/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-more-buffer-series2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 15:17:53,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 15:17:53,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 15:17:53,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 15:17:53,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 15:17:53,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 15:17:53,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 15:17:53,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 15:17:53,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 15:17:53,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 15:17:53,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 15:17:53,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 15:17:53,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 15:17:53,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 15:17:53,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 15:17:53,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 15:17:53,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 15:17:53,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 15:17:53,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 15:17:53,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 15:17:53,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 15:17:53,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 15:17:53,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 15:17:53,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 15:17:53,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 15:17:53,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 15:17:53,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 15:17:53,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 15:17:53,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 15:17:53,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 15:17:53,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 15:17:53,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 15:17:53,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 15:17:53,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 15:17:53,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 15:17:53,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 15:17:53,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 15:17:53,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 15:17:53,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 15:17:53,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 15:17:53,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 15:17:53,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 15:17:53,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 15:17:53,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 15:17:53,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 15:17:53,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 15:17:53,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 15:17:53,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 15:17:53,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 15:17:53,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 15:17:53,398 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 15:17:53,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 15:17:53,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 15:17:53,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 15:17:53,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 15:17:53,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 15:17:53,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 15:17:53,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:17:53,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 15:17:53,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 15:17:53,402 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 15:17:53,402 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 15:17:53,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 15:17:53,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 15:17:53,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 15:17:53,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 15:17:53,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 15:17:53,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 15:17:53,630 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 15:17:53,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-11-15 15:17:53,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17309039/dfbc7f26e187429ca8c6830ca51fd4a6/FLAGc2a76baf4 [2022-11-15 15:17:54,068 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 15:17:54,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-11-15 15:17:54,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17309039/dfbc7f26e187429ca8c6830ca51fd4a6/FLAGc2a76baf4 [2022-11-15 15:17:54,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17309039/dfbc7f26e187429ca8c6830ca51fd4a6 [2022-11-15 15:17:54,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 15:17:54,093 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 15:17:54,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 15:17:54,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 15:17:54,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 15:17:54,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c0bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54, skipping insertion in model container [2022-11-15 15:17:54,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 15:17:54,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 15:17:54,335 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-more-buffer-series2.wvr.c[4232,4245] [2022-11-15 15:17:54,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:17:54,343 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 15:17:54,372 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-more-buffer-series2.wvr.c[4232,4245] [2022-11-15 15:17:54,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 15:17:54,385 INFO L208 MainTranslator]: Completed translation [2022-11-15 15:17:54,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54 WrapperNode [2022-11-15 15:17:54,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 15:17:54,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 15:17:54,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 15:17:54,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 15:17:54,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,438 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 394 [2022-11-15 15:17:54,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 15:17:54,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 15:17:54,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 15:17:54,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 15:17:54,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 15:17:54,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 15:17:54,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 15:17:54,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 15:17:54,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (1/1) ... [2022-11-15 15:17:54,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 15:17:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:17:54,487 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 15:17:54,493 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 15:17:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 15:17:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 15:17:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 15:17:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 15:17:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 15:17:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 15:17:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 15:17:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 15:17:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 15:17:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 15:17:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-15 15:17:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 15:17:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 15:17:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 15:17:54,532 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 15:17:54,616 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 15:17:54,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 15:17:55,040 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 15:17:55,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 15:17:55,419 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-15 15:17:55,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:17:55 BoogieIcfgContainer [2022-11-15 15:17:55,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 15:17:55,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 15:17:55,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 15:17:55,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 15:17:55,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 03:17:54" (1/3) ... [2022-11-15 15:17:55,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf07424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:17:55, skipping insertion in model container [2022-11-15 15:17:55,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:17:54" (2/3) ... [2022-11-15 15:17:55,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf07424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:17:55, skipping insertion in model container [2022-11-15 15:17:55,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:17:55" (3/3) ... [2022-11-15 15:17:55,428 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2022-11-15 15:17:55,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 15:17:55,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 15:17:55,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-15 15:17:55,442 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 15:17:55,595 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-15 15:17:55,632 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 15:17:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 15:17:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:17:55,635 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 15:17:55,660 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 15:17:55,673 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 15:17:55,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-11-15 15:17:55,686 