/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 08:39:58,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 08:39:58,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 08:39:58,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 08:39:58,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 08:39:58,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 08:39:58,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 08:39:58,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 08:39:58,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 08:39:58,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 08:39:58,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 08:39:58,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 08:39:58,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 08:39:58,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 08:39:58,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 08:39:58,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 08:39:58,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 08:39:58,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 08:39:58,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 08:39:58,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 08:39:58,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 08:39:58,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 08:39:58,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 08:39:58,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 08:39:58,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 08:39:58,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 08:39:58,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 08:39:58,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 08:39:58,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 08:39:58,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 08:39:58,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 08:39:58,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 08:39:58,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 08:39:58,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 08:39:58,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 08:39:58,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 08:39:58,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 08:39:58,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 08:39:58,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 08:39:58,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 08:39:58,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 08:39:58,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 08:39:58,604 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 08:39:58,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 08:39:58,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 08:39:58,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 08:39:58,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 08:39:58,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 08:39:58,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 08:39:58,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 08:39:58,606 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 08:39:58,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 08:39:58,607 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 08:39:58,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 08:39:58,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 08:39:58,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 08:39:58,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 08:39:58,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 08:39:58,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 08:39:58,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 08:39:58,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 08:39:58,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 08:39:58,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 08:39:58,830 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 08:39:58,833 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 08:39:58,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-05-20 08:39:58,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1908c7f/7c10dcad9a3e4f05a1faa8f052cc7038/FLAG1dd5dc888 [2023-05-20 08:39:59,279 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 08:39:59,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-05-20 08:39:59,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1908c7f/7c10dcad9a3e4f05a1faa8f052cc7038/FLAG1dd5dc888 [2023-05-20 08:39:59,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1908c7f/7c10dcad9a3e4f05a1faa8f052cc7038 [2023-05-20 08:39:59,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 08:39:59,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 08:39:59,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 08:39:59,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 08:39:59,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 08:39:59,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:39:59,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f68c1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59, skipping insertion in model container [2023-05-20 08:39:59,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:39:59,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 08:39:59,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 08:39:59,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-05-20 08:39:59,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 08:39:59,896 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 08:39:59,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-05-20 08:39:59,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 08:39:59,941 INFO L208 MainTranslator]: Completed translation [2023-05-20 08:39:59,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59 WrapperNode [2023-05-20 08:39:59,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 08:39:59,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 08:39:59,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 08:39:59,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 08:39:59,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:39:59,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,000 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2023-05-20 08:40:00,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 08:40:00,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 08:40:00,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 08:40:00,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 08:40:00,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 08:40:00,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 08:40:00,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 08:40:00,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 08:40:00,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (1/1) ... [2023-05-20 08:40:00,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 08:40:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:00,102 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) [2023-05-20 08:40:00,103 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 [2023-05-20 08:40:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 08:40:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 08:40:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 08:40:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 08:40:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 08:40:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 08:40:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 08:40:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 08:40:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 08:40:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 08:40:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 08:40:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 08:40:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 08:40:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 08:40:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 08:40:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 08:40:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 08:40:00,140 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 08:40:00,298 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 08:40:00,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 08:40:00,825 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 08:40:01,036 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 08:40:01,036 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 08:40:01,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 08:40:01 BoogieIcfgContainer [2023-05-20 08:40:01,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 08:40:01,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 08:40:01,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 08:40:01,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 08:40:01,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 08:39:59" (1/3) ... [2023-05-20 08:40:01,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83b666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 08:40:01, skipping insertion in model container [2023-05-20 08:40:01,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:39:59" (2/3) ... [2023-05-20 08:40:01,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83b666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 08:40:01, skipping insertion in model container [2023-05-20 08:40:01,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 08:40:01" (3/3) ... [2023-05-20 08:40:01,051 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-05-20 08:40:01,057 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 08:40:01,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 08:40:01,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 08:40:01,064 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 08:40:01,128 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 08:40:01,178 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 08:40:01,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 08:40:01,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:01,181 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) [2023-05-20 08:40:01,194 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 [2023-05-20 08:40:01,209 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 08:40:01,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 08:40:01,227 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;@18d1c73c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 08:40:01,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 08:40:01,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:01,454 INFO L85 PathProgramCache]: Analyzing trace with hash 718174912, now seen corresponding path program 1 times [2023-05-20 08:40:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:01,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37922043] [2023-05-20 