/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 -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/mix006.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 19:18:00,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 19:18:00,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 19:18:00,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 19:18:00,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 19:18:00,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 19:18:00,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 19:18:00,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 19:18:00,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 19:18:00,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 19:18:00,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 19:18:00,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 19:18:00,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 19:18:00,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 19:18:00,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 19:18:00,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 19:18:00,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 19:18:00,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 19:18:00,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 19:18:00,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 19:18:00,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 19:18:00,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 19:18:00,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 19:18:00,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 19:18:00,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 19:18:00,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 19:18:00,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 19:18:00,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 19:18:00,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 19:18:00,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-14 19:18:00,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-14 19:18:00,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-14 19:18:00,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-14 19:18:00,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-14 19:18:00,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-14 19:18:00,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-14 19:18:00,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-14 19:18:00,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-14 19:18:00,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 19:18:00,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 19:18:00,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 19:18:00,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 19:18:00,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 19:18:00,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 19:18:00,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 19:18:00,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 19:18:00,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 19:18:00,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 19:18:00,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 19:18:00,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 19:18:00,820 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 19:18:00,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 19:18:00,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 19:18:00,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 19:18:00,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 19:18:00,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 19:18:00,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:18:00,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 19:18:00,823 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 19:18:00,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 19:18:00,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 19:18:00,824 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 19:18:00,824 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 19:18:00,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 19:18:01,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 19:18:01,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 19:18:01,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 19:18:01,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 19:18:01,020 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 19:18:01,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2022-11-14 19:18:01,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d55d1d5/ad337dd6a2e3428698d46311cde313aa/FLAG941a70552 [2022-11-14 19:18:01,632 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 19:18:01,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2022-11-14 19:18:01,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d55d1d5/ad337dd6a2e3428698d46311cde313aa/FLAG941a70552 [2022-11-14 19:18:01,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d55d1d5/ad337dd6a2e3428698d46311cde313aa [2022-11-14 19:18:01,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 19:18:01,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 19:18:01,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 19:18:01,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 19:18:01,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 19:18:01,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:18:01" (1/1) ... [2022-11-14 19:18:01,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177414b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:01, skipping insertion in model container [2022-11-14 19:18:01,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:18:01" (1/1) ... [2022-11-14 19:18:01,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 19:18:01,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 19:18:02,094 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/mix006.opt.i[944,957] [2022-11-14 19:18:02,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:18:02,273 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 19:18:02,283 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/mix006.opt.i[944,957] [2022-11-14 19:18:02,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:18:02,361 INFO L208 MainTranslator]: Completed translation [2022-11-14 19:18:02,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02 WrapperNode [2022-11-14 19:18:02,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 19:18:02,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 19:18:02,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 19:18:02,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 19:18:02,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,426 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2022-11-14 19:18:02,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 19:18:02,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 19:18:02,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 19:18:02,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 19:18:02,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 19:18:02,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 19:18:02,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 19:18:02,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 19:18:02,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (1/1) ... [2022-11-14 19:18:02,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:18:02,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:18:02,488 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 19:18:02,499 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 19:18:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 19:18:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 19:18:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 19:18:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 19:18:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 19:18:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 19:18:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 19:18:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 19:18:02,520 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 19:18:02,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 19:18:02,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 19:18:02,891 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 19:18:02,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 19:18:02,994 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 19:18:02,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:18:02 BoogieIcfgContainer [2022-11-14 19:18:02,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 19:18:02,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 19:18:02,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 19:18:03,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 19:18:03,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:18:01" (1/3) ... [2022-11-14 19:18:03,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a335b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:18:03, skipping insertion in model container [2022-11-14 19:18:03,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:02" (2/3) ... [2022-11-14 19:18:03,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a335b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:18:03, skipping insertion in model container [2022-11-14 19:18:03,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:18:02" (3/3) ... [2022-11-14 19:18:03,003 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2022-11-14 19:18:03,008 