/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/safe014_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 19:22:56,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 19:22:56,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 19:22:56,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 19:22:56,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 19:22:56,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 19:22:56,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 19:22:56,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 19:22:56,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 19:22:56,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 19:22:56,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 19:22:56,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 19:22:56,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 19:22:56,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 19:22:56,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 19:22:56,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 19:22:56,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 19:22:56,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 19:22:56,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 19:22:57,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 19:22:57,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 19:22:57,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 19:22:57,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 19:22:57,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 19:22:57,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 19:22:57,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 19:22:57,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 19:22:57,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 19:22:57,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 19:22:57,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-14 19:22:57,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-14 19:22:57,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-14 19:22:57,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-14 19:22:57,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-14 19:22:57,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-14 19:22:57,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-14 19:22:57,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-14 19:22:57,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-14 19:22:57,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 19:22:57,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 19:22:57,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 19:22:57,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 19:22:57,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 19:22:57,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 19:22:57,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 19:22:57,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 19:22:57,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 19:22:57,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 19:22:57,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 19:22:57,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 19:22:57,058 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 19:22:57,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 19:22:57,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 19:22:57,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 19:22:57,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 19:22:57,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 19:22:57,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 19:22:57,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 19:22:57,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 19:22:57,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 19:22:57,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:22:57,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 19:22:57,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 19:22:57,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 19:22:57,063 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 19:22:57,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 19:22:57,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 19:22:57,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 19:22:57,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 19:22:57,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 19:22:57,304 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 19:22:57,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_power.oepc.i [2022-11-14 19:22:57,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca03f4934/a3ffc84c94ff4ce2a78cf622f6ea0289/FLAG5674ba20d [2022-11-14 19:22:57,773 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 19:22:57,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.oepc.i [2022-11-14 19:22:57,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca03f4934/a3ffc84c94ff4ce2a78cf622f6ea0289/FLAG5674ba20d [2022-11-14 19:22:57,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca03f4934/a3ffc84c94ff4ce2a78cf622f6ea0289 [2022-11-14 19:22:57,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 19:22:57,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 19:22:57,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 19:22:57,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 19:22:57,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 19:22:57,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:22:57" (1/1) ... [2022-11-14 19:22:57,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de58641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:57, skipping insertion in model container [2022-11-14 19:22:57,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:22:57" (1/1) ... [2022-11-14 19:22:57,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 19:22:57,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 19:22:58,097 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/safe014_power.oepc.i[995,1008] [2022-11-14 19:22:58,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:22:58,319 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 19:22:58,334 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/safe014_power.oepc.i[995,1008] [2022-11-14 19:22:58,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:22:58,412 INFO L208 MainTranslator]: Completed translation [2022-11-14 19:22:58,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58 WrapperNode [2022-11-14 19:22:58,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 19:22:58,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 19:22:58,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 19:22:58,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 19:22:58,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,479 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2022-11-14 19:22:58,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 19:22:58,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 19:22:58,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 19:22:58,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 19:22:58,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 19:22:58,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 19:22:58,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 19:22:58,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 19:22:58,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (1/1) ... [2022-11-14 19:22:58,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:22:58,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:58,560 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 19:22:58,562 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 19:22:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-14 19:22:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 19:22:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 19:22:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 19:22:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 19:22:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 19:22:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 19:22:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 19:22:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 19:22:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 19:22:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 19:22:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 19:22:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 19:22:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 19:22:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 19:22:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 19:22:58,599 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 19:22:58,724 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 19:22:58,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 19:22:59,188 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 19:22:59,383 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 19:22:59,383 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 19:22:59,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:22:59 BoogieIcfgContainer [2022-11-14 19:22:59,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 19:22:59,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 19:22:59,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 19:22:59,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 