/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 19:22:13,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 19:22:13,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 19:22:13,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 19:22:13,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 19:22:13,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 19:22:13,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 19:22:13,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 19:22:13,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 19:22:13,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 19:22:13,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 19:22:13,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 19:22:13,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 19:22:13,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 19:22:13,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 19:22:13,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 19:22:13,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 19:22:13,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 19:22:13,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 19:22:13,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 19:22:14,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 19:22:14,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 19:22:14,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 19:22:14,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 19:22:14,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 19:22:14,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 19:22:14,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 19:22:14,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 19:22:14,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 19:22:14,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-14 19:22:14,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 19:22:14,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 19:22:14,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 19:22:14,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 19:22:14,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 19:22:14,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 19:22:14,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 19:22:14,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 19:22:14,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 19:22:14,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 19:22:14,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 19:22:14,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 19:22:14,037 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 19:22:14,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 19:22:14,037 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 19:22:14,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 19:22:14,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 19:22:14,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:22:14,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 19:22:14,039 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 19:22:14,040 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 19:22:14,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 19:22:14,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 19:22:14,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 19:22:14,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 19:22:14,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 19:22:14,244 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 19:22:14,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2022-11-14 19:22:14,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75edff35/da4aa850030a49f9b59ca52c3f8f66c6/FLAGb9b4fb4a3 [2022-11-14 19:22:14,729 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 19:22:14,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2022-11-14 19:22:14,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75edff35/da4aa850030a49f9b59ca52c3f8f66c6/FLAGb9b4fb4a3 [2022-11-14 19:22:15,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a75edff35/da4aa850030a49f9b59ca52c3f8f66c6 [2022-11-14 19:22:15,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 19:22:15,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 19:22:15,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 19:22:15,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 19:22:15,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 19:22:15,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2d510e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15, skipping insertion in model container [2022-11-14 19:22:15,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 19:22:15,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 19:22:15,285 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/safe000_power.oepc.i[995,1008] [2022-11-14 19:22:15,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:22:15,485 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 19:22:15,495 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/safe000_power.oepc.i[995,1008] [2022-11-14 19:22:15,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 19:22:15,595 INFO L208 MainTranslator]: Completed translation [2022-11-14 19:22:15,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15 WrapperNode [2022-11-14 19:22:15,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 19:22:15,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 19:22:15,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 19:22:15,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 19:22:15,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,657 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-14 19:22:15,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 19:22:15,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 19:22:15,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 19:22:15,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 19:22:15,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 19:22:15,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 19:22:15,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 19:22:15,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 19:22:15,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (1/1) ... [2022-11-14 19:22:15,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 19:22:15,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:15,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-14 19:22:15,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-14 19:22:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-14 19:22:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 19:22:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 19:22:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 19:22:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 19:22:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 19:22:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 19:22:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 19:22:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 19:22:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 19:22:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 19:22:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 19:22:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 19:22:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 19:22:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 19:22:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 19:22:15,782 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 19:22:15,953 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 19:22:15,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 19:22:16,411 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 19:22:16,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 19:22:16,897 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 19:22:16,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:22:16 BoogieIcfgContainer [2022-11-14 19:22:16,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 19:22:16,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 19:22:16,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 19:22:16,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 19:22:16,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:22:15" (1/3) ... [2022-11-14 19:22:16,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d01b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:22:16, skipping insertion in model container [2022-11-14 19:22:16,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:22:15" (2/3) ... [2022-11-14 19:22:16,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d01b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:22:16, skipping insertion in model container [2022-11-14 19:22:16,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:22:16" (3/3) ... [2022-11-14 19:22:16,904 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2022-11-14 19:22:16,909 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 19:22:16,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 19:22:16,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 19:22:16,915 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 19:22:16,972 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 19:22:17,008 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:17,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:22:17,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:17,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 19:22:17,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-14 19:22:17,050 