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;@31aabbb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 15:17:55,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-15 15:17:56,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:17:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:17:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1886231601, now seen corresponding path program 1 times [2022-11-15 15:17:56,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:17:56,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526078437] [2022-11-15 15:17:56,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:17:56,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:17:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:17:56,530 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 15:17:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:17:56,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526078437] [2022-11-15 15:17:56,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526078437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:17:56,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:17:56,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 15:17:56,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980339813] [2022-11-15 15:17:56,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:17:56,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 15:17:56,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:17:56,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 15:17:56,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 15:17:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:56,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:17:56,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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 15:17:56,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:56,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 15:17:56,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:17:56,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:17:56,580 INFO L85 PathProgramCache]: Analyzing trace with hash 785802287, now seen corresponding path program 1 times [2022-11-15 15:17:56,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:17:56,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257904411] [2022-11-15 15:17:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:17:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:17:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:17:56,851 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 15:17:56,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:17:56,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257904411] [2022-11-15 15:17:56,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257904411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:17:56,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:17:56,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 15:17:56,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130084717] [2022-11-15 15:17:56,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:17:56,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 15:17:56,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:17:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 15:17:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 15:17:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:56,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:17:56,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 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 15:17:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:17:57,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 15:17:57,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:17:57,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:17:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1891129231, now seen corresponding path program 1 times [2022-11-15 15:17:57,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:17:57,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908462370] [2022-11-15 15:17:57,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:17:57,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:17:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:17:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:17:58,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:17:58,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908462370] [2022-11-15 15:17:58,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908462370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 15:17:58,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 15:17:58,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 15:17:58,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544665095] [2022-11-15 15:17:58,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 15:17:58,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 15:17:58,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:17:58,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 15:17:58,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-15 15:17:58,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:58,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:17:58,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.375) internal successors, (155), 8 states have internal predecessors, (155), 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 15:17:58,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:58,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:17:58,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:17:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:17:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:17:58,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 15:17:58,782 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:17:58,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:17:58,783 INFO L85 PathProgramCache]: Analyzing trace with hash 895401745, now seen corresponding path program 1 times [2022-11-15 15:17:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:17:58,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270065090] [2022-11-15 15:17:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:17:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:17:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:17:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:17:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:17:59,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270065090] [2022-11-15 15:17:59,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270065090] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:17:59,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505476846] [2022-11-15 15:17:59,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:17:59,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:17:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:17:59,626 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 15:17:59,672 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 15:17:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:17:59,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-15 15:17:59,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:18:00,309 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 11 treesize of output 7 [2022-11-15 15:18:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:00,511 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 15:18:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:00,555 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 15:18:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:00,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:18:00,832 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:00,832 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 29 treesize of output 30 [2022-11-15 15:18:00,840 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:00,840 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 80 treesize of output 76 [2022-11-15 15:18:00,845 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 60 treesize of output 48 [2022-11-15 15:18:00,849 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 26 treesize of output 20 [2022-11-15 15:18:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:01,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505476846] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:18:01,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:18:01,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2022-11-15 15:18:01,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914564242] [2022-11-15 15:18:01,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:18:01,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-15 15:18:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:18:01,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-15 15:18:01,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1229, Unknown=13, NotChecked=0, Total=1406 [2022-11-15 15:18:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:01,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:18:01,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 9.216216216216216) internal successors, (341), 38 states have internal predecessors, (341), 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 15:18:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:03,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 15:18:03,415 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,SelfDestructingSolverStorable3 [2022-11-15 15:18:03,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:18:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:18:03,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1127066511, now seen corresponding path program 1 times [2022-11-15 15:18:03,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:18:03,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208567973] [2022-11-15 15:18:03,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:18:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:03,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:18:03,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208567973] [2022-11-15 15:18:03,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208567973] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:18:03,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363964447] [2022-11-15 15:18:03,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:03,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:18:03,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:18:03,585 