/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:15:20,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:15:20,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:15:20,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:15:20,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:15:20,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:15:20,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:15:20,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:15:20,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:15:20,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:15:20,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:15:20,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:15:20,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:15:20,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:15:20,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:15:20,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:15:20,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:15:20,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:15:20,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:15:20,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:15:20,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:15:20,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:15:20,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:15:20,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:15:20,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:15:20,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:15:20,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:15:20,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:15:20,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:15:20,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:15:20,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:15:20,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:15:20,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:15:20,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:15:20,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:15:20,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:15:20,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:15:20,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:15:20,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:15:20,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:15:20,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:15:20,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:15:21,027 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:15:21,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:15:21,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:15:21,028 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:15:21,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:15:21,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:15:21,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:15:21,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:15:21,030 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:15:21,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:15:21,031 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:15:21,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:15:21,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:15:21,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:15:21,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:15:21,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:15:21,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:15:21,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:15:21,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:15:21,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:15:21,034 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:15:21,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:15:21,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:15:21,035 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:15:21,035 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:15:21,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:15:21,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:15:21,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:15:21,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:15:21,301 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:15:21,302 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:15:21,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-03-23 21:15:22,403 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:15:22,560 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:15:22,560 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-03-23 21:15:22,565 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b1e69558/97a593394f914acba222f1e013a9f64a/FLAG91cf30891 [2023-03-23 21:15:22,576 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b1e69558/97a593394f914acba222f1e013a9f64a [2023-03-23 21:15:22,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:15:22,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:15:22,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:15:22,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:15:22,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:15:22,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42091f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22, skipping insertion in model container [2023-03-23 21:15:22,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:15:22,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:15:22,735 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/chl-file-item-symm.wvr.c[2495,2508] [2023-03-23 21:15:22,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:15:22,751 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:15:22,769 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/chl-file-item-symm.wvr.c[2495,2508] [2023-03-23 21:15:22,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:15:22,782 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:15:22,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22 WrapperNode [2023-03-23 21:15:22,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:15:22,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:15:22,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:15:22,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:15:22,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,813 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 148 [2023-03-23 21:15:22,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:15:22,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:15:22,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:15:22,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:15:22,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:15:22,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:15:22,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:15:22,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:15:22,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (1/1) ... [2023-03-23 21:15:22,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:15:22,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:15:22,882 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) [2023-03-23 21:15:22,884 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 [2023-03-23 21:15:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:15:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:15:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:15:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:15:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:15:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:15:22,912 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 21:15:22,993 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:15:22,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:15:23,291 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:15:23,299 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:15:23,300 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 21:15:23,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:15:23 BoogieIcfgContainer [2023-03-23 21:15:23,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:15:23,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:15:23,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:15:23,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:15:23,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:15:22" (1/3) ... [2023-03-23 21:15:23,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727535ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:15:23, skipping insertion in model container [2023-03-23 21:15:23,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:15:22" (2/3) ... [2023-03-23 21:15:23,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727535ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:15:23, skipping insertion in model container [2023-03-23 21:15:23,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:15:23" (3/3) ... [2023-03-23 21:15:23,314 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2023-03-23 21:15:23,321 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:15:23,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:15:23,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:15:23,329 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:15:23,454 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 21:15:23,487 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:15:23,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:15:23,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:15:23,489 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) [2023-03-23 21:15:23,491 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 [2023-03-23 21:15:23,517 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:15:23,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:15:23,532 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;@7405d05d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:15:23,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 21:15:23,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:23,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash 7019810, now seen corresponding path program 1 times [2023-03-23 21:15:23,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:23,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314252120] [2023-03-23 21:15:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:24,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:24,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314252120] [2023-03-23 21:15:24,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314252120] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:24,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:24,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:15:24,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352465473] [2023-03-23 21:15:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:24,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:15:24,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:24,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:15:24,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:15:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:24,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:24,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:15:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:24,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:15:24,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:24,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:24,313 