08:40:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:01,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:01,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37922043] [2023-05-20 08:40:01,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37922043] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:01,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:01,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 08:40:01,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967194236] [2023-05-20 08:40:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:01,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 08:40:01,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 08:40:01,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 08:40:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:01,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:01,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 08:40:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:01,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 08:40:01,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:01,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:01,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1955017824, now seen corresponding path program 1 times [2023-05-20 08:40:01,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:01,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297649490] [2023-05-20 08:40:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:01,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:02,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:02,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297649490] [2023-05-20 08:40:02,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297649490] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:02,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:02,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 08:40:02,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869219723] [2023-05-20 08:40:02,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:02,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 08:40:02,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:02,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 08:40:02,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-20 08:40:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:02,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 08:40:02,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:02,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 08:40:02,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash -458884332, now seen corresponding path program 1 times [2023-05-20 08:40:02,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:02,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026173622] [2023-05-20 08:40:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:02,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:02,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:02,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026173622] [2023-05-20 08:40:02,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026173622] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:02,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:02,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 08:40:02,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521241781] [2023-05-20 08:40:02,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:02,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 08:40:02,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 08:40:02,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 08:40:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:02,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2023-05-20 08:40:02,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:02,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:03,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 08:40:03,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:03,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:03,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1936917742, now seen corresponding path program 1 times [2023-05-20 08:40:03,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:03,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103557424] [2023-05-20 08:40:03,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:03,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:03,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103557424] [2023-05-20 08:40:03,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103557424] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534314356] [2023-05-20 08:40:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:03,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:03,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:03,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 08:40:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:03,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 08:40:03,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:04,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:04,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534314356] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:04,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:04,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2023-05-20 08:40:04,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022242013] [2023-05-20 08:40:04,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:04,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-20 08:40:04,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-20 08:40:04,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 08:40:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:04,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:04,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.823529411764707) internal successors, (334), 34 states have internal predecessors, (334), 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) [2023-05-20 08:40:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:05,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:05,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:05,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-20 08:40:05,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 756761492, now seen corresponding path program 2 times [2023-05-20 08:40:05,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280006684] [2023-05-20 08:40:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 08:40:06,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:06,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280006684] [2023-05-20 08:40:06,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280006684] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:06,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589812226] [2023-05-20 08:40:06,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 08:40:06,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:06,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:06,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 08:40:06,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 08:40:06,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 08:40:06,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 08:40:06,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 08:40:06,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589812226] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:06,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:06,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 08:40:06,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946069362] [2023-05-20 08:40:06,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:06,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 08:40:06,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 08:40:06,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-20 08:40:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:06,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:06,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.041666666666666) internal successors, (337), 24 states have internal predecessors, (337), 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) [2023-05-20 08:40:06,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:06,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:06,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:06,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:06,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:07,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:07,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:07,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:07,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:07,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:07,598 INFO L85 PathProgramCache]: Analyzing trace with hash 803098776, now seen corresponding path program 3 times [2023-05-20 08:40:07,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:07,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974835171] [2023-05-20 08:40:07,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:07,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:15,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:15,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974835171] [2023-05-20 08:40:15,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974835171] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:15,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514926452] [2023-05-20 08:40:15,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 08:40:15,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:15,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:15,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:15,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 08:40:16,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 08:40:16,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:16,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 110 conjunts are in the unsatisfiable core [2023-05-20 08:40:16,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:40:18,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:40:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:40:18,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:40:18,845 INFO L356 Elim1Store]: treesize reduction 208, result has 23.8 percent of original size [2023-05-20 08:40:18,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 64 treesize of output 79 [2023-05-20 08:40:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 08:40:19,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:20,890 INFO L356 Elim1Store]: treesize reduction 28, result has 92.2 percent of original size [2023-05-20 08:40:20,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 81 treesize of output 342 [2023-05-20 08:40:25,354 INFO L356 Elim1Store]: treesize reduction 277, result has 22.4 percent of original size [2023-05-20 08:40:25,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 81 treesize of output 93 [2023-05-20 08:40:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 08:40:26,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514926452] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:26,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:26,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 33, 25] total 102 [2023-05-20 08:40:26,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367043893] [2023-05-20 08:40:26,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:26,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-20 08:40:26,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:26,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-20 08:40:26,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=613, Invalid=9689, Unknown=0, NotChecked=0, Total=10302 [2023-05-20 08:40:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:26,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:26,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.568627450980392) internal successors, (466), 102 states have internal predecessors, (466), 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) [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:26,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:33,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:33,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 08:40:33,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:33,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:33,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:33,830 INFO L85 PathProgramCache]: Analyzing trace with hash -307032074, now seen corresponding path program 4 times [2023-05-20 08:40:33,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:33,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169717278] [2023-05-20 08:40:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:33,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 08:40:34,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:34,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169717278] [2023-05-20 08:40:34,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169717278] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:34,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804011208] [2023-05-20 08:40:34,347 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 08:40:34,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:34,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:34,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:34,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 08:40:34,505 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 08:40:34,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:34,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 08:40:34,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 08:40:34,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 08:40:35,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804011208] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:35,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:35,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37 [2023-05-20 08:40:35,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912080615] [2023-05-20 08:40:35,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:35,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 08:40:35,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:35,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 08:40:35,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 08:40:35,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:35,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:35,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.324324324324325) internal successors, (271), 37 states have internal predecessors, (271), 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) [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:35,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:36,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:36,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:36,732 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:36,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash -864043230, now seen corresponding path program 5 times [2023-05-20 08:40:36,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:36,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615136660] [2023-05-20 08:40:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:36,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 2 proven. 63 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 08:40:37,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:37,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615136660] [2023-05-20 08:40:37,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615136660] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:37,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550037708] [2023-05-20 08:40:37,234 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 08:40:37,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:37,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:37,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:37,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 08:40:37,394 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-20 08:40:37,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:37,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 08:40:37,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 08:40:37,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 41 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 08:40:38,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550037708] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:38,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:38,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-20 08:40:38,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056158968] [2023-05-20 08:40:38,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:38,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-20 08:40:38,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:38,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-20 08:40:38,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 08:40:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:38,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:38,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.676470588235293) internal successors, (329), 34 states have internal predecessors, (329), 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) [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:38,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:38,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:40:39,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:39,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:39,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:39,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1435539034, now seen corresponding path program 6 times [2023-05-20 08:40:39,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:39,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312963512] [2023-05-20 08:40:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 08:40:40,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:40,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312963512] [2023-05-20 08:40:40,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312963512] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:40,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510707695] [2023-05-20 08:40:40,319 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 08:40:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:40,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:40,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 08:40:40,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-20 08:40:40,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:40,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-20 08:40:40,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 08:40:41,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 60 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 08:40:41,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510707695] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:41,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:41,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 54 [2023-05-20 08:40:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313106267] [2023-05-20 08:40:41,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:41,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 08:40:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 08:40:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=2500, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 08:40:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:41,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:41,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.7407407407407405) internal successors, (418), 54 states have internal predecessors, (418), 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) [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:40:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:40:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:40:42,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:42,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:42,888 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:42,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash 863892428, now seen corresponding path program 7 times [2023-05-20 08:40:42,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:42,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575797222] [2023-05-20 08:40:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 11 proven. 