/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-VarAbsGlobalSyntactic.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/weaver/popl20-three-array-min.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 15:32:33,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 15:32:33,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 15:32:33,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 15:32:33,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 15:32:33,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 15:32:33,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 15:32:33,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 15:32:33,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 15:32:33,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 15:32:33,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 15:32:33,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 15:32:33,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 15:32:33,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 15:32:33,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 15:32:33,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 15:32:33,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 15:32:33,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 15:32:33,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 15:32:33,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 15:32:33,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 15:32:33,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 15:32:33,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 15:32:33,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 15:32:33,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 15:32:33,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 15:32:33,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 15:32:33,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 15:32:33,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 15:32:33,345 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 15:32:33,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 15:32:33,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 15:32:33,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 15:32:33,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:32:33,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 15:32:33,348 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 15:32:33,349 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 15:32:33,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 15:32:33,349 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 15:32:33,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 15:32:33,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 15:32:33,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 15:32:33,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 15:32:33,518 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 15:32:33,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-11-15 15:32:33,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0d4714c/302aef90e67743038ccfea0803bffecf/FLAG6a338413d [2022-11-15 15:32:33,914 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 15:32:33,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-11-15 15:32:33,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0d4714c/302aef90e67743038ccfea0803bffecf/FLAG6a338413d [2022-11-15 15:32:33,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0d4714c/302aef90e67743038ccfea0803bffecf [2022-11-15 15:32:33,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 15:32:33,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 15:32:33,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 15:32:33,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 15:32:33,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 15:32:33,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:32:33" (1/1) ... [2022-11-15 15:32:33,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661cd4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:33, skipping insertion in model container [2022-11-15 15:32:33,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:32:33" (1/1) ... [2022-11-15 15:32:33,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 15:32:33,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 15:32:34,102 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-11-15 15:32:34,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:32:34,112 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 15:32:34,131 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-11-15 15:32:34,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:32:34,143 INFO L208 MainTranslator]: Completed translation [2022-11-15 15:32:34,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34 WrapperNode [2022-11-15 15:32:34,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 15:32:34,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 15:32:34,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 15:32:34,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 15:32:34,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,195 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 284 [2022-11-15 15:32:34,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 15:32:34,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 15:32:34,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 15:32:34,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 15:32:34,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 15:32:34,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 15:32:34,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 15:32:34,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 15:32:34,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (1/1) ... [2022-11-15 15:32:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:32:34,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:32:34,275 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) [2022-11-15 15:32:34,290 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 [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 15:32:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 15:32:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 15:32:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 15:32:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 15:32:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 15:32:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 15:32:34,301 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 15:32:34,370 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 15:32:34,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 15:32:34,794 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 15:32:35,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 15:32:35,004 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-15 15:32:35,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:32:35 BoogieIcfgContainer [2022-11-15 15:32:35,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 15:32:35,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 15:32:35,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 15:32:35,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 15:32:35,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 03:32:33" (1/3) ... [2022-11-15 15:32:35,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cde5336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:32:35, skipping insertion in model container [2022-11-15 15:32:35,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:32:34" (2/3) ... [2022-11-15 15:32:35,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cde5336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:32:35, skipping insertion in model container [2022-11-15 15:32:35,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:32:35" (3/3) ... [2022-11-15 15:32:35,016 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2022-11-15 15:32:35,024 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 15:32:35,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 15:32:35,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-15 15:32:35,030 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 15:32:35,175 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 15:32:35,220 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 15:32:35,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 15:32:35,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:32:35,224 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) [2022-11-15 15:32:35,225 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 [2022-11-15 15:32:35,250 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 15:32:35,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-11-15 15:32:35,263 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;@6e3a6bcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 15:32:35,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-15 15:32:35,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:35,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:35,699 INFO L85 PathProgramCache]: Analyzing trace with hash -362787423, now seen corresponding path program 1 times [2022-11-15 15:32:35,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:35,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504293536] [2022-11-15 15:32:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:35,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:32:35,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:32:35,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504293536] [2022-11-15 