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 19:18:03,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 19:18:03,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 19:18:03,015 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 19:18:03,080 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 19:18:03,121 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:03,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:18:03,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:18:03,124 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 19:18:03,125 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 19:18:03,153 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:18:03,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2022-11-14 19:18:03,167 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;@496ab453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:03,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:18:03,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:03,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1841686835, now seen corresponding path program 1 times [2022-11-14 19:18:03,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:03,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452788825] [2022-11-14 19:18:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:03,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:03,804 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 19:18:03,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:03,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452788825] [2022-11-14 19:18:03,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452788825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:03,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:03,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:18:03,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656488947] [2022-11-14 19:18:03,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:03,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:18:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:03,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:18:03,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:18:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:03,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:03,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:18:03,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:03,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 19:18:03,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:03,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:03,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1795782864, now seen corresponding path program 1 times [2022-11-14 19:18:03,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:03,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119669926] [2022-11-14 19:18:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:04,058 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 19:18:04,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:04,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119669926] [2022-11-14 19:18:04,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119669926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:04,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:04,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:04,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380443085] [2022-11-14 19:18:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:04,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:18:04,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:18:04,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:18:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:04,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:04,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 19:18:04,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:04,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 19:18:04,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1993625808, now seen corresponding path program 1 times [2022-11-14 19:18:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:04,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289004963] [2022-11-14 19:18:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:04,258 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 19:18:04,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:04,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289004963] [2022-11-14 19:18:04,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289004963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:04,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:04,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:04,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378657896] [2022-11-14 19:18:04,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:04,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:18:04,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:04,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:18:04,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:18:04,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:04,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:04,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 19:18:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 19:18:04,319 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:04,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:04,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1838606669, now seen corresponding path program 1 times [2022-11-14 19:18:04,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:04,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289788178] [2022-11-14 19:18:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:04,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:04,517 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 19:18:04,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:04,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289788178] [2022-11-14 19:18:04,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289788178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:04,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:04,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:04,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795168942] [2022-11-14 19:18:04,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:04,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:18:04,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:04,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:18:04,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:18:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:04,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:04,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 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 19:18:04,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:04,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:04,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:18:05,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:18:05,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:18:05,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 19:18:05,438 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:18:05,439 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2022-11-14 19:18:05,442 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:05,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:18:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:18:05,457 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 19:18:05,458 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 19:18:05,490 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:18:05,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 19:18:05,490 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;@496ab453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:05,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 19:18:05,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 19:18:05,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 19:18:05,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 19:18:05,525 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 19:18:05,526 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-14 19:18:05,527 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:05,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:18:05,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:18:05,530 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 19:18:05,531 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 19:18:05,533 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:18:05,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2022-11-14 19:18:05,534 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;@496ab453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:05,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:18:05,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1043462581, now seen corresponding path program 1 times [2022-11-14 19:18:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:05,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495313092] [2022-11-14 19:18:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:05,633 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 19:18:05,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:05,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495313092] [2022-11-14 