/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 16:17:21,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 16:17:21,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 16:17:21,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 16:17:21,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 16:17:21,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 16:17:21,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 16:17:21,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 16:17:21,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 16:17:21,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 16:17:21,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 16:17:21,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 16:17:21,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 16:17:21,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 16:17:21,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 16:17:21,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 16:17:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 16:17:21,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 16:17:21,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 16:17:21,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 16:17:21,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 16:17:21,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 16:17:21,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 16:17:21,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 16:17:21,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-10 16:17:21,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-10 16:17:21,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-10 16:17:21,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-10 16:17:21,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-10 16:17:21,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-10 16:17:21,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-10 16:17:21,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-10 16:17:21,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-10 16:17:21,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-10 16:17:21,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-10 16:17:21,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-10 16:17:21,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-10 16:17:21,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-10 16:17:21,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 16:17:21,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 16:17:21,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 16:17:21,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf [2023-01-10 16:17:21,902 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 16:17:21,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 16:17:21,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 16:17:21,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 16:17:21,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 16:17:21,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 16:17:21,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 16:17:21,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 16:17:21,904 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 16:17:21,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 16:17:21,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 16:17:21,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 16:17:21,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 16:17:21,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 16:17:21,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 16:17:22,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 16:17:22,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 16:17:22,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 16:17:22,106 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 16:17:22,109 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 16:17:22,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-10 16:17:23,179 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 16:17:23,309 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 16:17:23,309 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-10 16:17:23,316 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17746e94a/44dfe0550c9a4e55aa564499f65ed68a/FLAG498c8b217 [2023-01-10 16:17:23,330 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17746e94a/44dfe0550c9a4e55aa564499f65ed68a [2023-01-10 16:17:23,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 16:17:23,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 16:17:23,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 16:17:23,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 16:17:23,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 16:17:23,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644a02e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23, skipping insertion in model container [2023-01-10 16:17:23,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 16:17:23,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 16:17:23,476 WARN L247 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-array-sum.wvr.c[2835,2848] [2023-01-10 16:17:23,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 16:17:23,496 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 16:17:23,510 WARN L247 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-array-sum.wvr.c[2835,2848] [2023-01-10 16:17:23,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 16:17:23,517 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 16:17:23,518 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 16:17:23,522 INFO L208 MainTranslator]: Completed translation [2023-01-10 16:17:23,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23 WrapperNode [2023-01-10 16:17:23,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 16:17:23,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 16:17:23,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 16:17:23,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 16:17:23,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,564 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 284 [2023-01-10 16:17:23,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 16:17:23,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 16:17:23,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 16:17:23,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 16:17:23,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,588 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 16:17:23,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 16:17:23,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 16:17:23,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 16:17:23,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (1/1) ... [2023-01-10 16:17:23,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 16:17:23,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:23,625 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) [2023-01-10 16:17:23,630 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 [2023-01-10 16:17:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 16:17:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 16:17:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 16:17:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 16:17:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 16:17:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 16:17:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-10 16:17:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 16:17:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 16:17:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 