15:32:35,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504293536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:32:35,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:32:35,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 15:32:35,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166728484] [2022-11-15 15:32:35,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:32:35,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 15:32:35,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:32:35,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 15:32:35,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 15:32:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:35,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:32:35,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 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) [2022-11-15 15:32:35,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 15:32:36,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:36,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2067831559, now seen corresponding path program 1 times [2022-11-15 15:32:36,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:36,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257182116] [2022-11-15 15:32:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:36,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 15:32:36,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:32:36,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257182116] [2022-11-15 15:32:36,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257182116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:32:36,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:32:36,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 15:32:36,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979812948] [2022-11-15 15:32:36,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:32:36,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 15:32:36,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:32:36,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 15:32:36,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 15:32:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:32:36,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2022-11-15 15:32:36,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:36,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 15:32:36,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 676623740, now seen corresponding path program 1 times [2022-11-15 15:32:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:36,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446359447] [2022-11-15 15:32:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 15:32:37,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:32:37,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446359447] [2022-11-15 15:32:37,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446359447] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:32:37,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073481979] [2022-11-15 15:32:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:37,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:32:37,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:32:37,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 15:32:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:37,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 15:32:37,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:32:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 15:32:37,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:32:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 15:32:37,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073481979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:32:37,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:32:37,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 15:32:37,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704943717] [2022-11-15 15:32:37,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:32:37,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 15:32:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:32:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 15:32:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-11-15 15:32:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:37,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:32:37,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.68421052631579) internal successors, (241), 19 states have internal predecessors, (241), 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) [2022-11-15 15:32:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:37,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 15:32:38,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 15:32:38,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-15 15:32:38,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:38,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 9815513, now seen corresponding path program 2 times [2022-11-15 15:32:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:38,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002033190] [2022-11-15 15:32:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 15:32:40,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:32:40,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002033190] [2022-11-15 15:32:40,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002033190] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:32:40,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267180867] [2022-11-15 15:32:40,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 15:32:40,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:40,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:32:40,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:32:40,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 15:32:40,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 15:32:40,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 15:32:40,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-15 15:32:40,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:32:40,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 15:32:41,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-15 15:32:41,322 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 15:32:41,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 15:32:41,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 15:32:41,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 15:32:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:32:41,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 15:32:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:32:41,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 15:32:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-15 15:32:41,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:32:42,011 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_139 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_139) c_~B~0.base) (+ 4 c_~B~0.offset)) 9223372039002259456))) is different from false [2022-11-15 15:32:42,275 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (v_ArrVal_137 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_138) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_139) c_~B~0.base) (+ 4 c_~B~0.offset)) 9223372039002259456))) is different from false [2022-11-15 15:32:42,745 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:42,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2022-11-15 15:32:42,755 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:42,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 300 [2022-11-15 15:32:42,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 270 [2022-11-15 15:32:42,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 238 [2022-11-15 15:32:42,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 114 [2022-11-15 15:32:43,497 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:43,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-11-15 15:32:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 8 not checked. [2022-11-15 15:32:43,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267180867] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:32:43,741 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:32:43,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 19, 19] total 65 [2022-11-15 15:32:43,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399418738] [2022-11-15 15:32:43,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:32:43,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-11-15 15:32:43,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:32:43,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-11-15 15:32:43,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3720, Unknown=25, NotChecked=250, Total=4290 [2022-11-15 15:32:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:43,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:32:43,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 9.107692307692307) internal successors, (592), 66 states have internal predecessors, (592), 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) [2022-11-15 15:32:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 