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 15:18:03,600 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 15:18:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:03,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 15:18:03,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:18:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:03,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:18:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:04,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363964447] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:18:04,100 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:18:04,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-11-15 15:18:04,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352957159] [2022-11-15 15:18:04,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:18:04,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 15:18:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:18:04,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 15:18:04,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 15:18:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:04,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:18:04,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.0) internal successors, (216), 19 states have internal predecessors, (216), 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 15:18:04,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:04,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:04,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:04,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:04,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:05,623 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 15:18:05,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:18:05,802 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:18:05,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:18:05,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1238538568, now seen corresponding path program 1 times [2022-11-15 15:18:05,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:18:05,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429110291] [2022-11-15 15:18:05,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:05,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:18:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:06,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:18:06,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429110291] [2022-11-15 15:18:06,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429110291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:18:06,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593469461] [2022-11-15 15:18:06,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:06,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:18:06,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:18:06,602 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 15:18:06,604 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 15:18:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:06,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-15 15:18:06,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:18:07,455 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 11 treesize of output 7 [2022-11-15 15:18:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:07,728 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 15:18:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:07,795 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 15:18:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:07,864 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 15:18:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:07,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:18:07,903 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_201 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_201) c_~f~0.base) (+ c_~f~0.offset (* c_~j~0 4))) 2147483649)) is different from false [2022-11-15 15:18:10,184 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:10,184 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 15:18:10,190 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:10,191 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 156 treesize of output 152 [2022-11-15 15:18:10,194 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 136 treesize of output 112 [2022-11-15 15:18:10,197 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 112 treesize of output 100 [2022-11-15 15:18:10,201 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 52 treesize of output 46 [2022-11-15 15:18:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:11,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593469461] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 15:18:11,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 15:18:11,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 41 [2022-11-15 15:18:11,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125249516] [2022-11-15 15:18:11,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 15:18:11,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-15 15:18:11,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 15:18:11,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-15 15:18:11,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1414, Unknown=28, NotChecked=78, Total=1722 [2022-11-15 15:18:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:11,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 15:18:11,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 8.658536585365853) internal successors, (355), 42 states have internal predecessors, (355), 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 15:18:11,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:11,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:11,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 15:18:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-15 15:18:12,658 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 15:18:12,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:18:12,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-15 15:18:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 15:18:12,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1656207932, now seen corresponding path program 1 times [2022-11-15 15:18:12,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 15:18:12,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762083709] [2022-11-15 15:18:12,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:12,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 15:18:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:13,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 15:18:13,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762083709] [2022-11-15 15:18:13,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762083709] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 15:18:13,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289756997] [2022-11-15 15:18:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 15:18:13,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:18:13,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 15:18:13,827 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 15:18:13,870 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 15:18:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 15:18:13,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-15 15:18:13,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 15:18:14,882 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 11 treesize of output 7 [2022-11-15 15:18:15,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:15,201 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 14 treesize of output 16 [2022-11-15 15:18:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:15,283 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 15:18:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:15,358 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 15:18:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 15:18:15,412 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 15:18:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 15:18:15,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 15:18:15,867 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:15,868 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 35 treesize of output 36 [2022-11-15 15:18:15,888 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 15:18:15,889 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 78338 treesize of output 76294 [2022-11-15 15:18:16,143 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 76278 treesize of output 74742 [2022-11-15 15:18:16,378 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 74742 treesize of output 71670 [2022-11-15 15:18:16,585 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 71670 treesize of output 59382 [2022-11-15 15:18:16,831 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 59382 treesize of output 53238 Received shutdown request... [2022-11-15 15:32:29,821 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-15 15:32:29,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-15 15:32:29,845 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 15:32:29,866 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 15:32:29,866 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 15:32:30,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 15:32:30,028 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. [2022-11-15 15:32:30,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-15 15:32:30,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-15 15:32:30,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-15 15:32:30,031 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-15 15:32:30,031 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-15 15:32:30,037 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-15 15:32:30,038 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/5) [2022-11-15 15:32:30,040 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 15:32:30,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 15:32:30,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 03:32:30 BasicIcfg [2022-11-15 15:32:30,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 15:32:30,044 INFO L158 Benchmark]: Toolchain (without parser) took 875950.98ms. Allocated memory was 223.