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:22:17,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2022-11-14 19:22:17,069 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;@9a736d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:17,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:22:17,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:17,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:17,403 INFO L85 PathProgramCache]: Analyzing trace with hash -250208034, now seen corresponding path program 1 times [2022-11-14 19:22:17,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:17,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222422581] [2022-11-14 19:22:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:17,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:17,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:17,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222422581] [2022-11-14 19:22:17,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222422581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:17,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:17,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:22:17,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079851267] [2022-11-14 19:22:17,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:17,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:22:17,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:22:17,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:22:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:17,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:17,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:17,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:17,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 19:22:17,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:17,826 INFO L85 PathProgramCache]: Analyzing trace with hash -213235007, now seen corresponding path program 1 times [2022-11-14 19:22:17,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:17,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99166216] [2022-11-14 19:22:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:17,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:17,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99166216] [2022-11-14 19:22:17,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99166216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:17,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:17,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:22:17,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438091580] [2022-11-14 19:22:17,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:17,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:22:17,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:17,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:22:17,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:22:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:17,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:17,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:17,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:17,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 19:22:17,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash -506638013, now seen corresponding path program 1 times [2022-11-14 19:22:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:17,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087545037] [2022-11-14 19:22:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:18,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:18,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087545037] [2022-11-14 19:22:18,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087545037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:18,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:18,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:22:18,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192330939] [2022-11-14 19:22:18,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:18,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:22:18,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:18,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:22:18,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:22:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:18,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:18,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:18,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:18,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:18,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:18,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 19:22:18,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2113214468, now seen corresponding path program 1 times [2022-11-14 19:22:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:18,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353146591] [2022-11-14 19:22:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:18,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:18,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:18,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353146591] [2022-11-14 19:22:18,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353146591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:18,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:18,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:22:18,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543162567] [2022-11-14 19:22:18,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:18,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:22:18,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:22:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:22:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:18,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:18,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:18,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:18,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:18,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:18,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:22:19,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:22:19,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:22:19,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 19:22:19,889 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:22:19,890 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2022-11-14 19:22:19,899 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:19,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:22:19,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:19,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 19:22:19,932 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:22:19,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 19:22:19,933 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;@9a736d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:19,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 19:22:19,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-14 19:22:20,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 19:22:20,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 19:22:20,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 19:22:20,331 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 19:22:20,331 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-14 19:22:20,333 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:20,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:22:20,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:20,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 19:22:20,405 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:22:20,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2022-11-14 19:22:20,406 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;@9a736d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:20,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:22:20,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-14 19:22:20,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:20,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:20,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1978949768, now seen corresponding path program 1 times [2022-11-14 19:22:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:20,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881258961] [2022-11-14 19:22:20,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:20,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:20,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:20,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881258961] [2022-11-14 19:22:20,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881258961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:20,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:20,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:22:20,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77545752] [2022-11-14 19:22:20,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:20,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:22:20,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:20,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:22:20,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:22:20,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:20,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:20,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:20,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:20,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 19:22:20,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:20,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:20,650 INFO L85 PathProgramCache]: Analyzing trace with hash -154794261, now seen corresponding path program 1 times [2022-11-14 19:22:20,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:20,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536630383] [2022-11-14 19:22:20,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:20,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:20,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536630383] [2022-11-14 19:22:20,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536630383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:20,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:20,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:22:20,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479117717] [2022-11-14 19:22:20,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:20,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:22:20,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:20,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:22:20,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:22:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:20,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:20,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:20,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:20,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:20,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 19:22:20,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:20,760 INFO L85 PathProgramCache]: Analyzing trace with hash -154794260, now seen corresponding path program 1 times [2022-11-14 19:22:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:20,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146278021] [2022-11-14 19:22:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:20,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:20,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146278021] [2022-11-14 19:22:20,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146278021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:20,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:20,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:22:20,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738118696] [2022-11-14 19:22:20,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:20,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:22:20,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:20,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:22:20,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:22:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:20,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:20,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:20,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:20,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:20,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:21,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 19:22:21,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:21,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash -530371654, now seen corresponding path program 1 times [2022-11-14 19:22:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362721572] [2022-11-14 19:22:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:21,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:21,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362721572] [2022-11-14 19:22:21,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362721572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:21,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:21,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:22:21,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560085875] [2022-11-14 19:22:21,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:21,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:22:21,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:21,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:22:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:22:21,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:21,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:21,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:21,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:21,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:21,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:21,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:22,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:22:22,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:22:22,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:22:22,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 19:22:22,292 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 19:22:22,292 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2022-11-14 19:22:22,294 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:22,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 19:22:22,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 19:22:22,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 19:22:22,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-14 19:22:22,321 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 19:22:22,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2022-11-14 19:22:22,321 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;@9a736d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 19:22:22,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 19:22:22,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:22,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:22,406 INFO L85 PathProgramCache]: Analyzing trace with hash -511034062, now seen corresponding path program 1 times [2022-11-14 19:22:22,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:22,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174196238] [2022-11-14 19:22:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:22,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:22,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174196238] [2022-11-14 19:22:22,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174196238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:22,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:22,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 19:22:22,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822782268] [2022-11-14 19:22:22,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:22,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 19:22:22,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:22,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 19:22:22,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 19:22:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:22,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:22,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:22,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 19:22:22,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:22,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1703169119, now seen corresponding path program 1 times [2022-11-14 19:22:22,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:22,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677074332] [2022-11-14 19:22:22,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:22,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:22,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:22,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677074332] [2022-11-14 19:22:22,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677074332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:22,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:22,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 19:22:22,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267108908] [2022-11-14 19:22:22,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:22,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 19:22:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 19:22:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 19:22:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:22,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:22,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:22,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:22,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:23,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:22:23,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 19:22:23,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 19:22:23,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 19:22:23,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1268924402, now seen corresponding path program 1 times [2022-11-14 19:22:23,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 19:22:23,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804049886] [2022-11-14 19:22:23,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 19:22:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 19:22:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 19:22:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 19:22:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 19:22:23,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804049886] [2022-11-14 19:22:23,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804049886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 19:22:23,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 19:22:23,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 19:22:23,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604671997] [2022-11-14 19:22:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 19:22:23,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 