/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.trace.refinement.strategy BADGER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 22:01:43,545 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-14 22:01:43,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 22:01:43,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 22:01:43,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 22:01:43,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 22:01:43,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 22:01:43,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 22:01:43,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 22:01:43,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 22:01:43,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 22:01:43,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 22:01:43,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 22:01:43,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 22:01:43,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 22:01:43,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 22:01:43,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 22:01:43,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 22:01:43,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 22:01:43,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 22:01:43,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 22:01:43,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 22:01:43,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-14 22:01:43,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 22:01:43,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 22:01:43,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 22:01:43,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 22:01:43,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 22:01:43,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 22:01:43,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 22:01:43,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 22:01:43,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 22:01:43,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 22:01:43,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 22:01:43,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 22:01:43,645 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 22:01:43,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 22:01:43,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 22:01:43,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 22:01:43,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 22:01:43,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 22:01:43,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 22:01:43,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:01:43,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 22:01:43,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 22:01:43,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 22:01:43,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 22:01:43,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 22:01:43,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 22:01:43,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 22:01:43,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 22:01:43,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-11-14 22:01:43,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9fd8814/c24b234e50f74af1bd850d727173abb2/FLAG56342dfdf [2022-11-14 22:01:44,316 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 22:01:44,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-11-14 22:01:44,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9fd8814/c24b234e50f74af1bd850d727173abb2/FLAG56342dfdf [2022-11-14 22:01:44,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9fd8814/c24b234e50f74af1bd850d727173abb2 [2022-11-14 22:01:44,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 22:01:44,687 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 22:01:44,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 22:01:44,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 22:01:44,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 22:01:44,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:01:44" (1/1) ... [2022-11-14 22:01:44,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2894e43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:44, skipping insertion in model container [2022-11-14 22:01:44,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:01:44" (1/1) ... [2022-11-14 22:01:44,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 22:01:44,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 22:01:44,848 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/mix025_pso.opt_rmo.opt.i[999,1012] [2022-11-14 22:01:44,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:01:44,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 22:01:44,999 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/mix025_pso.opt_rmo.opt.i[999,1012] [2022-11-14 22:01:45,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:01:45,045 INFO L208 MainTranslator]: Completed translation [2022-11-14 22:01:45,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45 WrapperNode [2022-11-14 22:01:45,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 22:01:45,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 22:01:45,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 22:01:45,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 22:01:45,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,075 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2022-11-14 22:01:45,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 22:01:45,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 22:01:45,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 22:01:45,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 22:01:45,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 22:01:45,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 22:01:45,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 22:01:45,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 22:01:45,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (1/1) ... [2022-11-14 22:01:45,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:01:45,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:01:45,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-14 22:01:45,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-14 22:01:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 22:01:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 22:01:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 22:01:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 22:01:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 22:01:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 22:01:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 22:01:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 22:01:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 22:01:45,179 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 22:01:45,316 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 22:01:45,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 22:01:45,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 22:01:45,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 22:01:45,633 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 22:01:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:01:45 BoogieIcfgContainer [2022-11-14 22:01:45,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 22:01:45,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 22:01:45,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 22:01:45,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 22:01:45,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:01:44" (1/3) ... [2022-11-14 22:01:45,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b8ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:01:45, skipping insertion in model container [2022-11-14 22:01:45,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:01:45" (2/3) ... [2022-11-14 22:01:45,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b8ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:01:45, skipping insertion in model container [2022-11-14 22:01:45,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:01:45" (3/3) ... [2022-11-14 22:01:45,641 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_pso.opt_rmo.opt.i [2022-11-14 22:01:45,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 22:01:45,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 22:01:45,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 22:01:45,653 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 22:01:45,685 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 22:01:45,722 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:45,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:01:45,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:01:45,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:01:45,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-14 