/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 -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/safe006_power.oepc-thin000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:37:31,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:37:31,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:37:31,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:37:31,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:37:31,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:37:31,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:37:31,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:37:31,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:37:31,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:37:31,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:37:31,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:37:31,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:37:31,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:37:31,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:37:31,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:37:31,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:37:31,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:37:31,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:37:31,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:37:31,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:37:31,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:37:31,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:37:31,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:37:31,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:37:31,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:37:31,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:37:31,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:37:31,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:37:31,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:37:31,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:37:31,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:37:31,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:37:31,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:37:31,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:37:31,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:37:31,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:37:31,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:37:31,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:37:31,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:37:31,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:37:31,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:37:31,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:37:31,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:37:31,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:37:31,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:37:31,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:37:31,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:37:31,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:37:31,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:37:31,254 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:37:31,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:37:31,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:37:31,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:37:31,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:37:31,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:37:31,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:37:31,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:37:31,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:37:31,258 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:37:31,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:37:31,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:37:31,258 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:37:31,258 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:37:31,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:37:31,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:37:31,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:37:31,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:37:31,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:37:31,436 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:37:31,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-09-16 12:37:31,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abd083f3/d2edbe240fef4bd69c513b987bbe7f3f/FLAG7fc007151 [2022-09-16 12:37:31,876 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:37:31,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i [2022-09-16 12:37:31,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abd083f3/d2edbe240fef4bd69c513b987bbe7f3f/FLAG7fc007151 [2022-09-16 12:37:32,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abd083f3/d2edbe240fef4bd69c513b987bbe7f3f [2022-09-16 12:37:32,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:37:32,273 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:37:32,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:37:32,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:37:32,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:37:32,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b40f603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32, skipping insertion in model container [2022-09-16 12:37:32,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:37:32,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:37:32,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-09-16 12:37:32,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:37:32,607 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:37:32,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.oepc-thin000_power.oepc.i[1014,1027] [2022-09-16 12:37:32,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:37:32,705 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:37:32,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32 WrapperNode [2022-09-16 12:37:32,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:37:32,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:37:32,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:37:32,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:37:32,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,755 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2022-09-16 12:37:32,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:37:32,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:37:32,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:37:32,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:37:32,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:37:32,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:37:32,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:37:32,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:37:32,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (1/1) ... [2022-09-16 12:37:32,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:37:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:37:32,808 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) [2022-09-16 12:37:32,816 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 [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:37:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 12:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 12:37:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 12:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 12:37:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:37:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 12:37:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:37:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:37:32,840 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:37:32,958 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:37:32,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:37:33,300 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:37:33,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:37:33,659 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 12:37:33,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:37:33 BoogieIcfgContainer [2022-09-16 12:37:33,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:37:33,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:37:33,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:37:33,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:37:33,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:37:32" (1/3) ... [2022-09-16 12:37:33,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d274c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:37:33, skipping insertion in model container [2022-09-16 12:37:33,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:37:32" (2/3) ... [2022-09-16 12:37:33,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d274c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:37:33, skipping insertion in model container [2022-09-16 12:37:33,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:37:33" (3/3) ... [2022-09-16 12:37:33,666 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.oepc-thin000_power.oepc.i [2022-09-16 12:37:33,672 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:37:33,678 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:37:33,678 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 12:37:33,679 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:37:33,734 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 12:37:33,775 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:33,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:37:33,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:37:33,777 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) [2022-09-16 12:37:33,778 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 [2022-09-16 12:37:33,796 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:37:33,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-09-16 12:37:33,808 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;@52700c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:33,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-16 12:37:34,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-09-16 12:37:34,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-09-16 12:37:34,190 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-16 12:37:34,192 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/3) [2022-09-16 12:37:34,199 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:34,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:37:34,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:37:34,202 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) [2022-09-16 12:37:34,203 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 [2022-09-16 12:37:34,240 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:37:34,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork1 ======== [2022-09-16 12:37:34,241 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;@52700c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:34,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-16 12:37:35,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:35,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1707612232, now seen corresponding path program 1 times [2022-09-16 12:37:35,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:35,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142934553] [2022-09-16 12:37:35,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:35,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:36,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:36,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142934553] [2022-09-16 12:37:36,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142934553] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:36,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:36,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:37:36,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003926812] [2022-09-16 12:37:36,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:36,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:37:36,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:37:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:37:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:36,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:36,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2022-09-16 12:37:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:36,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:36,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:37:36,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:36,391 INFO L85 PathProgramCache]: Analyzing trace with hash -614040773, now seen corresponding path program 1 times [2022-09-16 12:37:36,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:36,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294521716] [2022-09-16 12:37:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:36,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:36,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294521716] [2022-09-16 12:37:36,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294521716] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:36,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:36,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:37:36,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52573184] [2022-09-16 12:37:36,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:36,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:37:36,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:36,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:37:36,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 12:37:36,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:36,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:36,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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) [2022-09-16 12:37:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:36,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:37:36,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -614040772, now seen corresponding path program 1 times [2022-09-16 12:37:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:36,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002211186] [2022-09-16 12:37:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:36,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:36,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002211186] [2022-09-16 12:37:36,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002211186] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:36,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:36,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:37:36,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932635098] [2022-09-16 12:37:36,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:36,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:37:36,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:36,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:37:36,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 12:37:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:36,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:36,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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) [2022-09-16 12:37:36,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:36,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:36,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:39,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:39,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:39,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:39,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-09-16 12:37:39,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-09-16 12:37:39,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 12:37:39,184 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 12:37:39,184 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE,SAFE (2/3) [2022-09-16 12:37:39,186 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:39,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:37:39,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:37:39,188 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) [2022-09-16 12:37:39,189 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 [2022-09-16 12:37:39,191 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:37:39,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork0 ======== [2022-09-16 12:37:39,192 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;@52700c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:37:39,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-16 12:37:39,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:39,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:39,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1916484203, now seen corresponding path program 1 times [2022-09-16 12:37:39,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:39,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184786053] [2022-09-16 12:37:39,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:39,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:39,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184786053] [2022-09-16 12:37:39,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184786053] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:39,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:39,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:37:39,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138021104] [2022-09-16 12:37:39,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:39,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:37:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:39,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:37:39,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:37:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:39,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:39,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-09-16 12:37:39,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:43,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 12:37:43,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:43,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash -592005309, now seen corresponding path program 1 times [2022-09-16 12:37:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:43,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778575956] [2022-09-16 12:37:43,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:43,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:43,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778575956] [2022-09-16 12:37:43,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778575956] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:43,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:43,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:37:43,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819706294] [2022-09-16 12:37:43,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:43,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:37:43,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:43,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:37:43,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 12:37:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:43,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:43,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 12:37:43,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:43,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:43,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:43,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:43,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 12:37:43,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 12:37:43,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:37:43,384 INFO L85 PathProgramCache]: Analyzing trace with hash -592005308, now seen corresponding path program 1 times [2022-09-16 12:37:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:37:43,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126965779] [2022-09-16 12:37:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:37:43,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:37:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:37:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:37:43,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:37:43,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126965779] [2022-09-16 12:37:43,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126965779] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:37:43,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:37:43,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 12:37:43,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877360740] [2022-09-16 12:37:43,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:37:43,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:37:43,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:37:43,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:37:43,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 12:37:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:43,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:37:43,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 12:37:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:37:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:37:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:37:43,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-09-16 12:37:43,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-09-16 12:37:43,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 12:37:43,492 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 12:37:43,493 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork0 was SAFE,SAFE (3/3) [2022-09-16 12:37:43,493 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 12:37:43,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 12:37:43,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:37:43 BasicIcfg [2022-09-16 12:37:43,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 12:37:43,500 INFO L158 Benchmark]: Toolchain (without parser) took 11226.26ms. Allocated memory was 190.8MB in the beginning and 323.0MB in the end (delta: 132.1MB). Free memory was 135.3MB in the beginning and 152.1MB in the end (delta: -16.8MB). Peak memory consumption was 114.7MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,500 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:37:43,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.66ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 135.2MB in the beginning and 191.0MB in the end (delta: -55.8MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.26ms. Allocated memory is still 229.6MB. Free memory was 191.0MB in the beginning and 188.