19:22:23,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 19:22:23,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 19:22:23,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 19:22:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:23,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 19:22:23,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 19:22:23,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:23,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:22:23,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 19:22:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 19:22:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 19:22:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 19:22:24,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 19:22:24,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 19:22:24,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 19:22:24,017 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 19:22:24,018 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE (4/4) [2022-11-14 19:22:24,018 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 19:22:24,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 19:22:24,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:22:24 BasicIcfg [2022-11-14 19:22:24,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 19:22:24,022 INFO L158 Benchmark]: Toolchain (without parser) took 8950.58ms. Allocated memory was 221.2MB in the beginning and 766.5MB in the end (delta: 545.3MB). Free memory was 188.5MB in the beginning and 318.6MB in the end (delta: -130.1MB). Peak memory consumption was 414.9MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,022 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 221.2MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 19:22:24,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.21ms. Allocated memory was 221.2MB in the beginning and 349.2MB in the end (delta: 127.9MB). Free memory was 188.3MB in the beginning and 303.2MB in the end (delta: -114.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 349.2MB. Free memory was 303.2MB in the beginning and 300.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,023 INFO L158 Benchmark]: Boogie Preprocessor took 38.81ms. Allocated memory is still 349.2MB. Free memory was 300.4MB in the beginning and 298.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,023 INFO L158 Benchmark]: RCFGBuilder took 1201.22ms. Allocated memory is still 349.2MB. Free memory was 297.6MB in the beginning and 275.2MB in the end (delta: 22.4MB). Peak memory consumption was 56.7MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,023 INFO L158 Benchmark]: TraceAbstraction took 7121.74ms. Allocated memory was 349.2MB in the beginning and 766.5MB in the end (delta: 417.3MB). Free memory was 274.1MB in the beginning and 318.6MB in the end (delta: -44.5MB). Peak memory consumption was 373.4MB. Max. memory is 8.0GB. [2022-11-14 19:22:24,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 221.2MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 523.21ms. Allocated memory was 221.2MB in the beginning and 349.2MB in the end (delta: 127.9MB). Free memory was 188.3MB in the beginning and 303.2MB in the end (delta: -114.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 349.2MB. Free memory was 303.2MB in the beginning and 300.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.81ms. Allocated memory is still 349.2MB. Free memory was 300.4MB in the beginning and 298.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1201.22ms. Allocated memory is still 349.2MB. Free memory was 297.6MB in the beginning and 275.2MB in the end (delta: 22.4MB). Peak memory consumption was 56.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7121.74ms. Allocated memory was 349.2MB in the beginning and 766.5MB in the end (delta: 417.3MB). Free memory was 274.1MB in the beginning and 318.6MB in the end (delta: -44.5MB). Peak memory consumption was 373.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26785, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 2740, dependent conditional: 2665, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25423, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 1378, dependent conditional: 1303, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25423, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 1378, dependent conditional: 1303, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 4386, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 18, dependent unconditional: 6028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 18, dependent unconditional: 6028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2183, independent: 2106, independent conditional: 12, independent unconditional: 2094, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2183, independent: 2072, independent conditional: 0, independent unconditional: 2072, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 111, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1153, independent: 69, independent conditional: 13, independent unconditional: 56, dependent: 1084, dependent conditional: 4, dependent unconditional: 1080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30091, independent: 21939, independent conditional: 270, independent unconditional: 21669, dependent: 5969, dependent conditional: 16, dependent unconditional: 5953, unknown: 2183, unknown conditional: 14, unknown unconditional: 2169] , Statistics on independence cache: Total cache size (in pairs): 2183, Positive cache size: 2106, Positive conditional cache size: 12, Positive unconditional cache size: 2094, Negative cache size: 77, Negative conditional cache size: 2, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4368, Maximal queried relation: 4, Independence queries for same thread: 1362 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.3s, Number of persistent set computation: 3309, Number of trivial persistent sets: 2966, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2161, independent: 2086, independent conditional: 0, independent unconditional: 2086, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26785, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 2740, dependent conditional: 2665, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25423, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 1378, dependent conditional: 1303, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25423, independent: 24045, independent conditional: 21959, independent unconditional: 2086, dependent: 1378, dependent conditional: 1303, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 4386, dependent unconditional: 1660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 18, dependent unconditional: 6028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30091, independent: 24045, independent conditional: 282, independent unconditional: 23763, dependent: 6046, dependent conditional: 18, dependent unconditional: 6028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2183, independent: 2106, independent conditional: 12, independent unconditional: 2094, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2183, independent: 2072, independent conditional: 0, independent unconditional: 2072, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 111, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 77, dependent conditional: 2, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1153, independent: 69, independent conditional: 13, independent unconditional: 56, dependent: 1084, dependent conditional: 4, dependent unconditional: 1080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30091, independent: 21939, independent conditional: 270, independent unconditional: 21669, dependent: 5969, dependent conditional: 16, dependent unconditional: 5953, unknown: 2183, unknown conditional: 14, unknown unconditional: 2169] , Statistics on independence cache: Total cache size (in pairs): 2183, Positive cache size: 2106, Positive conditional cache size: 12, Positive unconditional cache size: 2094, Negative cache size: 77, Negative conditional cache size: 2, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4368, Maximal queried relation: 4, Independence queries for same thread: 1362 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1359, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 138, dependent conditional: 107, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 992, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 992, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 335, dependent conditional: 0, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1290, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 992, unknown conditional: 0, unknown unconditional: 992] , Statistics on independence cache: Total cache size (in pairs): 992, Positive cache size: 961, Positive conditional cache size: 0, Positive unconditional cache size: 961, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, 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: 69 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 147, Number of trivial persistent sets: 100, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1359, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 138, dependent conditional: 107, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 262, independent unconditional: 959, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1290, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 992, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 992, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 335, dependent conditional: 0, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1290, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 992, unknown conditional: 0, unknown unconditional: 992] , Statistics on independence cache: Total cache size (in pairs): 992, Positive cache size: 961, Positive conditional cache size: 0, Positive unconditional cache size: 961, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, 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: 69 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25999, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 2841, dependent conditional: 2766, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24501, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 1343, dependent conditional: 1268, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24501, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 1343, dependent conditional: 1268, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 4304, dependent unconditional: 1667, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 32, dependent unconditional: 5939, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 32, dependent unconditional: 5939, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2153, independent: 2074, independent conditional: 15, independent unconditional: 2059, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2153, independent: 2037, independent conditional: 0, independent unconditional: 2037, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 116, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, independent: 55, independent conditional: 13, independent unconditional: 42, dependent: 866, dependent conditional: 5, dependent unconditional: 861, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29129, independent: 21084, independent conditional: 309, independent unconditional: 20775, dependent: 5892, dependent conditional: 28, dependent unconditional: 5864, unknown: 2153, unknown conditional: 19, unknown unconditional: 2134] , Statistics on independence cache: Total cache size (in pairs): 2153, Positive cache size: 2074, Positive conditional cache size: 15, Positive unconditional cache size: 2059, Negative cache size: 79, Negative conditional cache size: 4, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4272, Maximal queried relation: 4, Independence queries for same thread: 1498 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 3028, Number of trivial persistent sets: 2736, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2126, independent: 2051, independent conditional: 0, independent unconditional: 2051, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25999, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 2841, dependent conditional: 2766, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24501, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 1343, dependent conditional: 1268, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24501, independent: 23158, independent conditional: 21107, independent unconditional: 2051, dependent: 1343, dependent conditional: 1268, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 4304, dependent unconditional: 1667, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 32, dependent unconditional: 5939, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29129, independent: 23158, independent conditional: 324, independent unconditional: 22834, dependent: 5971, dependent conditional: 32, dependent unconditional: 5939, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2153, independent: 2074, independent conditional: 15, independent unconditional: 2059, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2153, independent: 2037, independent conditional: 0, independent unconditional: 2037, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 116, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 79, dependent conditional: 4, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, independent: 55, independent conditional: 13, independent unconditional: 42, dependent: 866, dependent conditional: 5, dependent unconditional: 861, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29129, independent: 21084, independent conditional: 309, independent unconditional: 20775, dependent: 5892, dependent conditional: 28, dependent unconditional: 5864, unknown: 2153, unknown conditional: 19, unknown unconditional: 2134] , Statistics on independence cache: Total cache size (in pairs): 2153, Positive cache size: 2074, Positive conditional cache size: 15, Positive unconditional cache size: 2059, Negative cache size: 79, Negative conditional cache size: 4, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4272, Maximal queried relation: 4, Independence queries for same thread: 1498 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25767, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 2337, dependent conditional: 2262, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24503, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 1073, dependent conditional: 998, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24503, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 1073, dependent conditional: 998, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 2502, dependent unconditional: 1472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 121, dependent unconditional: 3853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 121, dependent unconditional: 3853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2123, independent: 2042, independent conditional: 20, independent unconditional: 2022, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2123, independent: 2000, independent conditional: 0, independent unconditional: 2000, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 123, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 123, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 915, independent: 57, independent conditional: 17, independent unconditional: 39, dependent: 859, dependent conditional: 7, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27404, independent: 21388, independent conditional: 379, independent unconditional: 21009, dependent: 3893, dependent conditional: 115, dependent unconditional: 3778, unknown: 2123, unknown conditional: 26, unknown unconditional: 2097] , Statistics on independence cache: Total cache size (in pairs): 2123, Positive cache size: 2042, Positive conditional cache size: 20, Positive unconditional cache size: 2022, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2381, Maximal queried relation: 3, Independence queries for same thread: 1264 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 1968, Number of trivial persistent sets: 1621, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2089, independent: 2014, independent conditional: 0, independent unconditional: 2014, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25767, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 2337, dependent conditional: 2262, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24503, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 1073, dependent conditional: 998, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24503, independent: 23430, independent conditional: 21416, independent unconditional: 2014, dependent: 1073, dependent conditional: 998, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 2502, dependent unconditional: 1472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 121, dependent unconditional: 3853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27404, independent: 23430, independent conditional: 399, independent unconditional: 23031, dependent: 3974, dependent conditional: 121, dependent unconditional: 3853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2123, independent: 2042, independent conditional: 20, independent unconditional: 2022, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2123, independent: 2000, independent conditional: 0, independent unconditional: 2000, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 123, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 123, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 81, dependent conditional: 6, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 915, independent: 57, independent conditional: 17, independent unconditional: 39, dependent: 859, dependent conditional: 7, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27404, independent: 21388, independent conditional: 379, independent unconditional: 21009, dependent: 3893, dependent conditional: 115, dependent unconditional: 3778, unknown: 2123, unknown conditional: 26, unknown unconditional: 2097] , Statistics on independence cache: Total cache size (in pairs): 2123, Positive cache size: 2042, Positive conditional cache size: 20, Positive unconditional cache size: 2022, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2381, Maximal queried relation: 3, Independence queries for same thread: 1264 - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 168 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 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, 0.5s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 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, 168 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 168 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 168 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-14 19:22:24,052 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 19:22:24,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-11-14 19:22:24,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-14 19:22:24,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-14 19:22:24,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...