22:01:45,771 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:01:45,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2022-11-14 22:01:45,784 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;@9c6d38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:45,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:01:45,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2100979348, now seen corresponding path program 1 times [2022-11-14 22:01:45,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:45,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602028892] [2022-11-14 22:01:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:45,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:46,382 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:46,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602028892] [2022-11-14 22:01:46,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602028892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:46,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:46,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:01:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284878431] [2022-11-14 22:01:46,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:46,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:01:46,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:46,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:01:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:01:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:46,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:46,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 22:01:46,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:46,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash 274919849, now seen corresponding path program 1 times [2022-11-14 22:01:46,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:46,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114435933] [2022-11-14 22:01:46,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:46,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:46,646 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:46,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114435933] [2022-11-14 22:01:46,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114435933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:46,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:46,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:01:46,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248355246] [2022-11-14 22:01:46,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:46,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:01:46,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:01:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:01:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:46,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:46,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:46,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 22:01:46,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:46,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash -230638775, now seen corresponding path program 1 times [2022-11-14 22:01:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:46,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393421428] [2022-11-14 22:01:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:46,840 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:46,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393421428] [2022-11-14 22:01:46,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393421428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:46,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:46,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:01:46,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955553358] [2022-11-14 22:01:46,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:46,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:01:46,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:01:46,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:01:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:46,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:46,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:46,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:46,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:46,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 22:01:46,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:46,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash 506127942, now seen corresponding path program 1 times [2022-11-14 22:01:46,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:46,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871837766] [2022-11-14 22:01:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:47,037 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:47,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871837766] [2022-11-14 22:01:47,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871837766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:47,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:47,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:01:47,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799069924] [2022-11-14 22:01:47,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:47,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:01:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:47,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:01:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:01:47,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:47,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:47,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 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 22:01:47,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:47,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:47,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:47,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:01:47,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:01:47,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:01:47,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 22:01:47,868 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:01:47,871 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE,SAFE (1/4) [2022-11-14 22:01:47,879 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:47,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:01:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:01:47,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:01:47,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-14 22:01:47,912 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:01:47,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2022-11-14 22:01:47,913 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;@9c6d38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:47,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:01:48,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:48,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash -744509357, now seen corresponding path program 1 times [2022-11-14 22:01:48,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:48,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611291241] [2022-11-14 22:01:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:48,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:48,077 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:48,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611291241] [2022-11-14 22:01:48,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611291241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:48,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:48,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:01:48,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510521062] [2022-11-14 22:01:48,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:48,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:01:48,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:48,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:01:48,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:01:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:48,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:48,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 22:01:48,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1877391606, now seen corresponding path program 1 times [2022-11-14 22:01:48,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:48,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307887567] [2022-11-14 22:01:48,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:48,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:48,146 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307887567] [2022-11-14 