89 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 08:40:43,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:43,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575797222] [2023-05-20 08:40:43,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575797222] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:43,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873494092] [2023-05-20 08:40:43,395 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 08:40:43,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:43,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:43,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:43,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 08:40:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:43,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 08:40:43,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 08:40:44,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 08:40:44,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873494092] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:44,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:44,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-05-20 08:40:44,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645522422] [2023-05-20 08:40:44,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:44,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 08:40:44,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:44,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 08:40:44,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2023-05-20 08:40:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:44,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 8.227272727272727) internal successors, (362), 44 states have internal predecessors, (362), 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) [2023-05-20 08:40:44,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:44,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:40:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:40:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:40:45,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:45,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 08:40:45,669 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:40:45,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:45,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1071249104, now seen corresponding path program 8 times [2023-05-20 08:40:45,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:45,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699023860] [2023-05-20 08:40:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 08:40:58,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:58,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699023860] [2023-05-20 08:40:58,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699023860] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:58,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710553204] [2023-05-20 08:40:58,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 08:40:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:58,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:58,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 08:40:59,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 08:40:59,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:59,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 201 conjunts are in the unsatisfiable core [2023-05-20 08:40:59,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:41:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,545 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:41:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:41:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:06,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:41:07,054 INFO L356 Elim1Store]: treesize reduction 836, result has 23.4 percent of original size [2023-05-20 08:41:07,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 126 treesize of output 277 [2023-05-20 08:41:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 08:41:07,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:14,331 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:41:14,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 161 treesize of output 1486 [2023-05-20 08:49:04,357 INFO L356 Elim1Store]: treesize reduction 1159, result has 20.9 percent of original size [2023-05-20 08:49:04,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 161 treesize of output 327 [2023-05-20 08:49:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 46 proven. 80 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 08:49:07,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710553204] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:49:07,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:49:07,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 62, 50] total 166 [2023-05-20 08:49:07,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297310863] [2023-05-20 08:49:07,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:49:07,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2023-05-20 08:49:07,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:49:07,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2023-05-20 08:49:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1457, Invalid=25933, Unknown=0, NotChecked=0, Total=27390 [2023-05-20 08:49:07,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:07,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:49:07,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 3.6144578313253013) internal successors, (600), 166 states have internal predecessors, (600), 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) [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-20 08:49:33,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 08:49:33,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:49:33,283 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:49:33,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:49:33,283 INFO L85 PathProgramCache]: Analyzing trace with hash 494970580, now seen corresponding path program 9 times [2023-05-20 08:49:33,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:49:33,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701199468] [2023-05-20 08:49:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:49:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:49:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:49:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 63 proven. 81 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 08:49:33,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:49:33,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701199468] [2023-05-20 08:49:33,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701199468] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:49:33,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445348895] [2023-05-20 08:49:33,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 08:49:33,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:49:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:49:33,973 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:49:33,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 08:49:34,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-20 08:49:34,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:49:34,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 08:49:34,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:49:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 120 proven. 46 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 08:49:34,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:49:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 98 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 08:49:35,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445348895] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:49:35,457 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:49:35,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30, 23] total 61 [2023-05-20 08:49:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639882766] [2023-05-20 08:49:35,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:49:35,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-20 08:49:35,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:49:35,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-20 08:49:35,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=3162, Unknown=0, NotChecked=0, Total=3660 [2023-05-20 08:49:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:35,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:49:35,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.901639344262295) internal successors, (482), 61 states have internal predecessors, (482), 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) [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-20 08:49:35,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-20 08:49:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:36,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 08:49:36,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 08:49:36,558 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:49:36,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:49:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash -901721938, now seen corresponding path program 10 times [2023-05-20 08:49:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:49:36,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856993817] [2023-05-20 08:49:36,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:49:36,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:49:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:49:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 65 proven. 94 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-20 08:49:37,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:49:37,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856993817] [2023-05-20 08:49:37,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856993817] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:49:37,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42924401] [2023-05-20 08:49:37,245 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 08:49:37,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:49:37,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:49:37,248 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:49:37,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 08:49:37,382 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 08:49:37,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:49:37,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 08:49:37,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:49:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 84 proven. 75 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-20 08:49:38,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:49:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 113 proven. 46 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-20 08:49:38,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42924401] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:49:38,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:49:38,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 57 [2023-05-20 08:49:38,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277253596] [2023-05-20 08:49:38,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:49:38,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-20 08:49:38,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:49:38,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-20 08:49:38,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=2732, Unknown=0, NotChecked=0, Total=3192 [2023-05-20 08:49:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:38,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:49:38,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.12280701754386) internal successors, (349), 57 states have internal predecessors, (349), 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) [2023-05-20 08:49:38,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:38,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:38,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 08:49:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 08:49:40,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 08:49:40,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 08:49:40,482 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:49:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:49:40,482 INFO L85 PathProgramCache]: Analyzing trace with hash -817055782, now seen corresponding path program 11 times [2023-05-20 08:49:40,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:49:40,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70671715] [2023-05-20 08:49:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:49:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:49:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:49:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 27 proven. 