19:18:05,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495313092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:05,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:05,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:18:05,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341589019] [2022-11-14 19:18:05,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:05,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:18:05,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:05,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:18:05,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:18:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:05,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) 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) [2022-11-14 19:18:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 19:18:05,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:05,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1102617448, now seen corresponding path program 1 times [2022-11-14 19:18:05,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:05,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173663789] [2022-11-14 19:18:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:05,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:05,716 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 19:18:05,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:05,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173663789] [2022-11-14 19:18:05,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173663789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:05,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:05,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:18:05,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883689613] [2022-11-14 19:18:05,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:05,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:18:05,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:05,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:18:05,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:18:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:05,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) 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 19:18:05,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 19:18:05,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:05,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1102617447, now seen corresponding path program 1 times [2022-11-14 19:18:05,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:05,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196421512] [2022-11-14 19:18:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:05,772 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 19:18:05,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:05,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196421512] [2022-11-14 19:18:05,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196421512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:05,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:05,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:18:05,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739027463] [2022-11-14 19:18:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:05,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:18:05,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:05,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:18:05,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:18:05,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:05,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) 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 19:18:05,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:05,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 19:18:05,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:05,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:05,998 INFO L85 PathProgramCache]: Analyzing trace with hash -112881175, now seen corresponding path program 1 times [2022-11-14 19:18:05,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:05,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961568065] [2022-11-14 19:18:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:06,083 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 19:18:06,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:06,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961568065] [2022-11-14 19:18:06,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961568065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:06,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:06,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:06,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708819827] [2022-11-14 19:18:06,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:06,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:18:06,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:06,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:18:06,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:18:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:06,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:06,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 19:18:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:06,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:18:06,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:18:06,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:18:06,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 19:18:06,511 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:18:06,512 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2022-11-14 19:18:06,513 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:06,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:18:06,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:18:06,516 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 19:18:06,517 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 19:18:06,519 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:18:06,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2022-11-14 19:18:06,519 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;@496ab453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:18:06,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:18:06,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:06,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:06,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1691741103, now seen corresponding path program 1 times [2022-11-14 19:18:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:06,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440817935] [2022-11-14 19:18:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:18:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:06,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440817935] [2022-11-14 19:18:06,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440817935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:06,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:06,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 19:18:06,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88001449] [2022-11-14 19:18:06,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:06,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:18:06,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:06,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:18:06,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:18:06,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:06,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:06,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 19:18:06,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:06,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 19:18:06,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:06,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1279435352, now seen corresponding path program 1 times [2022-11-14 19:18:06,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:06,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177626123] [2022-11-14 19:18:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:06,729 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 19:18:06,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:06,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177626123] [2022-11-14 19:18:06,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177626123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:06,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:06,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:06,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977657162] [2022-11-14 19:18:06,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:06,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:18:06,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:06,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:18:06,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:18:06,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:06,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:06,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 19:18:06,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:06,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:18:07,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 19:18:07,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:18:07,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:18:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2058276785, now seen corresponding path program 1 times [2022-11-14 