19:22:59,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:22:57" (1/3) ... [2022-11-14 19:22:59,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a349453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:22:59, skipping insertion in model container [2022-11-14 19:22:59,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:58" (2/3) ... [2022-11-14 19:22:59,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a349453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:22:59, skipping insertion in model container [2022-11-14 19:22:59,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:22:59" (3/3) ... [2022-11-14 19:22:59,393 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.i [2022-11-14 19:22:59,400 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 19:22:59,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 19:22:59,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 19:22:59,409 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 19:22:59,489 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 19:22:59,540 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:59,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:22:59,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:59,544 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 19:22:59,563 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 19:22:59,589 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:22:59,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2022-11-14 19:22:59,612 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;@62fe2dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:59,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:22:59,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:00,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:00,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2116464923, now seen corresponding path program 1 times [2022-11-14 19:23:00,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:00,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576536800] [2022-11-14 19:23:00,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:00,513 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 19:23:00,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:00,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576536800] [2022-11-14 19:23:00,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576536800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:00,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:00,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:23:00,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767252742] [2022-11-14 19:23:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:00,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:23:00,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:00,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:23:00,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:23:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:00,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 19:23:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:00,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 19:23:00,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:00,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1113288424, now seen corresponding path program 1 times [2022-11-14 19:23:00,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:00,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388445934] [2022-11-14 19:23:00,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:00,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:00,838 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 19:23:00,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:00,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388445934] [2022-11-14 19:23:00,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388445934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:00,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:00,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:00,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957301209] [2022-11-14 19:23:00,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:00,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:23:00,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:00,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:23:00,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:23:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:00,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:00,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:00,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:00,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:00,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:00,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 19:23:00,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1406691430, now seen corresponding path program 1 times [2022-11-14 19:23:00,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:00,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791730278] [2022-11-14 19:23:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:00,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:01,104 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 19:23:01,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:01,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791730278] [2022-11-14 19:23:01,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791730278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:01,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:01,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928233853] [2022-11-14 19:23:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:01,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:23:01,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:01,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:23:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:23:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:01,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:01,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:01,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:01,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 19:23:01,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:01,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash -659793157, now seen corresponding path program 1 times [2022-11-14 19:23:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:01,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708425679] [2022-11-14 19:23:01,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:01,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:01,313 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 19:23:01,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:01,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708425679] [2022-11-14 19:23:01,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708425679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:01,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:01,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:01,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181998813] [2022-11-14 19:23:01,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:01,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:23:01,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:01,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:23:01,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:23:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:01,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:01,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:23:02,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:23:02,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:23:02,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 19:23:02,576 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:23:02,577 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2022-11-14 19:23:02,589 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:02,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:23:02,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:23:02,592 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 19:23:02,593 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 19:23:02,629 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:23:02,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 19:23:02,630 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62fe2dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:02,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 19:23:02,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 19:23:02,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 19:23:02,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 19:23:02,791 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 19:23:02,792 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-14 19:23:02,794 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:02,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:23:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:23:02,799 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 19:23:02,805 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:23:02,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2022-11-14 19:23:02,806 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;@62fe2dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:02,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:23:02,824 