INFO L85 PathProgramCache]: Analyzing trace with hash 784781126, now seen corresponding path program 1 times [2023-03-23 21:15:24,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:24,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367781417] [2023-03-23 21:15:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:24,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:24,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:24,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367781417] [2023-03-23 21:15:24,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367781417] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:24,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:24,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-23 21:15:24,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901582658] [2023-03-23 21:15:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:24,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-23 21:15:24,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:24,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-23 21:15:24,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-03-23 21:15:24,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:24,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:24,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2023-03-23 21:15:24,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:24,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:25,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:15:25,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:25,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash 482552554, now seen corresponding path program 1 times [2023-03-23 21:15:25,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:25,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147960661] [2023-03-23 21:15:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:25,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147960661] [2023-03-23 21:15:25,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147960661] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:25,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:25,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-23 21:15:25,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624632028] [2023-03-23 21:15:25,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:25,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-23 21:15:25,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:25,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-23 21:15:25,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-03-23 21:15:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:25,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:25,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 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) [2023-03-23 21:15:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:25,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:26,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 21:15:26,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:26,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:26,473 INFO L85 PathProgramCache]: Analyzing trace with hash 433578082, now seen corresponding path program 1 times [2023-03-23 21:15:26,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:26,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931512130] [2023-03-23 21:15:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:26,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:26,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:26,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931512130] [2023-03-23 21:15:26,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931512130] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:26,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:26,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-23 21:15:26,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538869010] [2023-03-23 21:15:26,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:26,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-23 21:15:26,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-23 21:15:26,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-23 21:15:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:26,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:26,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 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) [2023-03-23 21:15:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:26,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:26,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:26,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 21:15:27,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:27,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1565122238, now seen corresponding path program 1 times [2023-03-23 21:15:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:27,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989642679] [2023-03-23 21:15:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:27,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:27,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989642679] [2023-03-23 21:15:27,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989642679] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:27,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:27,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 21:15:27,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146703000] [2023-03-23 21:15:27,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:27,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 21:15:27,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:27,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 21:15:27,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 21:15:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:27,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2023-03-23 21:15:27,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 21:15:27,181 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:27,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:27,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1655242522, now seen corresponding path program 1 times [2023-03-23 21:15:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:27,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704310968] [2023-03-23 21:15:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:27,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:27,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704310968] [2023-03-23 21:15:27,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704310968] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:27,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:27,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 21:15:27,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968304944] [2023-03-23 21:15:27,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:27,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 21:15:27,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:27,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 21:15:27,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 21:15:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:27,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2023-03-23 21:15:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-23 21:15:27,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:27,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash 417947590, now seen corresponding path program 1 times [2023-03-23 21:15:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:27,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676484673] [2023-03-23 21:15:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:27,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:27,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676484673] [2023-03-23 21:15:27,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676484673] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:27,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:27,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-03-23 21:15:27,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352726545] [2023-03-23 21:15:27,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:27,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-23 21:15:27,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:27,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-23 21:15:27,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-03-23 21:15:27,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:27,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 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) [2023-03-23 21:15:27,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:27,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:27,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:27,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:27,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:27,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:28,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:28,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-23 21:15:28,815 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:28,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:28,815 INFO L85 PathProgramCache]: Analyzing trace with hash 229416361, now seen corresponding path program 1 times [2023-03-23 21:15:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:28,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637183708] [2023-03-23 21:15:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:29,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:29,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637183708] [2023-03-23 21:15:29,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637183708] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:29,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:29,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-03-23 21:15:29,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48110569] [2023-03-23 21:15:29,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:29,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-23 21:15:29,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:29,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-23 21:15:29,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-03-23 21:15:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:29,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:29,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 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) [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:29,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:29,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-23 21:15:29,802 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:29,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:29,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1545895555, now seen corresponding path program 1 times [2023-03-23 21:15:29,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:29,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397951658] [2023-03-23 21:15:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:29,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:30,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:30,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397951658] [2023-03-23 21:15:30,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397951658] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:30,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:30,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-03-23 21:15:30,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409491630] [2023-03-23 21:15:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-23 21:15:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-23 21:15:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-03-23 21:15:30,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:30,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 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) [2023-03-23 21:15:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:30,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-23 21:15:30,660 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:30,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:30,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1368246138, now seen corresponding path program 1 times [2023-03-23 21:15:30,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581942614] [2023-03-23 21:15:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:30,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:30,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:30,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581942614] [2023-03-23 21:15:30,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581942614] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:30,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:30,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 21:15:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381785902] [2023-03-23 21:15:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:30,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 21:15:30,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 21:15:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 21:15:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:30,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-03-23 21:15:30,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:30,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:30,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-03-23 21:15:30,992 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:30,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:30,992 INFO L85 PathProgramCache]: Analyzing trace with hash 51962543, now seen corresponding path program 1 times [2023-03-23 21:15:30,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:30,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880129599] [2023-03-23 21:15:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:31,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:31,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880129599] [2023-03-23 21:15:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880129599] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:31,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:31,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 21:15:31,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593736179] [2023-03-23 21:15:31,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:31,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 21:15:31,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:31,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 21:15:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 21:15:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:31,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:31,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2023-03-23 21:15:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:31,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-03-23 21:15:31,213 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:15:31,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:15:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1963329370, now seen corresponding path program 1 times [2023-03-23 21:15:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:15:31,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519398352] [2023-03-23 21:15:31,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:15:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:15:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:15:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:15:32,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:15:32,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519398352] [2023-03-23 21:15:32,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519398352] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:15:32,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:15:32,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2023-03-23 21:15:32,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459326705] [2023-03-23 21:15:32,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:15:32,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-03-23 21:15:32,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:15:32,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-03-23 21:15:32,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=805, Unknown=0, NotChecked=0, Total=870 [2023-03-23 21:15:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:32,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:15:32,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.5) internal successors, (135), 30 states have internal predecessors, (135), 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) [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:15:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-23 21:15:35,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 21:15:35,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 21:15:35,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 21:15:35,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-03-23 21:15:35,790 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-23 21:15:35,792 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:15:35,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:15:35,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:15:35 BasicIcfg [2023-03-23 21:15:35,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:15:35,796 INFO L158 Benchmark]: Toolchain (without parser) took 13216.86ms. Allocated memory was 180.4MB in the beginning and 376.4MB in the end (delta: 196.1MB). Free memory was 140.9MB in the beginning and 134.2MB in the end (delta: 6.6MB). Peak memory consumption was 204.8MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,796 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 180.4MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:15:35,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.10ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 129.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.65ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,797 INFO L158 Benchmark]: Boogie Preprocessor took 20.89ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 125.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,797 INFO L158 Benchmark]: RCFGBuilder took 464.76ms. Allocated memory is still 180.4MB. Free memory was 125.7MB in the beginning and 108.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,797 INFO L158 Benchmark]: TraceAbstraction took 12491.59ms. Allocated memory was 180.4MB in the beginning and 376.4MB in the end (delta: 196.1MB). Free memory was 108.3MB in the beginning and 134.2MB in the end (delta: -25.9MB). Peak memory consumption was 172.3MB. Max. memory is 8.0GB. [2023-03-23 21:15:35,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 180.4MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.10ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 129.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.65ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.89ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 125.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 464.76ms. Allocated memory is still 180.4MB. Free memory was 125.7MB in the beginning and 108.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12491.59ms. Allocated memory was 180.4MB in the beginning and 376.4MB in the end (delta: 196.1MB). Free memory was 108.3MB in the beginning and 134.2MB in the end (delta: -25.9MB). Peak memory consumption was 172.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271884, independent: 176014, independent conditional: 2608, independent unconditional: 173406, dependent: 95870, dependent conditional: 1107, dependent unconditional: 94763, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177884, independent: 176014, independent conditional: 2608, independent unconditional: 173406, dependent: 1870, dependent conditional: 0, dependent unconditional: 1870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 177884, independent: 176014, independent conditional: 2608, independent unconditional: 173406, dependent: 1870, dependent conditional: 0, dependent unconditional: 1870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 177884, independent: 176014, independent conditional: 0, independent unconditional: 176014, dependent: 1870, dependent conditional: 0, dependent unconditional: 1870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 177884, independent: 176014, independent conditional: 0, independent unconditional: 176014, dependent: 1870, dependent conditional: 0, dependent unconditional: 1870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 177884, independent: 176014, independent conditional: 0, independent unconditional: 176014, dependent: 1870, dependent conditional: 0, dependent unconditional: 1870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8555, independent: 8487, independent conditional: 0, independent unconditional: 8487, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8555, independent: 8443, independent conditional: 0, independent unconditional: 8443, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 112, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 251, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 177884, independent: 167527, independent conditional: 0, independent unconditional: 167527, dependent: 1802, dependent conditional: 0, dependent unconditional: 1802, unknown: 8555, unknown conditional: 0, unknown unconditional: 8555] , Statistics on independence cache: Total cache size (in pairs): 8555, Positive cache size: 8487, Positive conditional cache size: 0, Positive unconditional cache size: 8487, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, 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: 94000 - PositiveResult [Line: 74]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 241 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 8.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 5508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 21:15:35,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-03-23 21:15:36,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...