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,501 INFO L158 Benchmark]: Boogie Preprocessor took 21.67ms. Allocated memory is still 229.6MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,501 INFO L158 Benchmark]: RCFGBuilder took 882.84ms. Allocated memory is still 229.6MB. Free memory was 186.3MB in the beginning and 134.4MB in the end (delta: 51.9MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,501 INFO L158 Benchmark]: TraceAbstraction took 9837.36ms. Allocated memory was 229.6MB in the beginning and 323.0MB in the end (delta: 93.3MB). Free memory was 133.3MB in the beginning and 152.1MB in the end (delta: -18.8MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. [2022-09-16 12:37:43,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.66ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 135.2MB in the beginning and 191.0MB in the end (delta: -55.8MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.26ms. Allocated memory is still 229.6MB. Free memory was 191.0MB in the beginning and 188.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.67ms. Allocated memory is still 229.6MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 882.84ms. Allocated memory is still 229.6MB. Free memory was 186.3MB in the beginning and 134.4MB in the end (delta: 51.9MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. * TraceAbstraction took 9837.36ms. Allocated memory was 229.6MB in the beginning and 323.0MB in the end (delta: 93.3MB). Free memory was 133.3MB in the beginning and 152.1MB in the end (delta: -18.8MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 258, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 258, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 258, unknown conditional: 0, unknown unconditional: 258] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 67, Number of trivial persistent sets: 59, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 9, positive unconditional: 252, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 258, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 258, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 258, unknown conditional: 0, unknown unconditional: 258] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2505, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 220, negative conditional: 190, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2389, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 104, negative conditional: 74, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2389, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 104, negative conditional: 74, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 196, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 6, negative unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 6, negative unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1002, positive: 970, positive conditional: 3, positive unconditional: 967, negative: 32, negative conditional: 2, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1002, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4063, positive: 32, positive conditional: 5, positive unconditional: 27, negative: 757, negative conditional: 5, negative unconditional: 752, unknown: 3274, unknown conditional: 0, unknown unconditional: 3274] ], Cache Queries: [ total: 2600, positive: 1315, positive conditional: 12, positive unconditional: 1303, negative: 283, negative conditional: 4, negative unconditional: 279, unknown: 1002, unknown conditional: 5, unknown unconditional: 997] , Statistics on independence cache: Total cache size (in pairs): 1002, Positive cache size: 970, Positive conditional cache size: 3, Positive unconditional cache size: 967, Negative cache size: 32, Negative conditional cache size: 2, Negative unconditional cache size: 30, Eliminated conditions: 190, Maximal queried relation: 3, Independence queries for same thread: 116 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.1s, Number of persistent set computation: 447, Number of trivial persistent sets: 399, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 995, positive: 965, positive conditional: 0, positive unconditional: 965, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2505, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 220, negative conditional: 190, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2389, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 104, negative conditional: 74, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2389, positive: 2285, positive conditional: 1320, positive unconditional: 965, negative: 104, negative conditional: 74, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 196, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 6, negative unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2600, positive: 2285, positive conditional: 15, positive unconditional: 2270, negative: 315, negative conditional: 6, negative unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1002, positive: 970, positive conditional: 3, positive unconditional: 967, negative: 32, negative conditional: 2, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1002, positive: 960, positive conditional: 0, positive unconditional: 960, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4063, positive: 32, positive conditional: 5, positive unconditional: 27, negative: 757, negative conditional: 5, negative unconditional: 752, unknown: 3274, unknown conditional: 0, unknown unconditional: 3274] ], Cache Queries: [ total: 2600, positive: 1315, positive conditional: 12, positive unconditional: 1303, negative: 283, negative conditional: 4, negative unconditional: 279, unknown: 1002, unknown conditional: 5, unknown unconditional: 997] , Statistics on independence cache: Total cache size (in pairs): 1002, Positive cache size: 970, Positive conditional cache size: 3, Positive unconditional cache size: 967, Negative cache size: 32, Negative conditional cache size: 2, Negative unconditional cache size: 30, Eliminated conditions: 190, Maximal queried relation: 3, Independence queries for same thread: 116 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3145, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 252, negative conditional: 222, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3007, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 114, negative conditional: 84, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3007, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 114, negative conditional: 84, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 187, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 9, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 9, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 971, positive: 939, positive conditional: 9, positive unconditional: 930, negative: 32, negative conditional: 2, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 971, positive: 923, positive conditional: 0, positive unconditional: 923, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 16, positive conditional: 9, positive unconditional: 7, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3964, positive: 45, positive conditional: 7, positive unconditional: 38, negative: 604, negative conditional: 2, negative unconditional: 602, unknown: 3315, unknown conditional: 0, unknown unconditional: 3315] ], Cache Queries: [ total: 3229, positive: 1954, positive conditional: 26, positive unconditional: 1928, negative: 304, negative conditional: 7, negative unconditional: 297, unknown: 971, unknown conditional: 11, unknown unconditional: 960] , Statistics on independence cache: Total cache size (in pairs): 971, Positive cache size: 939, Positive conditional cache size: 9, Positive unconditional cache size: 930, Negative cache size: 32, Negative conditional cache size: 2, Negative unconditional cache size: 30, Eliminated conditions: 178, Maximal queried relation: 3, Independence queries for same thread: 138 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.0s, Number of persistent set computation: 283, Number of trivial persistent sets: 237, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 958, positive: 928, positive conditional: 0, positive unconditional: 928, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3145, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 252, negative conditional: 222, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3007, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 114, negative conditional: 84, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3007, positive: 2893, positive conditional: 1965, positive unconditional: 928, negative: 114, negative conditional: 84, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 187, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 9, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3229, positive: 2893, positive conditional: 35, positive unconditional: 2858, negative: 336, negative conditional: 9, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 971, positive: 939, positive conditional: 9, positive unconditional: 930, negative: 32, negative conditional: 2, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 971, positive: 923, positive conditional: 0, positive unconditional: 923, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 16, positive conditional: 9, positive unconditional: 7, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3964, positive: 45, positive conditional: 7, positive unconditional: 38, negative: 604, negative conditional: 2, negative unconditional: 602, unknown: 3315, unknown conditional: 0, unknown unconditional: 3315] ], Cache Queries: [ total: 3229, positive: 1954, positive conditional: 26, positive unconditional: 1928, negative: 304, negative conditional: 7, negative unconditional: 297, unknown: 971, unknown conditional: 11, unknown unconditional: 960] , Statistics on independence cache: Total cache size (in pairs): 971, Positive cache size: 939, Positive conditional cache size: 9, Positive unconditional cache size: 930, Negative cache size: 32, Negative conditional cache size: 2, Negative unconditional cache size: 30, Eliminated conditions: 178, Maximal queried relation: 3, Independence queries for same thread: 138 - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 133 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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: 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: P1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 133 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 133 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 636 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 12:37:43,549 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 [2022-09-16 12:37:43,762 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 [2022-09-16 12:37:43,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-09-16 12:37:44,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...