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 197.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-11-15 15:32:30,044 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 15:32:30,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.80ms. Allocated memory is still 223.3MB. Free memory was 196.4MB in the beginning and 191.6MB in the end (delta: 4.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-11-15 15:32:30,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.13ms. Allocated memory is still 223.3MB. Free memory was 191.6MB in the beginning and 188.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 15:32:30,045 INFO L158 Benchmark]: Boogie Preprocessor took 23.05ms. Allocated memory is still 223.3MB. Free memory was 188.5MB in the beginning and 186.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 15:32:30,045 INFO L158 Benchmark]: RCFGBuilder took 959.32ms. Allocated memory is still 223.3MB. Free memory was 186.4MB in the beginning and 118.5MB in the end (delta: 68.0MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2022-11-15 15:32:30,046 INFO L158 Benchmark]: TraceAbstraction took 874620.12ms. Allocated memory was 223.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 117.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 952.4MB. Max. memory is 8.0GB. [2022-11-15 15:32:30,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 295.80ms. Allocated memory is still 223.3MB. Free memory was 196.4MB in the beginning and 191.6MB in the end (delta: 4.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.13ms. Allocated memory is still 223.3MB. Free memory was 191.6MB in the beginning and 188.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.05ms. Allocated memory is still 223.3MB. Free memory was 188.5MB in the beginning and 186.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 959.32ms. Allocated memory is still 223.3MB. Free memory was 186.4MB in the beginning and 118.5MB in the end (delta: 68.0MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * TraceAbstraction took 874620.12ms. Allocated memory was 223.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 117.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 952.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1378, independent: 1332, independent conditional: 29, independent unconditional: 1303, dependent: 46, dependent conditional: 39, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 1196, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 39, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1374, independent: 1330, independent conditional: 27, independent unconditional: 1303, dependent: 44, dependent conditional: 37, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 1196, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 76, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 115458, independent: 81779, independent conditional: 76172, independent unconditional: 5607, dependent: 33679, dependent conditional: 33647, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 3686, Positive cache size: 3588, Positive conditional cache size: 0, Positive unconditional cache size: 3588, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 22815, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 115594, independent: 81878, independent conditional: 76228, independent unconditional: 5650, dependent: 33716, dependent conditional: 33683, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 4930, Positive cache size: 4797, Positive conditional cache size: 0, Positive unconditional cache size: 4797, Negative cache size: 133, Negative conditional cache size: 0, Negative unconditional cache size: 133, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 45582, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 116145, independent: 82262, independent conditional: 76542, independent unconditional: 5720, dependent: 33883, dependent conditional: 33850, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 6986, Positive cache size: 6763, Positive conditional cache size: 0, Positive unconditional cache size: 6763, Negative cache size: 223, Negative conditional cache size: 0, Negative unconditional cache size: 223, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 68484, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 295474, independent: 190499, independent conditional: 184688, independent unconditional: 5811, dependent: 104975, dependent conditional: 104942, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 8246, Positive cache size: 7974, Positive conditional cache size: 0, Positive unconditional cache size: 7974, Negative cache size: 272, Negative conditional cache size: 0, Negative unconditional cache size: 272, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 151496, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 299182, independent: 193069, independent conditional: 187246, independent unconditional: 5823, dependent: 106113, dependent conditional: 106080, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 8316, Positive cache size: 8031, Positive conditional cache size: 0, Positive unconditional cache size: 8031, Negative cache size: 285, Negative conditional cache size: 0, Negative unconditional cache size: 285, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 235132, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 153, Number of trivial persistent sets: 145, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1378, independent: 1332, independent conditional: 29, independent unconditional: 1303, dependent: 46, dependent conditional: 39, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 1196, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 39, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 153, Number of trivial persistent sets: 145, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1374, independent: 1330, independent conditional: 27, independent unconditional: 1303, dependent: 44, dependent conditional: 37, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 1196, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 76, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2246, Number of trivial persistent sets: 1674, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 115458, independent: 81779, independent conditional: 76172, independent unconditional: 5607, dependent: 33679, dependent conditional: 33647, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 3686, Positive cache size: 3588, Positive conditional cache size: 0, Positive unconditional cache size: 3588, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 22815, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 2246, Number of trivial persistent sets: 1674, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 115594, independent: 81878, independent conditional: 76228, independent unconditional: 5650, dependent: 33716, dependent conditional: 33683, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 4930, Positive cache size: 4797, Positive conditional cache size: 0, Positive unconditional cache size: 4797, Negative cache size: 133, Negative conditional cache size: 0, Negative unconditional cache size: 133, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 45582, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2247, Number of trivial persistent sets: 1674, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 116145, independent: 82262, independent conditional: 76542, independent unconditional: 5720, dependent: 33883, dependent conditional: 33850, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 6986, Positive cache size: 6763, Positive conditional cache size: 0, Positive unconditional cache size: 6763, Negative cache size: 223, Negative conditional cache size: 0, Negative unconditional cache size: 223, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 68484, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 4587, Number of trivial persistent sets: 2214, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 295474, independent: 190499, independent conditional: 184688, independent unconditional: 5811, dependent: 104975, dependent conditional: 104942, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 8246, Positive cache size: 7974, Positive conditional cache size: 0, Positive unconditional cache size: 7974, Negative cache size: 272, Negative conditional cache size: 0, Negative unconditional cache size: 272, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 151496, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 4589, Number of trivial persistent sets: 2214, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 299182, independent: 193069, independent conditional: 187246, independent unconditional: 5823, dependent: 106113, dependent conditional: 106080, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944605, independent: 632149, independent conditional: 600932, independent unconditional: 31217, dependent: 312456, dependent conditional: 312278, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 709473, independent: 632149, independent conditional: 0, independent unconditional: 632149, dependent: 77324, dependent conditional: 0, dependent unconditional: 77324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8316, independent: 8031, independent conditional: 0, independent unconditional: 8031, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 709473, independent: 624118, independent conditional: 0, independent unconditional: 624118, dependent: 77039, dependent conditional: 0, dependent unconditional: 77039, unknown: 8316, unknown conditional: 0, unknown unconditional: 8316] , Statistics on independence cache: Total cache size (in pairs): 8316, Positive cache size: 8031, Positive conditional cache size: 0, Positive unconditional cache size: 8031, Negative cache size: 285, Negative conditional cache size: 0, Negative unconditional cache size: 285, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 235132, Statistics for Abstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork2 with 1 thread instances CFG has 9 procedures, 339 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 874.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 75, 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, 8.6s InterpolantComputationTime, 1454 NumberOfCodeBlocks, 1454 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1942 ConstructedInterpolants, 62 QuantifiedInterpolants, 17494 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 12/25 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