15:32:43,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 15:32:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 15:32:48,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 15:32:48,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:48,643 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:48,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:48,644 INFO L85 PathProgramCache]: Analyzing trace with hash 9815516, now seen corresponding path program 1 times [2022-11-15 15:32:48,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:48,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403944140] [2022-11-15 15:32:48,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:48,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 15:32:50,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:32:50,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403944140] [2022-11-15 15:32:50,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403944140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:32:50,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092362893] [2022-11-15 15:32:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:50,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:50,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:32:50,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:32:50,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 15:32:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:32:50,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-15 15:32:50,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:32:50,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 15:32:50,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-15 15:32:51,255 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 15:32:51,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 15:32:51,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 15:32:51,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 15:32:51,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:32:51,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 15:32:51,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:32:51,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 15:32:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-15 15:32:51,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:32:52,550 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:52,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-15 15:32:52,561 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:52,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1106 treesize of output 1060 [2022-11-15 15:32:52,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1046 treesize of output 1014 [2022-11-15 15:32:52,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1014 treesize of output 886 [2022-11-15 15:32:52,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 886 treesize of output 822 [2022-11-15 15:32:54,487 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:32:54,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-11-15 15:32:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-15 15:32:54,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092362893] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:32:54,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:32:54,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 19, 19] total 63 [2022-11-15 15:32:54,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852325672] [2022-11-15 15:32:54,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:32:54,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-15 15:32:54,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:32:54,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-15 15:32:54,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3682, Unknown=38, NotChecked=0, Total=4032 [2022-11-15 15:32:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:54,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:32:54,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 9.333333333333334) internal successors, (588), 64 states have internal predecessors, (588), 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) [2022-11-15 15:32:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 15:32:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 15:32:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:32:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 15:32:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 15:32:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 15:32:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-11-15 15:32:58,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 15:32:58,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:58,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-15 15:32:58,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:32:58,913 INFO L85 PathProgramCache]: Analyzing trace with hash 9815517, now seen corresponding path program 1 times [2022-11-15 15:32:58,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:32:58,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299848988] [2022-11-15 15:32:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:32:58,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:32:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:33:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-15 15:33:00,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:33:00,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299848988] [2022-11-15 15:33:00,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299848988] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:33:00,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279788166] [2022-11-15 15:33:00,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:33:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:33:00,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:33:00,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 15:33:00,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 15:33:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:33:00,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-15 15:33:00,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:33:00,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 15:33:00,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-15 15:33:01,067 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-15 15:33:01,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-15 15:33:01,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:01,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:01,427 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 15:33:01,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 15:33:01,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:01,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:33:01,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:33:01,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 15:33:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-15 15:33:02,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:33:04,618 WARN L833 $PredicateComparison]: unable to prove that (forall ((~B~0.offset Int) (~B~0.base Int) (v_ArrVal_268 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_268))) (let ((.cse1 (select (select .cse0 ~B~0.base) (+ ~B~0.offset 4)))) (or (<= (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4)) .cse1) 2147483647) (not (<= .cse1 0)) (< (+ 9223372039002259455 .cse1) 0))))) is different from false [2022-11-15 15:33:04,657 WARN L833 $PredicateComparison]: unable to prove that (forall ((~B~0.offset Int) (~B~0.base Int) (v_ArrVal_267 (Array Int Int)) (v_ArrVal_268 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_267) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_268))) (let ((.cse0 (select (select .cse1 ~B~0.base) (+ ~B~0.offset 4)))) (or (not (<= .cse0 0)) (<= (+ (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset 4)) .cse0) 2147483647) (< (+ 9223372039002259455 .cse0) 0))))) is different from false [2022-11-15 15:33:06,959 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:33:06,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 99 [2022-11-15 15:33:07,006 INFO L321 Elim1Store]: treesize reduction 4, result has 89.7 percent of original size [2022-11-15 15:33:07,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96405 treesize of output 93335 [2022-11-15 15:33:07,316 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:33:07,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93297 treesize of output 89177 [2022-11-15 15:33:07,625 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:33:07,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89169 treesize of output 80921 [2022-11-15 15:33:07,937 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:33:07,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80913 treesize of output 64409 [2022-11-15 15:33:08,240 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:33:08,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64167 treesize of output 62111 Received shutdown request... [2022-11-15 15:47:07,231 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-11-15 15:47:07,249 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-15 15:47:07,259 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 15:47:07,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 15:47:07,259 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 15:47:07,259 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 15:47:07,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:47:07,450 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. [2022-11-15 15:47:07,451 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-15 15:47:07,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-15 15:47:07,455 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-11-15 15:47:07,456 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/4) [2022-11-15 15:47:07,457 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 15:47:07,457 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 15:47:07,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 03:47:07 BasicIcfg [2022-11-15 15:47:07,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 15:47:07,459 INFO L158 Benchmark]: Toolchain (without parser) took 873528.04ms. Allocated memory was 194.0MB in the beginning and 1.0GB in the end (delta: 837.8MB). Free memory was 141.3MB in the beginning and 552.5MB in the end (delta: -411.2MB). Peak memory consumption was 624.3MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,459 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 15:47:07,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.74ms. Allocated memory is still 194.0MB. Free memory was 141.1MB in the beginning and 164.4MB in the end (delta: -23.