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 19:23:02,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:02,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2073955268, now seen corresponding path program 1 times [2022-11-14 19:23:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:02,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947376069] [2022-11-14 19:23:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:02,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:03,013 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 19:23:03,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:03,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947376069] [2022-11-14 19:23:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947376069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:03,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:03,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:23:03,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707452835] [2022-11-14 19:23:03,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:03,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:23:03,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:23:03,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:23:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:03,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 19:23:03,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:03,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:03,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1201285049, now seen corresponding path program 1 times [2022-11-14 19:23:03,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:03,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540775756] [2022-11-14 19:23:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:03,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:03,118 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 19:23:03,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:03,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540775756] [2022-11-14 19:23:03,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540775756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:03,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:03,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:23:03,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573410841] [2022-11-14 19:23:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:03,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:23:03,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:03,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:23:03,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:23:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:03,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 19:23:03,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 19:23:03,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:03,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1201285050, now seen corresponding path program 1 times [2022-11-14 19:23:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:03,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610804087] [2022-11-14 19:23:03,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:03,245 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 19:23:03,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:03,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610804087] [2022-11-14 19:23:03,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610804087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:03,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:03,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:23:03,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468767087] [2022-11-14 19:23:03,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:03,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:23:03,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:03,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:23:03,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:23:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:03,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 19:23:03,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 19:23:03,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:03,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:03,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1239611161, now seen corresponding path program 1 times [2022-11-14 19:23:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:03,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832840129] [2022-11-14 19:23:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:03,612 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 19:23:03,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:03,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832840129] [2022-11-14 19:23:03,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832840129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:03,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:03,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:03,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908691179] [2022-11-14 19:23:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:03,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:23:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:03,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:23:03,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:23:03,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:03,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:03,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 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 19:23:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:23:04,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:23:04,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:23:04,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 19:23:04,431 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:23:04,432 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2022-11-14 19:23:04,434 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:04,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:23:04,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:23:04,439 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 19:23:04,448 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:23:04,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2022-11-14 19:23:04,449 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;@62fe2dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:23:04,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:23:04,465 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 19:23:04,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:04,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1813010076, now seen corresponding path program 1 times [2022-11-14 19:23:04,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:04,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220913130] [2022-11-14 19:23:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:04,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:04,620 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 19:23:04,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:04,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220913130] [2022-11-14 19:23:04,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220913130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:04,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:04,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 19:23:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994927957] [2022-11-14 19:23:04,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:04,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:23:04,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:23:04,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:23:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:04,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:04,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 19:23:04,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:04,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 19:23:04,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:04,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1167452612, now seen corresponding path program 1 times [2022-11-14 19:23:04,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:04,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082394605] [2022-11-14 19:23:04,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:04,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:04,871 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 19:23:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:04,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082394605] [2022-11-14 19:23:04,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082394605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:04,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:04,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676579039] [2022-11-14 