22:01:48,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307887567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:48,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:48,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:01:48,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737989164] [2022-11-14 22:01:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:48,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:01:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:48,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:01:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:01:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:48,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:48,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 22:01:48,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:48,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:48,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1877391607, now seen corresponding path program 1 times [2022-11-14 22:01:48,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:48,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595285459] [2022-11-14 22:01:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:48,235 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:48,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595285459] [2022-11-14 22:01:48,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595285459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:48,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:48,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:01:48,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031101978] [2022-11-14 22:01:48,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:48,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:01:48,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:48,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:01:48,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:01:48,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:48,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 22:01:48,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:48,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:48,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1021436403, now seen corresponding path program 1 times [2022-11-14 22:01:48,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:48,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876460110] [2022-11-14 22:01:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:48,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:48,455 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:48,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876460110] [2022-11-14 22:01:48,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876460110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:48,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:48,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:01:48,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002115034] [2022-11-14 22:01:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:48,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:01:48,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:48,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:01:48,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:01:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:48,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:01:48,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:01:48,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:01:48,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 22:01:48,951 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:01:48,952 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE (2/4) [2022-11-14 22:01:48,955 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:48,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:01:48,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:01:49,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:01:49,084 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:01:49,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 22:01:49,085 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;@9c6d38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:49,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 22:01:49,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-14 22:01:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 22:01:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 22:01:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 22:01:49,159 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 22:01:49,159 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (3/4) [2022-11-14 22:01:49,160 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:49,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:01:49,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:01:49,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:01:49,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-14 22:01:49,202 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:01:49,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork2 ======== [2022-11-14 22:01:49,202 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;@9c6d38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:01:49,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:01:49,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:49,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:49,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1757958174, now seen corresponding path program 1 times [2022-11-14 22:01:49,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:49,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121433757] [2022-11-14 22:01:49,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:49,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:49,320 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:49,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121433757] [2022-11-14 22:01:49,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121433757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:49,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:49,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 22:01:49,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405293619] [2022-11-14 22:01:49,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:49,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:01:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:49,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:01:49,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:01:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:49,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:49,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:49,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 22:01:49,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:49,400 INFO L85 PathProgramCache]: Analyzing trace with hash 855222437, now seen corresponding path program 1 times [2022-11-14 22:01:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:49,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972727664] [2022-11-14 22:01:49,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:49,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:49,470 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:49,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972727664] [2022-11-14 22:01:49,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972727664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:49,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:49,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:01:49,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7851778] [2022-11-14 22:01:49,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:49,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:01:49,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:49,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:01:49,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:01:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:49,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:01:49,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 22:01:49,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:01:49,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:01:49,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1561528079, now seen corresponding path program 1 times [2022-11-14 22:01:49,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:01:49,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290542266] [2022-11-14 22:01:49,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:01:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:01:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:01:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:01:49,740 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:01:49,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290542266] [2022-11-14 22:01:49,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290542266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:01:49,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:01:49,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:01:49,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539565917] [2022-11-14 22:01:49,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:01:49,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:01:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:01:49,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:01:49,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:01:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:01:49,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:01:49,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:49,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:01:49,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:01:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:01:49,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:01:49,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:01:49,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:01:49,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:01:49,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 22:01:49,956 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 22:01:49,956 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork2 was SAFE,SAFE (4/4) [2022-11-14 22:01:49,957 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 22:01:49,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 22:01:49,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:01:49 BasicIcfg [2022-11-14 22:01:49,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 22:01:49,960 INFO L158 Benchmark]: Toolchain (without parser) took 5272.78ms. Allocated memory was 177.2MB in the beginning and 282.1MB in the end (delta: 104.9MB). Free memory was 147.2MB in the beginning and 108.0MB in the end (delta: 39.1MB). Peak memory consumption was 143.4MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,960 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 22:01:49,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.25ms. Allocated memory is still 177.2MB. Free memory was 147.2MB in the beginning and 135.2MB in the end (delta: 12.0MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.89ms. Allocated memory is still 177.2MB. Free memory was 135.2MB in the beginning and 132.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,961 INFO L158 Benchmark]: Boogie Preprocessor took 18.50ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 131.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,961 INFO L158 Benchmark]: RCFGBuilder took 539.79ms. Allocated memory is still 177.2MB. Free memory was 131.0MB in the beginning and 98.5MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,961 INFO L158 Benchmark]: TraceAbstraction took 4323.51ms. Allocated memory was 177.2MB in the beginning and 282.1MB in the end (delta: 104.9MB). Free memory was 97.9MB in the beginning and 108.0MB in the end (delta: -10.2MB). Peak memory consumption was 94.6MB. Max. memory is 8.0GB. [2022-11-14 22:01:49,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 357.25ms. Allocated memory is still 177.2MB. Free memory was 147.2MB in the beginning and 135.2MB in the end (delta: 12.0MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.89ms. Allocated memory is still 177.2MB. Free memory was 135.2MB in the beginning and 132.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.50ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 131.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 539.79ms. Allocated memory is still 177.2MB. Free memory was 131.0MB in the beginning and 98.5MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4323.51ms. Allocated memory was 177.2MB in the beginning and 282.1MB in the end (delta: 104.9MB). Free memory was 97.9MB in the beginning and 108.0MB in the end (delta: -10.2MB). Peak memory consumption was 94.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29739, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 2512, dependent conditional: 2464, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28333, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 1106, dependent conditional: 1058, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28333, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 1106, dependent conditional: 1058, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 3609, dependent unconditional: 1421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 18, dependent unconditional: 5012, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 18, dependent unconditional: 5012, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2298, independent: 2248, independent conditional: 12, independent unconditional: 2236, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2298, independent: 2214, independent conditional: 0, independent unconditional: 2214, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 84, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, independent: 66, independent conditional: 16, independent unconditional: 50, dependent: 224, dependent conditional: 4, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32257, independent: 24979, independent conditional: 303, independent unconditional: 24676, dependent: 4980, dependent conditional: 16, dependent unconditional: 4964, unknown: 2298, unknown conditional: 14, unknown unconditional: 2284] , Statistics on independence cache: Total cache size (in pairs): 2298, Positive cache size: 2248, Positive conditional cache size: 12, Positive unconditional cache size: 2236, Negative cache size: 50, Negative conditional cache size: 2, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3591, Maximal queried relation: 4, Independence queries for same thread: 1406 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 4022, Number of trivial persistent sets: 3569, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2276, independent: 2228, independent conditional: 0, independent unconditional: 2228, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29739, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 2512, dependent conditional: 2464, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28333, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 1106, dependent conditional: 1058, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28333, independent: 27227, independent conditional: 24999, independent unconditional: 2228, dependent: 1106, dependent conditional: 1058, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 3609, dependent unconditional: 1421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 18, dependent unconditional: 5012, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32257, independent: 27227, independent conditional: 315, independent unconditional: 26912, dependent: 5030, dependent conditional: 18, dependent unconditional: 5012, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2298, independent: 2248, independent conditional: 12, independent unconditional: 2236, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2298, independent: 2214, independent conditional: 0, independent unconditional: 2214, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 84, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, independent: 66, independent conditional: 16, independent unconditional: 50, dependent: 224, dependent conditional: 4, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32257, independent: 24979, independent conditional: 303, independent unconditional: 24676, dependent: 4980, dependent conditional: 16, dependent unconditional: 4964, unknown: 2298, unknown conditional: 14, unknown unconditional: 2284] , Statistics on independence cache: Total cache size (in pairs): 2298, Positive cache size: 2248, Positive conditional cache size: 12, Positive unconditional cache size: 2236, Negative cache size: 50, Negative conditional cache size: 2, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3591, Maximal queried relation: 4, Independence queries for same thread: 1406 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27093, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 2459, dependent conditional: 2411, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25681, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 1047, dependent conditional: 999, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25681, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 1047, dependent conditional: 999, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 3448, dependent unconditional: 1357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 32, dependent unconditional: 4773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 32, dependent unconditional: 4773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2265, independent: 2213, independent conditional: 15, independent unconditional: 