19:18:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:18:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552714361] [2022-11-14 19:18:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:18:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:18:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:18:07,143 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 19:18:07,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:18:07,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552714361] [2022-11-14 19:18:07,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552714361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:18:07,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:18:07,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:18:07,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28555545] [2022-11-14 19:18:07,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:18:07,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:18:07,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:18:07,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:18:07,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:18:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:07,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:18:07,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 19:18:07,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:07,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:18:07,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:18:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:18:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:18:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:18:07,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:18:07,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:18:07,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 19:18:07,350 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 19:18:07,351 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE (4/4) [2022-11-14 19:18:07,354 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 19:18:07,354 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 19:18:07,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:18:07 BasicIcfg [2022-11-14 19:18:07,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 19:18:07,358 INFO L158 Benchmark]: Toolchain (without parser) took 5523.25ms. Allocated memory was 194.0MB in the beginning and 400.6MB in the end (delta: 206.6MB). Free memory was 165.4MB in the beginning and 211.4MB in the end (delta: -45.9MB). Peak memory consumption was 160.2MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,358 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 19:18:07,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.03ms. Allocated memory was 194.0MB in the beginning and 284.2MB in the end (delta: 90.2MB). Free memory was 165.4MB in the beginning and 240.3MB in the end (delta: -74.9MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.58ms. Allocated memory is still 284.2MB. Free memory was 240.3MB in the beginning and 237.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,358 INFO L158 Benchmark]: Boogie Preprocessor took 21.26ms. Allocated memory is still 284.2MB. Free memory was 237.8MB in the beginning and 235.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,359 INFO L158 Benchmark]: RCFGBuilder took 547.82ms. Allocated memory is still 284.2MB. Free memory was 235.7MB in the beginning and 198.4MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,359 INFO L158 Benchmark]: TraceAbstraction took 4359.68ms. Allocated memory was 284.2MB in the beginning and 400.6MB in the end (delta: 116.4MB). Free memory was 197.8MB in the beginning and 211.4MB in the end (delta: -13.6MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. [2022-11-14 19:18:07,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 526.03ms. Allocated memory was 194.0MB in the beginning and 284.2MB in the end (delta: 90.2MB). Free memory was 165.4MB in the beginning and 240.3MB in the end (delta: -74.9MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.58ms. Allocated memory is still 284.2MB. Free memory was 240.3MB in the beginning and 237.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.26ms. Allocated memory is still 284.2MB. Free memory was 237.8MB in the beginning and 235.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 547.82ms. Allocated memory is still 284.2MB. Free memory was 235.7MB in the beginning and 198.4MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4359.68ms. Allocated memory was 284.2MB in the beginning and 400.6MB in the end (delta: 116.4MB). Free memory was 197.8MB in the beginning and 211.4MB in the end (delta: -13.6MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27129, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 2087, dependent conditional: 2041, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25958, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 916, dependent conditional: 870, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25958, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 916, dependent conditional: 870, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 2940, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 18, dependent unconditional: 4087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 18, dependent unconditional: 4087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2298, independent: 2250, independent conditional: 12, independent unconditional: 2238, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2298, independent: 2216, independent conditional: 0, independent unconditional: 2216, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 302, independent: 97, independent conditional: 13, independent unconditional: 83, dependent: 206, dependent conditional: 4, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29147, independent: 22792, independent conditional: 237, independent unconditional: 22555, dependent: 4057, dependent conditional: 16, dependent unconditional: 4041, unknown: 2298, unknown conditional: 14, unknown unconditional: 2284] , Statistics on independence cache: Total cache size (in pairs): 2298, Positive cache size: 2250, Positive conditional cache size: 12, Positive unconditional cache size: 2238, Negative cache size: 48, Negative conditional cache size: 2, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2922, Maximal queried relation: 4, Independence queries for same thread: 1171 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 4000, Number of trivial persistent sets: 3556, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2276, independent: 2230, independent conditional: 0, independent unconditional: 2230, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27129, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 2087, dependent conditional: 2041, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25958, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 916, dependent conditional: 870, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25958, independent: 25042, independent conditional: 22812, independent unconditional: 2230, dependent: 916, dependent conditional: 870, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 2940, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 18, dependent unconditional: 4087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29147, independent: 25042, independent conditional: 249, independent unconditional: 24793, dependent: 4105, dependent conditional: 18, dependent unconditional: 4087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2298, independent: 2250, independent conditional: 12, independent unconditional: 2238, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2298, independent: 2216, independent conditional: 0, independent unconditional: 2216, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 48, dependent conditional: 2, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 302, independent: 97, independent conditional: 13, independent unconditional: 83, dependent: 206, dependent conditional: 4, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29147, independent: 22792, independent conditional: 237, independent unconditional: 22555, dependent: 4057, dependent conditional: 16, dependent unconditional: 4041, unknown: 2298, unknown conditional: 14, unknown unconditional: 2284] , Statistics on independence cache: Total cache size (in pairs): 2298, Positive cache size: 2250, Positive conditional cache size: 12, Positive unconditional cache size: 2238, Negative cache size: 48, Negative conditional cache size: 2, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2922, Maximal queried relation: 4, Independence queries for same thread: 1171 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 639, independent: 637, independent conditional: 0, independent unconditional: 637, 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: 639, independent: 635, independent conditional: 0, independent unconditional: 635, 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: 26, independent conditional: 0, independent unconditional: 26, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 637, Positive conditional cache size: 0, Positive unconditional cache size: 637, 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: 59, Number of trivial persistent sets: 45, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 639, independent: 637, independent conditional: 0, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 27, independent unconditional: 637, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 