16:17:23,662 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 16:17:23,775 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 16:17:23,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 16:17:24,083 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 16:17:24,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 16:17:24,291 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-01-10 16:17:24,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:24 BoogieIcfgContainer [2023-01-10 16:17:24,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 16:17:24,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 16:17:24,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 16:17:24,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 16:17:24,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:17:23" (1/3) ... [2023-01-10 16:17:24,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d22d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:24, skipping insertion in model container [2023-01-10 16:17:24,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:23" (2/3) ... [2023-01-10 16:17:24,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d22d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:24, skipping insertion in model container [2023-01-10 16:17:24,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:24" (3/3) ... [2023-01-10 16:17:24,299 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-01-10 16:17:24,305 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 16:17:24,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 16:17:24,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 16:17:24,313 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 16:17:24,393 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-10 16:17:24,436 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 16:17:24,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 16:17:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:24,439 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) [2023-01-10 16:17:24,458 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 [2023-01-10 16:17:24,503 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 16:17:24,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 16:17:24,513 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;@3a43b773, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 16:17:24,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 16:17:24,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash 383211199, now seen corresponding path program 1 times [2023-01-10 16:17:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:24,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266237348] [2023-01-10 16:17:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-01-10 16:17:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266237348] [2023-01-10 16:17:25,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266237348] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 16:17:25,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 16:17:25,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 16:17:25,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135309607] [2023-01-10 16:17:25,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:17:25,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 16:17:25,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 16:17:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 16:17:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:25,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 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) [2023-01-10 16:17:25,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 16:17:25,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:25,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1114029442, now seen corresponding path program 1 times [2023-01-10 16:17:25,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:25,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339665487] [2023-01-10 16:17:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-10 16:17:25,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:25,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339665487] [2023-01-10 16:17:25,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339665487] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 16:17:25,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 16:17:25,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-01-10 16:17:25,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450442149] [2023-01-10 16:17:25,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:17:25,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-01-10 16:17:25,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:25,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-01-10 16:17:25,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-01-10 16:17:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:25,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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) [2023-01-10 16:17:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:25,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 16:17:25,642 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:25,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash -66297984, now seen corresponding path program 1 times [2023-01-10 16:17:25,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:25,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522316187] [2023-01-10 16:17:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 16:17:25,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:25,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522316187] [2023-01-10 16:17:25,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522316187] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:17:25,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893563053] [2023-01-10 16:17:25,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:25,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:25,887 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) [2023-01-10 16:17:25,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 16:17:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:26,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-10 16:17:26,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:17:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 16:17:26,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:17:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 16:17:26,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893563053] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-10 16:17:26,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-10 16:17:26,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-01-10 16:17:26,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388710530] [2023-01-10 16:17:26,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:17:26,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 16:17:26,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:26,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 16:17:26,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-01-10 16:17:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:26,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:26,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 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) [2023-01-10 16:17:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:26,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:26,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-10 16:17:26,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-10 16:17:26,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1223986022, now seen corresponding path program 1 times [2023-01-10 16:17:26,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:26,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979065077] [2023-01-10 16:17:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:26,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-01-10 16:17:26,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979065077] [2023-01-10 16:17:26,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979065077] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:17:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539885570] [2023-01-10 16:17:26,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:26,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:26,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:26,876 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) [2023-01-10 16:17:26,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 16:17:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:26,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-10 16:17:26,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:17:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-01-10 16:17:27,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:17:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-01-10 16:17:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539885570] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 16:17:27,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 16:17:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2023-01-10 16:17:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656625074] [2023-01-10 16:17:27,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 16:17:27,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-01-10 16:17:27,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:27,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-01-10 16:17:27,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2023-01-10 16:17:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:27,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:27,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.04) internal successors, (201), 25 states have internal predecessors, (201), 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) [2023-01-10 16:17:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:27,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:27,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:27,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 16:17:27,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-10 16:17:27,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:27,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:27,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:27,980 INFO L85 PathProgramCache]: Analyzing trace with hash -967087080, now seen corresponding path program 2 times [2023-01-10 16:17:27,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:27,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142758634] [2023-01-10 16:17:27,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:27,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-01-10 16:17:28,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142758634] [2023-01-10 16:17:28,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142758634] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:17:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415999229] [2023-01-10 16:17:28,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 16:17:28,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:28,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:28,192 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) [2023-01-10 16:17:28,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 16:17:28,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 16:17:28,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 16:17:28,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-10 16:17:28,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:17:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-01-10 16:17:28,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:17:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-01-10 16:17:28,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415999229] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 16:17:28,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 16:17:28,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2023-01-10 16:17:28,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608686035] [2023-01-10 16:17:28,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 16:17:28,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-10 16:17:28,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-10 16:17:28,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2023-01-10 16:17:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:28,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:28,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.714285714285714) internal successors, (267), 21 states have internal predecessors, (267), 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) [2023-01-10 16:17:28,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:28,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:28,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:28,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 16:17:28,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-10 16:17:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-01-10 16:17:29,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-01-10 16:17:29,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:29,477 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:29,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2106896178, now seen corresponding path program 3 times [2023-01-10 16:17:29,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:29,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481634379] [2023-01-10 16:17:29,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:29,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:17:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-01-10 16:17:29,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:17:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481634379] [2023-01-10 16:17:29,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481634379] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:17:29,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677616482] [2023-01-10 16:17:29,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 16:17:29,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:17:29,773 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) [2023-01-10 16:17:29,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-10 16:17:30,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-10 16:17:30,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 16:17:30,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 12 conjunts are in the unsatisfiable core [2023-01-10 16:17:30,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:17:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-01-10 16:17:30,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:17:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-01-10 16:17:30,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677616482] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 16:17:30,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 16:17:30,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2023-01-10 16:17:30,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088416162] [2023-01-10 16:17:30,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 16:17:30,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-10 16:17:30,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:17:30,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-10 16:17:30,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2023-01-10 16:17:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:30,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:17:30,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.793103448275861) internal successors, (284), 29 states have internal predecessors, (284), 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) [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-01-10 16:17:30,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-01-10 16:17:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-01-10 16:17:31,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-10 16:17:31,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:17:31,565 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:17:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:17:31,565 INFO L85 PathProgramCache]: Analyzing trace with hash -443896502, now seen corresponding path program 4 times [2023-01-10 16:17:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:17:31,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276205929] [2023-01-10 16:17:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:17:31,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:17:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 16:17:31,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-10 16:17:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 16:17:31,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-10 16:17:31,865 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-10 16:17:31,866 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 16:17:31,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-10 16:17:31,875 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2023-01-10 16:17:31,876 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/4) [2023-01-10 16:17:31,878 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 16:17:31,878 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 16:17:31,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:17:31 BasicIcfg [2023-01-10 16:17:31,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 16:17:31,965 INFO L158 Benchmark]: Toolchain (without parser) took 8631.06ms. Allocated memory was 210.8MB in the beginning and 404.8MB in the end (delta: 194.0MB). Free memory was 155.6MB in the beginning and 248.4MB in the end (delta: -92.7MB). Peak memory consumption was 102.7MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,965 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 16:17:31,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.53ms. Allocated memory is still 210.8MB. Free memory was 155.5MB in the beginning and 143.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 210.8MB. Free memory was 143.7MB in the beginning and 141.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,966 INFO L158 Benchmark]: Boogie Preprocessor took 26.41ms. Allocated memory is still 210.8MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,966 INFO L158 Benchmark]: RCFGBuilder took 701.98ms. Allocated memory was 210.8MB in the beginning and 302.0MB in the end (delta: 91.2MB). Free memory was 138.9MB in the beginning and 227.3MB in the end (delta: -88.5MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,966 INFO L158 Benchmark]: TraceAbstraction took 7669.75ms. Allocated memory was 302.0MB in the beginning and 404.8MB in the end (delta: 102.8MB). Free memory was 226.8MB in the beginning and 248.4MB in the end (delta: -21.5MB). Peak memory consumption was 81.2MB. Max. memory is 8.0GB. [2023-01-10 16:17:31,967 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 210.8MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 187.53ms. Allocated memory is still 210.8MB. Free memory was 155.5MB in the beginning and 143.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 210.8MB. Free memory was 143.7MB in the beginning and 141.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.41ms. Allocated memory is still 210.8MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 701.98ms. Allocated memory was 210.8MB in the beginning and 302.0MB in the end (delta: 91.2MB). Free memory was 138.9MB in the beginning and 227.3MB in the end (delta: -88.5MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7669.75ms. Allocated memory was 302.0MB in the beginning and 404.8MB in the end (delta: 102.8MB). Free memory was 226.8MB in the beginning and 248.4MB in the end (delta: -21.5MB). Peak memory consumption was 81.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1835, independent: 1584, independent conditional: 1584, independent unconditional: 0, dependent: 251, dependent conditional: 251, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 234, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1835, independent: 1584, independent conditional: 1584, independent unconditional: 0, dependent: 251, dependent conditional: 251, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1, Independence queries for same thread: 468, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1841, independent: 1584, independent conditional: 1584, independent unconditional: 0, dependent: 257, dependent conditional: 257, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 470, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 1, Independence queries for same thread: 708, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 201, independent: 151, independent conditional: 151, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 497, Positive cache size: 493, Positive conditional cache size: 0, Positive unconditional cache size: 493, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 38, Maximal queried relation: 2, Independence queries for same thread: 756, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 207, independent: 151, independent conditional: 151, independent unconditional: 0, dependent: 56, dependent conditional: 56, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 497, Positive cache size: 493, Positive conditional cache size: 0, Positive unconditional cache size: 493, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 3, Independence queries for same thread: 810, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1564, independent: 1337, independent conditional: 1337, independent unconditional: 0, dependent: 227, dependent conditional: 227, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 563, Positive cache size: 559, Positive conditional cache size: 0, Positive unconditional cache size: 559, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 100, Maximal queried relation: 4, Independence queries for same thread: 1023, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1595, independent: 1359, independent conditional: 1359, independent unconditional: 0, dependent: 236, dependent conditional: 236, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9078, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 1328, dependent conditional: 1328, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7833, independent: 7750, independent conditional: 7750, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 170, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8003, independent: 7750, independent conditional: 0, independent unconditional: 7750, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8003, independent: 7145, independent conditional: 0, independent unconditional: 7145, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 609, unknown conditional: 0, unknown unconditional: 609] , Statistics on independence cache: Total cache size (in pairs): 609, Positive cache size: 605, Positive conditional cache size: 0, Positive unconditional cache size: 605, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 170, Maximal queried relation: 5, Independence queries for same thread: 1245, Statistics for Abstraction: - StatisticsResult: Traversal Statistics Data States: 760, Transitions: 982, Traversal time: 307287521.