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.86ms. Allocated memory is still 194.0MB. Free memory was 164.4MB in the beginning and 161.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,460 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 194.0MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,460 INFO L158 Benchmark]: RCFGBuilder took 776.55ms. Allocated memory is still 194.0MB. Free memory was 159.8MB in the beginning and 96.4MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,460 INFO L158 Benchmark]: TraceAbstraction took 872447.61ms. Allocated memory was 194.0MB in the beginning and 1.0GB in the end (delta: 837.8MB). Free memory was 95.3MB in the beginning and 552.5MB in the end (delta: -457.2MB). Peak memory consumption was 579.1MB. Max. memory is 8.0GB. [2022-11-15 15:47:07,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.74ms. Allocated memory is still 194.0MB. Free memory was 141.1MB in the beginning and 164.4MB in the end (delta: -23.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.86ms. Allocated memory is still 194.0MB. Free memory was 164.4MB in the beginning and 161.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 194.0MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 776.55ms. Allocated memory is still 194.0MB. Free memory was 159.8MB in the beginning and 96.4MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 872447.61ms. Allocated memory was 194.0MB in the beginning and 1.0GB in the end (delta: 837.8MB). Free memory was 95.3MB in the beginning and 552.5MB in the end (delta: -457.2MB). Peak memory consumption was 579.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1569, independent: 1508, independent conditional: 33, independent unconditional: 1475, dependent: 61, dependent conditional: 58, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 1364, Positive cache size: 1361, Positive conditional cache size: 0, Positive unconditional cache size: 1361, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1565, independent: 1506, independent conditional: 31, independent unconditional: 1475, dependent: 59, dependent conditional: 56, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 1364, Positive cache size: 1361, Positive conditional cache size: 0, Positive unconditional cache size: 1361, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 114, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1617, independent: 1523, independent conditional: 55, independent unconditional: 1468, dependent: 94, dependent conditional: 90, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2173, Positive conditional cache size: 0, Positive unconditional cache size: 2173, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 204, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1701, independent: 1559, independent conditional: 91, independent unconditional: 1468, dependent: 142, dependent conditional: 138, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2173, Positive conditional cache size: 0, Positive unconditional cache size: 2173, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 342, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1809, independent: 1619, independent conditional: 151, independent unconditional: 1468, dependent: 190, dependent conditional: 186, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2820, Positive cache size: 2812, Positive conditional cache size: 0, Positive unconditional cache size: 2812, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 528, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1809, independent: 1619, independent conditional: 151, independent unconditional: 1468, dependent: 190, dependent conditional: 186, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2820, Positive cache size: 2812, Positive conditional cache size: 0, Positive unconditional cache size: 2812, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 714, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 178, Number of trivial persistent sets: 169, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1569, independent: 1508, independent conditional: 33, independent unconditional: 1475, dependent: 61, dependent conditional: 58, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 1364, Positive cache size: 1361, Positive conditional cache size: 0, Positive unconditional cache size: 1361, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 178, Number of trivial persistent sets: 169, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1565, independent: 1506, independent conditional: 31, independent unconditional: 1475, dependent: 59, dependent conditional: 56, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 1364, Positive cache size: 1361, Positive conditional cache size: 0, Positive unconditional cache size: 1361, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 114, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 208, Number of trivial persistent sets: 199, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1617, independent: 1523, independent conditional: 55, independent unconditional: 1468, dependent: 94, dependent conditional: 90, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2173, Positive conditional cache size: 0, Positive unconditional cache size: 2173, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 204, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 208, Number of trivial persistent sets: 199, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1701, independent: 1559, independent conditional: 91, independent unconditional: 1468, dependent: 142, dependent conditional: 138, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2173, Positive conditional cache size: 0, Positive unconditional cache size: 2173, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 342, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 208, Number of trivial persistent sets: 199, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1809, independent: 1619, independent conditional: 151, independent unconditional: 1468, dependent: 190, dependent conditional: 186, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2820, Positive cache size: 2812, Positive conditional cache size: 0, Positive unconditional cache size: 2812, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 528, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 208, Number of trivial persistent sets: 199, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1809, independent: 1619, independent conditional: 151, independent unconditional: 1468, dependent: 190, dependent conditional: 186, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10070, independent: 9334, independent conditional: 512, independent unconditional: 8822, dependent: 736, dependent conditional: 714, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9356, independent: 9334, independent conditional: 0, independent unconditional: 9334, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2820, independent: 2812, independent conditional: 0, independent unconditional: 2812, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9356, independent: 6522, independent conditional: 0, independent unconditional: 6522, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2820, unknown conditional: 0, unknown unconditional: 2820] , Statistics on independence cache: Total cache size (in pairs): 2820, Positive cache size: 2812, Positive conditional cache size: 0, Positive unconditional cache size: 2812, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 714, Statistics for Abstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 425 locations, 49 error locations. Started 1 CEGAR loops. OverallTime: 872.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 10.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 162, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 1631 NumberOfCodeBlocks, 1631 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2262 ConstructedInterpolants, 248 QuantifiedInterpolants, 24784 SizeOfPredicates, 47 NumberOfNonLiveVariables, 1364 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 68/207 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown