6MB). Peak memory consumption was 200.4MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,733 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 22:06:24,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.92ms. Allocated memory was 202.4MB in the beginning and 338.7MB in the end (delta: 136.3MB). Free memory was 172.1MB in the beginning and 297.0MB in the end (delta: -124.9MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.11ms. Allocated memory is still 338.7MB. Free memory was 297.0MB in the beginning and 294.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,733 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 338.7MB. Free memory was 294.9MB in the beginning and 293.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,734 INFO L158 Benchmark]: RCFGBuilder took 437.61ms. Allocated memory is still 338.7MB. Free memory was 293.4MB in the beginning and 278.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,734 INFO L158 Benchmark]: TraceAbstraction took 2973.08ms. Allocated memory was 338.7MB in the beginning and 423.6MB in the end (delta: 84.9MB). Free memory was 277.6MB in the beginning and 356.9MB in the end (delta: -79.2MB). Peak memory consumption was 170.8MB. Max. memory is 8.0GB. [2022-11-14 22:06:24,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.92ms. Allocated memory was 202.4MB in the beginning and 338.7MB in the end (delta: 136.3MB). Free memory was 172.1MB in the beginning and 297.0MB in the end (delta: -124.9MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.11ms. Allocated memory is still 338.7MB. Free memory was 297.0MB in the beginning and 294.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 338.7MB. Free memory was 294.9MB in the beginning and 293.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 437.61ms. Allocated memory is still 338.7MB. Free memory was 293.4MB in the beginning and 278.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2973.08ms. Allocated memory was 338.7MB in the beginning and 423.6MB in the end (delta: 84.9MB). Free memory was 277.6MB in the beginning and 356.9MB in the end (delta: -79.2MB). Peak memory consumption was 170.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14778, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 961, dependent conditional: 925, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14119, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 302, dependent conditional: 266, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14119, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 302, dependent conditional: 266, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 896, dependent unconditional: 478, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 18, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 18, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1963, independent: 1925, independent conditional: 12, independent unconditional: 1913, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1963, independent: 1891, independent conditional: 0, independent unconditional: 1891, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 113, independent conditional: 19, independent unconditional: 94, dependent: 99, dependent conditional: 4, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15191, independent: 11892, independent conditional: 164, independent unconditional: 11728, dependent: 1336, dependent conditional: 16, dependent unconditional: 1320, unknown: 1963, unknown conditional: 14, unknown unconditional: 1949] , Statistics on independence cache: Total cache size (in pairs): 1963, Positive cache size: 1925, Positive conditional cache size: 12, Positive unconditional cache size: 1913, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 878, Maximal queried relation: 4, Independence queries for same thread: 659 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2064, Number of trivial persistent sets: 1835, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1941, independent: 1905, independent conditional: 0, independent unconditional: 1905, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14778, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 961, dependent conditional: 925, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14119, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 302, dependent conditional: 266, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14119, independent: 13817, independent conditional: 11912, independent unconditional: 1905, dependent: 302, dependent conditional: 266, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 896, dependent unconditional: 478, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 18, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15191, independent: 13817, independent conditional: 176, independent unconditional: 13641, dependent: 1374, dependent conditional: 18, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1963, independent: 1925, independent conditional: 12, independent unconditional: 1913, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1963, independent: 1891, independent conditional: 0, independent unconditional: 1891, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 113, independent conditional: 19, independent unconditional: 94, dependent: 99, dependent conditional: 4, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15191, independent: 11892, independent conditional: 164, independent unconditional: 11728, dependent: 1336, dependent conditional: 16, dependent unconditional: 1320, unknown: 1963, unknown conditional: 14, unknown unconditional: 1949] , Statistics on independence cache: Total cache size (in pairs): 1963, Positive cache size: 1925, Positive conditional cache size: 12, Positive unconditional cache size: 1913, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 878, Maximal queried relation: 4, Independence queries for same thread: 659 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 585, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 585, independent: 581, independent conditional: 0, independent unconditional: 581, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 612, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 585, unknown conditional: 0, unknown unconditional: 585] , Statistics on independence cache: Total cache size (in pairs): 585, Positive cache size: 583, Positive conditional cache size: 0, Positive unconditional cache size: 583, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 39, Number of trivial persistent sets: 25, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 585, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 27, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 612, independent: 610, independent conditional: 0, independent unconditional: 610, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 585, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 585, independent: 581, independent conditional: 0, independent unconditional: 581, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 612, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 585, unknown conditional: 0, unknown unconditional: 585] , Statistics on independence cache: Total cache size (in pairs): 585, Positive cache size: 583, Positive conditional cache size: 0, Positive unconditional cache size: 583, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12280, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 909, dependent conditional: 873, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11630, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 259, dependent conditional: 223, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11630, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 259, dependent conditional: 223, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 764, dependent unconditional: 451, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 30, dependent unconditional: 1185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 30, dependent unconditional: 1185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1934, independent: 1894, independent conditional: 15, independent unconditional: 1879, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1934, independent: 1857, independent conditional: 0, independent unconditional: 1857, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 101, independent conditional: 17, independent unconditional: 84, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12586, independent: 9477, independent conditional: 177, independent unconditional: 9300, dependent: 1175, dependent conditional: 26, dependent unconditional: 1149, unknown: 1934, unknown conditional: 19, unknown unconditional: 1915] , Statistics on independence cache: Total cache size (in pairs): 1934, Positive cache size: 1894, Positive conditional cache size: 15, Positive unconditional cache size: 1879, Negative cache size: 40, Negative conditional cache size: 4, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 734, Maximal queried relation: 4, Independence queries for same thread: 650 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 1387, Number of trivial persistent sets: 1227, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1907, independent: 1871, independent conditional: 0, independent unconditional: 1871, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12280, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 909, dependent conditional: 873, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11630, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 259, dependent conditional: 223, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11630, independent: 11371, independent conditional: 9500, independent unconditional: 1871, dependent: 259, dependent conditional: 223, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 764, dependent unconditional: 451, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 30, dependent unconditional: 1185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12586, independent: 11371, independent conditional: 192, independent unconditional: 11179, dependent: 1215, dependent conditional: 30, dependent unconditional: 1185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1934, independent: 1894, independent conditional: 15, independent unconditional: 1879, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1934, independent: 1857, independent conditional: 0, independent unconditional: 1857, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 101, independent conditional: 17, independent unconditional: 84, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12586, independent: 9477, independent conditional: 177, independent unconditional: 9300, dependent: 1175, dependent conditional: 26, dependent unconditional: 1149, unknown: 1934, unknown conditional: 19, unknown unconditional: 1915] , Statistics on independence cache: Total cache size (in pairs): 1934, Positive cache size: 1894, Positive conditional cache size: 15, Positive unconditional cache size: 1879, Negative cache size: 40, Negative conditional cache size: 4, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 734, Maximal queried relation: 4, Independence queries for same thread: 650 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16638, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 1087, dependent conditional: 1051, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15874, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 323, dependent conditional: 287, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15874, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 323, dependent conditional: 287, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 745, dependent unconditional: 598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 101, dependent unconditional: 1242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 101, dependent unconditional: 1242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1907, independent: 1865, independent conditional: 20, independent unconditional: 1845, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1907, independent: 1823, independent conditional: 0, independent unconditional: 1823, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 84, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 56, independent conditional: 19, independent unconditional: 37, dependent: 37, dependent conditional: 8, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16894, independent: 13686, independent conditional: 255, independent unconditional: 13431, dependent: 1301, dependent conditional: 95, dependent unconditional: 1206, unknown: 1907, unknown conditional: 26, unknown unconditional: 1881] , Statistics on independence cache: Total cache size (in pairs): 1907, Positive cache size: 1865, Positive conditional cache size: 20, Positive unconditional cache size: 1845, Negative cache size: 42, Negative conditional cache size: 6, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 644, Maximal queried relation: 3, Independence queries for same thread: 764 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 1782, Number of trivial persistent sets: 1593, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1873, independent: 1837, independent conditional: 0, independent unconditional: 1837, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16638, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 1087, dependent conditional: 1051, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15874, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 323, dependent conditional: 287, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15874, independent: 15551, independent conditional: 13714, independent unconditional: 1837, dependent: 323, dependent conditional: 287, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 745, dependent unconditional: 598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 101, dependent unconditional: 1242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16894, independent: 15551, independent conditional: 275, independent unconditional: 15276, dependent: 1343, dependent conditional: 101, dependent unconditional: 1242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1907, independent: 1865, independent conditional: 20, independent unconditional: 1845, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1907, independent: 1823, independent conditional: 0, independent unconditional: 1823, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 84, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 56, independent conditional: 19, independent unconditional: 37, dependent: 37, dependent conditional: 8, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16894, independent: 13686, independent conditional: 255, independent unconditional: 13431, dependent: 1301, dependent conditional: 95, dependent unconditional: 1206, unknown: 1907, unknown conditional: 26, unknown unconditional: 1881] , Statistics on independence cache: Total cache size (in pairs): 1907, Positive cache size: 1865, Positive conditional cache size: 20, Positive unconditional cache size: 1845, Negative cache size: 42, Negative conditional cache size: 6, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 644, Maximal queried relation: 3, Independence queries for same thread: 764 - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: 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: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 126 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, 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: 16, 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, 0.4s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 126 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 errors in thread instance: P1Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 126 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, 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: 16, 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, 0.2s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 errors in thread instance: P0Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 126 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, 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: 12, 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, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 342 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-14 22:06:24,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-11-14 22:06:24,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-11-14 22:06:25,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-14 22:06:25,374 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 [2022-11-14 22:06:25,580 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...