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 53 - StatisticsResult: Traversal Statistics Data States: 760, Transitions: 988, Traversal time: 31564643.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 53 - StatisticsResult: Traversal Statistics Data States: 774, Transitions: 1002, Traversal time: 176204252.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 53 - StatisticsResult: Traversal Statistics Data States: 210, Transitions: 228, Traversal time: 84585223.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 3 - StatisticsResult: Traversal Statistics Data States: 226, Transitions: 244, Traversal time: 321061255.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 3 - StatisticsResult: Traversal Statistics Data States: 688, Transitions: 874, Traversal time: 521434766.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 43 - StatisticsResult: Traversal Statistics Data States: 710, Transitions: 896, Traversal time: 628731444.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 43 - CounterExampleResult [Line: 106]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40] 0 int* A; VAL [A={0:0}] [L41] 0 int* B; VAL [A={0:0}, B={0:0}] [L42] 0 int res1, res2, M, N; VAL [A={0:0}, B={0:0}, M=0, N=0, res1=0, res2=0] [L87] 0 pthread_t t1, t2, t3; VAL [A={0:0}, B={0:0}, M=0, N=0, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L90] 0 M = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=0, __VERIFIER_nondet_int()=2, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L91] 0 N = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, __VERIFIER_nondet_int()=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L92] CALL, EXPR 0 create_fresh_int_array(N) [L112] CALL 0 assume_abort_if_not(size >= 0) [L37] COND FALSE 0 !(!cond) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L112] RET 0 assume_abort_if_not(size >= 0) [L113] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L37] COND FALSE 0 !(!cond) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L113] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L115] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, malloc(sizeof(int) * (size_t)size)={3:0}, res1=0, res2=0, size=3] [L116] 0 int i = 0; VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=0, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=0, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=17, arr={3:0}, i=0, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=1, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=1, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=-11, arr={3:0}, i=1, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=2, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=2, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=11, arr={3:0}, i=2, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=3, res1=0, res2=0, size=3] [L116] COND FALSE 0 !(i < size) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=3, res1=0, res2=0, size=3] [L119] 0 return arr; VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, \result={3:0}, arr={3:0}, i=3, res1=0, res2=0, size=3] [L92] RET, EXPR 0 create_fresh_int_array(N) [L92] 0 A = create_fresh_int_array(N) VAL [A={3:0}, B={0:0}, M=2, N=3, create_fresh_int_array(N)={3:0}, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L93] CALL, EXPR 0 create_fresh_int_array(N) [L112] CALL 0 assume_abort_if_not(size >= 0) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L112] RET 0 assume_abort_if_not(size >= 0) [L113] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L113] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L115] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, malloc(sizeof(int) * (size_t)size)={-7:0}, res1=0, res2=0, size=3] [L116] 0 int i = 0; VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=-8, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=-2, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, __VERIFIER_nondet_int()=-10, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=3, res1=0, res2=0, size=3] [L116] COND FALSE 0 !(i < size) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=3, res1=0, res2=0, size=3] [L119] 0 return arr; VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, \result={-7:0}, arr={-7:0}, i=3, res1=0, res2=0, size=3] [L93] RET, EXPR 0 create_fresh_int_array(N) [L93] 0 B = create_fresh_int_array(N) VAL [A={3:0}, B={-7:0}, M=2, N=3, create_fresh_int_array(N)={-7:0}, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L95] CALL 0 assume_abort_if_not(M >= 0 && M < N) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={-7:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L95] RET 0 assume_abort_if_not(M >= 0 && M < N) [L98] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, pthread_create(&t1, 0, thread1, 0)=13, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L99] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, pthread_create(&t2, 0, thread2, 0)=14, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L100] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, pthread_create(&t3, 0, thread3, 0)=15, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L101] 0 \read(t1) VAL [A={3:0}, B={-7:0}, M=2, N=3, \read(t1)=13, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L48] 1 int i=0; VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=0, res2=0] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=9, res2=0, tmp=9] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=9, res2=0, tmp=9] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=-4, res2=0, tmp=-4] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-4, res2=0, tmp=-4] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-3, res2=0, tmp=-3] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=3, res1=-3, res2=0, tmp=-3] [L48] COND FALSE 1 !(i= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(A[i], B[i]) [L63] CALL, EXPR 2 plus(res2, plus(A[i], B[i])) [L123] CALL 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(res2, plus(A[i], B[i])) [L63] 2 int tmp = plus(res2, plus(A[i], B[i])); [L74] 3 int i=M; VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-3, res2=0] [L74] COND TRUE 3 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 3 !(!cond) [L123] RET 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 3 !(!cond) [L124] RET 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 3 return a + b; [L76] RET, EXPR 3 plus(A[i], B[i]) [L76] CALL, EXPR 3 plus(res2, plus(A[i], B[i])) [L123] CALL 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 3 !(!cond) [L123] RET 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 3 !(!cond) [L124] RET 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 3 return a + b; [L76] RET, EXPR 3 plus(res2, plus(A[i], B[i])) [L76] 3 int tmp = plus(res2, plus(A[i], B[i])); [L66] 2 res2 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=-3, res2=9, tmp=9] [L61] 2 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=-3, res2=9, tmp=9] [L61] COND TRUE 2 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(A[i], B[i]) [L63] CALL, EXPR 2 plus(res2, plus(A[i], B[i])) [L123] CALL 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(res2, plus(A[i], B[i])) [L63] 2 int tmp = plus(res2, plus(A[i], B[i])); [L66] 2 res2 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=-3, res2=-12, tmp=-12] [L61] 2 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-3, res2=-12, tmp=-12] [L61] COND FALSE 2 !(i