2198, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2265, independent: 2176, independent conditional: 0, independent unconditional: 2176, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 89, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, independent: 61, independent conditional: 13, independent unconditional: 47, dependent: 197, dependent conditional: 5, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29439, independent: 22421, independent conditional: 295, independent unconditional: 22126, dependent: 4753, dependent conditional: 28, dependent unconditional: 4725, unknown: 2265, unknown conditional: 19, unknown unconditional: 2246] , Statistics on independence cache: Total cache size (in pairs): 2265, Positive cache size: 2213, Positive conditional cache size: 15, Positive unconditional cache size: 2198, Negative cache size: 52, Negative conditional cache size: 4, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3416, Maximal queried relation: 4, Independence queries for same thread: 1412 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 3357, Number of trivial persistent sets: 2976, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2238, independent: 2190, independent conditional: 0, independent unconditional: 2190, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27093, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 2459, dependent conditional: 2411, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25681, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 1047, dependent conditional: 999, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25681, independent: 24634, independent conditional: 22444, independent unconditional: 2190, dependent: 1047, dependent conditional: 999, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 3448, dependent unconditional: 1357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 32, dependent unconditional: 4773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29439, independent: 24634, independent conditional: 310, independent unconditional: 24324, dependent: 4805, dependent conditional: 32, dependent unconditional: 4773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2265, independent: 2213, independent conditional: 15, independent unconditional: 2198, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2265, independent: 2176, independent conditional: 0, independent unconditional: 2176, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 89, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 52, dependent conditional: 4, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, independent: 61, independent conditional: 13, independent unconditional: 47, dependent: 197, dependent conditional: 5, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29439, independent: 22421, independent conditional: 295, independent unconditional: 22126, dependent: 4753, dependent conditional: 28, dependent unconditional: 4725, unknown: 2265, unknown conditional: 19, unknown unconditional: 2246] , Statistics on independence cache: Total cache size (in pairs): 2265, Positive cache size: 2213, Positive conditional cache size: 15, Positive unconditional cache size: 2198, Negative cache size: 52, Negative conditional cache size: 4, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3416, Maximal queried relation: 4, Independence queries for same thread: 1412 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 637, independent conditional: 0, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 637, Positive conditional cache size: 0, Positive unconditional cache size: 637, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 58, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 639, independent: 637, independent conditional: 0, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 27, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 637, independent conditional: 0, independent unconditional: 637, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 637, Positive conditional cache size: 0, Positive unconditional cache size: 637, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29404, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 2382, dependent conditional: 2334, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28062, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 1040, dependent conditional: 992, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28062, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 1040, dependent conditional: 992, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 2503, dependent unconditional: 1490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 125, dependent unconditional: 3868, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 125, dependent unconditional: 3868, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2230, independent: 2176, independent conditional: 20, independent unconditional: 2156, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2230, independent: 2134, independent conditional: 0, independent unconditional: 2134, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 96, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, independent: 54, independent conditional: 15, independent unconditional: 39, dependent: 179, dependent conditional: 5, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31015, independent: 24846, independent conditional: 430, independent unconditional: 24416, dependent: 3939, dependent conditional: 119, dependent unconditional: 3820, unknown: 2230, unknown conditional: 26, unknown unconditional: 2204] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2176, Positive conditional cache size: 20, Positive unconditional cache size: 2156, Negative cache size: 54, Negative conditional cache size: 6, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2378, Maximal queried relation: 3, Independence queries for same thread: 1342 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2346, Number of trivial persistent sets: 2056, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2196, independent: 2148, independent conditional: 0, independent unconditional: 2148, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29404, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 2382, dependent conditional: 2334, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28062, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 1040, dependent conditional: 992, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28062, independent: 27022, independent conditional: 24874, independent unconditional: 2148, dependent: 1040, dependent conditional: 992, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 2503, dependent unconditional: 1490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 125, dependent unconditional: 3868, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31015, independent: 27022, independent conditional: 450, independent unconditional: 26572, dependent: 3993, dependent conditional: 125, dependent unconditional: 3868, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2230, independent: 2176, independent conditional: 20, independent unconditional: 2156, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2230, independent: 2134, independent conditional: 0, independent unconditional: 2134, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 96, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, independent: 54, independent conditional: 15, independent unconditional: 39, dependent: 179, dependent conditional: 5, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31015, independent: 24846, independent conditional: 430, independent unconditional: 24416, dependent: 3939, dependent conditional: 119, dependent unconditional: 3820, unknown: 2230, unknown conditional: 26, unknown unconditional: 2204] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2176, Positive conditional cache size: 20, Positive unconditional cache size: 2156, Negative cache size: 54, Negative conditional cache size: 6, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2378, Maximal queried relation: 3, Independence queries for same thread: 1342 - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: 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: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 152 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 152 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 609 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, 152 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 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: P0Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 152 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-14 22:01:49,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-11-14 22:01:50,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-11-14 22:01:50,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-14 22:01:50,602 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 22:01:50,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...