666, independent: 664, independent conditional: 0, independent unconditional: 664, 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: 639, independent: 637, independent conditional: 0, independent unconditional: 637, 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: 639, independent: 635, independent conditional: 0, independent unconditional: 635, 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: 26, independent conditional: 0, independent unconditional: 26, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 637, Positive conditional cache size: 0, Positive unconditional cache size: 637, 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: 23334, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 1826, dependent conditional: 1780, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22344, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 836, dependent conditional: 790, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22344, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 836, dependent conditional: 790, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 2676, dependent unconditional: 1069, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 32, dependent unconditional: 3713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 32, dependent unconditional: 3713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2265, independent: 2215, independent conditional: 15, independent unconditional: 2200, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2265, independent: 2178, independent conditional: 0, independent unconditional: 2178, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 56, independent conditional: 15, independent unconditional: 41, dependent: 178, dependent conditional: 4, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25253, independent: 19293, independent conditional: 218, independent unconditional: 19075, dependent: 3695, dependent conditional: 28, dependent unconditional: 3667, unknown: 2265, unknown conditional: 19, unknown unconditional: 2246] , Statistics on independence cache: Total cache size (in pairs): 2265, Positive cache size: 2215, Positive conditional cache size: 15, Positive unconditional cache size: 2200, Negative cache size: 50, Negative conditional cache size: 4, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2644, Maximal queried relation: 4, Independence queries for same thread: 990 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 3375, Number of trivial persistent sets: 3043, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2238, independent: 2192, independent conditional: 0, independent unconditional: 2192, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23334, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 1826, dependent conditional: 1780, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22344, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 836, dependent conditional: 790, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22344, independent: 21508, independent conditional: 19316, independent unconditional: 2192, dependent: 836, dependent conditional: 790, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 2676, dependent unconditional: 1069, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 32, dependent unconditional: 3713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25253, independent: 21508, independent conditional: 233, independent unconditional: 21275, dependent: 3745, dependent conditional: 32, dependent unconditional: 3713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2265, independent: 2215, independent conditional: 15, independent unconditional: 2200, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2265, independent: 2178, independent conditional: 0, independent unconditional: 2178, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 50, dependent conditional: 4, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 56, independent conditional: 15, independent unconditional: 41, dependent: 178, dependent conditional: 4, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25253, independent: 19293, independent conditional: 218, independent unconditional: 19075, dependent: 3695, dependent conditional: 28, dependent unconditional: 3667, unknown: 2265, unknown conditional: 19, unknown unconditional: 2246] , Statistics on independence cache: Total cache size (in pairs): 2265, Positive cache size: 2215, Positive conditional cache size: 15, Positive unconditional cache size: 2200, Negative cache size: 50, Negative conditional cache size: 4, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2644, Maximal queried relation: 4, Independence queries for same thread: 990 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24601, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 1580, dependent conditional: 1534, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23751, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 730, dependent conditional: 684, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23751, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 730, dependent conditional: 684, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 1704, dependent unconditional: 1068, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 98, dependent unconditional: 2674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 98, dependent unconditional: 2674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2230, independent: 2178, independent conditional: 20, independent unconditional: 2158, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2230, independent: 2136, independent conditional: 0, independent unconditional: 2136, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, independent: 59, independent conditional: 18, independent unconditional: 41, dependent: 188, dependent conditional: 7, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25793, independent: 20843, independent conditional: 318, independent unconditional: 20525, dependent: 2720, dependent conditional: 92, dependent unconditional: 2628, unknown: 2230, unknown conditional: 26, unknown unconditional: 2204] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2178, Positive conditional cache size: 20, Positive unconditional cache size: 2158, Negative cache size: 52, Negative conditional cache size: 6, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1606, Maximal queried relation: 3, Independence queries for same thread: 850 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2356, Number of trivial persistent sets: 2073, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2196, independent: 2150, independent conditional: 0, independent unconditional: 2150, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24601, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 1580, dependent conditional: 1534, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23751, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 730, dependent conditional: 684, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23751, independent: 23021, independent conditional: 20871, independent unconditional: 2150, dependent: 730, dependent conditional: 684, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 1704, dependent unconditional: 1068, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 98, dependent unconditional: 2674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25793, independent: 23021, independent conditional: 338, independent unconditional: 22683, dependent: 2772, dependent conditional: 98, dependent unconditional: 2674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2230, independent: 2178, independent conditional: 20, independent unconditional: 2158, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2230, independent: 2136, independent conditional: 0, independent unconditional: 2136, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 52, dependent conditional: 6, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, independent: 59, independent conditional: 18, independent unconditional: 41, dependent: 188, dependent conditional: 7, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25793, independent: 20843, independent conditional: 318, independent unconditional: 20525, dependent: 2720, dependent conditional: 92, dependent unconditional: 2628, unknown: 2230, unknown conditional: 26, unknown unconditional: 2204] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2178, Positive conditional cache size: 20, Positive unconditional cache size: 2158, Negative cache size: 52, Negative conditional cache size: 6, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1606, Maximal queried relation: 3, Independence queries for same thread: 850 - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: 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, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.7s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 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, 153 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, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 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, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 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 19:18:07,390 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 19:18:07,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-11-14 19:18:07,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-14 19:18:08,002 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 19:18:08,206 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...