19:23:04,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:04,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:23:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:04,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:23:04,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:04,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:04,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:04,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:04,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:23:05,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 19:23:05,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:23:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:23:05,130 INFO L85 PathProgramCache]: Analyzing trace with hash -111096414, now seen corresponding path program 1 times [2022-11-14 19:23:05,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:23:05,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880252246] [2022-11-14 19:23:05,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:23:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:23:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:23:05,235 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 19:23:05,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:23:05,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880252246] [2022-11-14 19:23:05,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880252246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:23:05,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:23:05,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:23:05,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850946367] [2022-11-14 19:23:05,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:23:05,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:23:05,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:23:05,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:23:05,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:23:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:05,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:23:05,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:23:05,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:05,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:23:05,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:23:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:23:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:23:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:23:05,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:23:05,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:23:05,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 19:23:05,848 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 19:23:05,849 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE (4/4) [2022-11-14 19:23:05,850 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 19:23:05,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 19:23:05,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:23:05 BasicIcfg [2022-11-14 19:23:05,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 19:23:05,854 INFO L158 Benchmark]: Toolchain (without parser) took 8050.33ms. Allocated memory was 197.1MB in the beginning and 403.7MB in the end (delta: 206.6MB). Free memory was 140.5MB in the beginning and 230.3MB in the end (delta: -89.7MB). Peak memory consumption was 171.3MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,855 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 197.1MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 19:23:05,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.60ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 140.3MB in the beginning and 196.9MB in the end (delta: -56.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 237.0MB. Free memory was 196.9MB in the beginning and 194.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,855 INFO L158 Benchmark]: Boogie Preprocessor took 46.98ms. Allocated memory is still 237.0MB. Free memory was 194.3MB in the beginning and 192.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,856 INFO L158 Benchmark]: RCFGBuilder took 857.10ms. Allocated memory is still 237.0MB. Free memory was 192.2MB in the beginning and 130.3MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,856 INFO L158 Benchmark]: TraceAbstraction took 6466.83ms. Allocated memory was 237.0MB in the beginning and 403.7MB in the end (delta: 166.7MB). Free memory was 129.3MB in the beginning and 230.3MB in the end (delta: -101.0MB). Peak memory consumption was 119.8MB. Max. memory is 8.0GB. [2022-11-14 19:23:05,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 197.1MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 607.60ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 140.3MB in the beginning and 196.9MB in the end (delta: -56.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 237.0MB. Free memory was 196.9MB in the beginning and 194.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.98ms. Allocated memory is still 237.0MB. Free memory was 194.3MB in the beginning and 192.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 857.10ms. Allocated memory is still 237.0MB. Free memory was 192.2MB in the beginning and 130.3MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * TraceAbstraction took 6466.83ms. Allocated memory was 237.0MB in the beginning and 403.7MB in the end (delta: 166.7MB). Free memory was 129.3MB in the beginning and 230.3MB in the end (delta: -101.0MB). Peak memory consumption was 119.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21687, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 1888, dependent conditional: 1836, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20688, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 889, dependent conditional: 837, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20688, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 889, dependent conditional: 837, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 2763, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 18, dependent unconditional: 3854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 18, dependent unconditional: 3854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2089, independent: 2035, independent conditional: 12, independent unconditional: 2023, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2089, independent: 2001, independent conditional: 0, independent unconditional: 2001, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 662, dependent conditional: 5, dependent unconditional: 657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23671, independent: 17764, independent conditional: 208, independent unconditional: 17556, dependent: 3818, dependent conditional: 16, dependent unconditional: 3802, unknown: 2089, unknown conditional: 14, unknown unconditional: 2075] , Statistics on independence cache: Total cache size (in pairs): 2089, Positive cache size: 2035, Positive conditional cache size: 12, Positive unconditional cache size: 2023, Negative cache size: 54, Negative conditional cache size: 2, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2745, Maximal queried relation: 4, Independence queries for same thread: 999 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 2923, Number of trivial persistent sets: 2625, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2067, independent: 2015, independent conditional: 0, independent unconditional: 2015, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21687, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 1888, dependent conditional: 1836, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20688, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 889, dependent conditional: 837, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20688, independent: 19799, independent conditional: 17784, independent unconditional: 2015, dependent: 889, dependent conditional: 837, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 2763, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 18, dependent unconditional: 3854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23671, independent: 19799, independent conditional: 220, independent unconditional: 19579, dependent: 3872, dependent conditional: 18, dependent unconditional: 3854, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2089, independent: 2035, independent conditional: 12, independent unconditional: 2023, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2089, independent: 2001, independent conditional: 0, independent unconditional: 2001, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 54, dependent conditional: 2, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 662, dependent conditional: 5, dependent unconditional: 657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23671, independent: 17764, independent conditional: 208, independent unconditional: 17556, dependent: 3818, dependent conditional: 16, dependent unconditional: 3802, unknown: 2089, unknown conditional: 14, unknown unconditional: 2075] , Statistics on independence cache: Total cache size (in pairs): 2089, Positive cache size: 2035, Positive conditional cache size: 12, Positive unconditional cache size: 2023, Negative cache size: 54, Negative conditional cache size: 2, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2745, Maximal queried relation: 4, Independence queries for same thread: 999 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 695, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 0.2s, Number of persistent set computation: 87, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 642, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 51, independent unconditional: 631, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 695, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 695, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 631, Positive conditional cache size: 0, Positive unconditional cache size: 631, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 18343, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 1605, dependent conditional: 1553, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17471, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 733, dependent conditional: 681, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17471, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 733, dependent conditional: 681, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 2319, dependent unconditional: 968, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 30, dependent unconditional: 3257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 30, dependent unconditional: 3257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2057, independent: 2001, independent conditional: 15, independent unconditional: 1986, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2057, independent: 1964, independent conditional: 0, independent unconditional: 1964, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 635, independent: 105, independent conditional: 18, independent unconditional: 87, dependent: 530, dependent conditional: 6, dependent unconditional: 524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20025, independent: 14737, independent conditional: 220, independent unconditional: 14517, dependent: 3231, dependent conditional: 26, dependent unconditional: 3205, unknown: 2057, unknown conditional: 19, unknown unconditional: 2038] , Statistics on independence cache: Total cache size (in pairs): 2057, Positive cache size: 2001, Positive conditional cache size: 15, Positive unconditional cache size: 1986, Negative cache size: 56, Negative conditional cache size: 4, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2289, Maximal queried relation: 4, Independence queries for same thread: 872 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 2278, Number of trivial persistent sets: 2059, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2030, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18343, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 1605, dependent conditional: 1553, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17471, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 733, dependent conditional: 681, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17471, independent: 16738, independent conditional: 14760, independent unconditional: 1978, dependent: 733, dependent conditional: 681, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 2319, dependent unconditional: 968, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 30, dependent unconditional: 3257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20025, independent: 16738, independent conditional: 235, independent unconditional: 16503, dependent: 3287, dependent conditional: 30, dependent unconditional: 3257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2057, independent: 2001, independent conditional: 15, independent unconditional: 1986, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2057, independent: 1964, independent conditional: 0, independent unconditional: 1964, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 56, dependent conditional: 4, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 635, independent: 105, independent conditional: 18, independent unconditional: 87, dependent: 530, dependent conditional: 6, dependent unconditional: 524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20025, independent: 14737, independent conditional: 220, independent unconditional: 14517, dependent: 3231, dependent conditional: 26, dependent unconditional: 3205, unknown: 2057, unknown conditional: 19, unknown unconditional: 2038] , Statistics on independence cache: Total cache size (in pairs): 2057, Positive cache size: 2001, Positive conditional cache size: 15, Positive unconditional cache size: 1986, Negative cache size: 56, Negative conditional cache size: 4, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2289, Maximal queried relation: 4, Independence queries for same thread: 872 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22732, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 1791, dependent conditional: 1739, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21776, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 835, dependent conditional: 783, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21776, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 835, dependent conditional: 783, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 1956, dependent unconditional: 1148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 111, dependent unconditional: 2993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 111, dependent unconditional: 2993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2030, independent: 1972, independent conditional: 20, independent unconditional: 1952, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2030, independent: 1930, independent conditional: 0, independent unconditional: 1930, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 594, independent: 72, independent conditional: 22, independent unconditional: 51, dependent: 521, dependent conditional: 8, dependent unconditional: 513, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24045, independent: 18969, independent conditional: 293, independent unconditional: 18676, dependent: 3046, dependent conditional: 105, dependent unconditional: 2941, unknown: 2030, unknown conditional: 26, unknown unconditional: 2004] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 1972, Positive conditional cache size: 20, Positive unconditional cache size: 1952, Negative cache size: 58, Negative conditional cache size: 6, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1845, Maximal queried relation: 3, Independence queries for same thread: 956 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 2278, Number of trivial persistent sets: 2045, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1996, independent: 1944, independent conditional: 0, independent unconditional: 1944, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22732, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 1791, dependent conditional: 1739, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21776, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 835, dependent conditional: 783, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21776, independent: 20941, independent conditional: 18997, independent unconditional: 1944, dependent: 835, dependent conditional: 783, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 1956, dependent unconditional: 1148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 111, dependent unconditional: 2993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24045, independent: 20941, independent conditional: 313, independent unconditional: 20628, dependent: 3104, dependent conditional: 111, dependent unconditional: 2993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2030, independent: 1972, independent conditional: 20, independent unconditional: 1952, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2030, independent: 1930, independent conditional: 0, independent unconditional: 1930, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 58, dependent conditional: 6, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 594, independent: 72, independent conditional: 22, independent unconditional: 51, dependent: 521, dependent conditional: 8, dependent unconditional: 513, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24045, independent: 18969, independent conditional: 293, independent unconditional: 18676, dependent: 3046, dependent conditional: 105, dependent unconditional: 2941, unknown: 2030, unknown conditional: 26, unknown unconditional: 2004] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 1972, Positive conditional cache size: 20, Positive unconditional cache size: 1952, Negative cache size: 58, Negative conditional cache size: 6, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1845, Maximal queried relation: 3, Independence queries for same thread: 956 - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: 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, 166 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.8s, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 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, 166 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 166 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.3s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 807 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, 166 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 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 19:23:05,899 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 19:23:06,098 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 19:23:06,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-14 19:23:06,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-14 19:23:06,697 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...