171 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-05-20 08:49:41,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:49:41,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70671715] [2023-05-20 08:49:41,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70671715] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:49:41,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090957809] [2023-05-20 08:49:41,148 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 08:49:41,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:49:41,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:49:41,149 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:49:41,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 08:49:41,401 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 08:49:41,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:49:41,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 08:49:41,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:49:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 46 proven. 152 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-05-20 08:49:42,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:49:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 75 proven. 123 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-05-20 08:49:42,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090957809] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:49:42,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:49:42,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-20 08:49:42,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047242808] [2023-05-20 08:49:42,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:49:42,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 08:49:42,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:49:42,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 08:49:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 08:49:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:42,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:49:42,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.537037037037037) internal successors, (407), 54 states have internal predecessors, (407), 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) [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 08:49:42,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 08:49:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 08:49:43,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 08:49:44,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 08:49:44,019 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:49:44,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:49:44,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1931278430, now seen corresponding path program 12 times [2023-05-20 08:49:44,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:49:44,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882563379] [2023-05-20 08:49:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:49:44,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:49:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:49:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 153 proven. 75 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-20 08:49:45,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:49:45,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882563379] [2023-05-20 08:49:45,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882563379] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:49:45,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077250480] [2023-05-20 08:49:45,161 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 08:49:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:49:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:49:45,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:49:45,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 08:49:45,551 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-20 08:49:45,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:49:45,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-20 08:49:45,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:49:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 70 proven. 149 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 08:49:47,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:49:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 13 proven. 148 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-20 08:49:48,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077250480] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:49:48,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:49:48,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 41, 28] total 95 [2023-05-20 08:49:48,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199798864] [2023-05-20 08:49:48,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:49:48,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2023-05-20 08:49:48,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:49:48,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2023-05-20 08:49:48,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=482, Invalid=8448, Unknown=0, NotChecked=0, Total=8930 [2023-05-20 08:49:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:48,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:49:48,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 6.073684210526316) internal successors, (577), 95 states have internal predecessors, (577), 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) [2023-05-20 08:49:48,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:48,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 08:49:48,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:49:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 08:49:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 08:49:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 08:49:57,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 08:49:57,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 08:49:57,891 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 08:49:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:49:57,892 INFO L85 PathProgramCache]: Analyzing trace with hash -417945848, now seen corresponding path program 13 times [2023-05-20 08:49:57,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:49:57,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917420169] [2023-05-20 08:49:57,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:49:57,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:49:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:50:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 31 proven. 383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:50:27,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:50:27,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917420169] [2023-05-20 08:50:27,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917420169] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:50:27,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464936242] [2023-05-20 08:50:27,332 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 08:50:27,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:50:27,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:50:27,333 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:50:27,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 08:50:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:50:27,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 285 conjunts are in the unsatisfiable core [2023-05-20 08:50:27,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:50:44,104 INFO L356 Elim1Store]: treesize reduction 2398, result has 20.0 percent of original size [2023-05-20 08:50:44,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 205 treesize of output 629 [2023-05-20 08:50:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 412 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 08:50:46,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:51:07,965 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 775 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 08:51:07,965 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:51:07,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 241 treesize of output 3354 Received shutdown request... [2023-05-20 08:53:14,434 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:53:14,441 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:53:14,444 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 08:53:14,446 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 08:53:14,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-20 08:53:14,481 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:53:14,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:53:14,647 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 290 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 34ms.. [2023-05-20 08:53:14,650 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 08:53:14,650 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 08:53:14,650 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 08:53:14,655 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1] [2023-05-20 08:53:14,657 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 08:53:14,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 08:53:14,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 08:53:14 BasicIcfg [2023-05-20 08:53:14,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 08:53:14,660 INFO L158 Benchmark]: Toolchain (without parser) took 794997.84ms. Allocated memory was 180.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 149.1MB in the beginning and 779.3MB in the end (delta: -630.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 08:53:14,660 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 08:53:14,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.74ms. Allocated memory was 180.4MB in the beginning and 223.3MB in the end (delta: 43.0MB). Free memory was 148.9MB in the beginning and 190.9MB in the end (delta: -42.1MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. [2023-05-20 08:53:14,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 223.3MB. Free memory was 190.9MB in the beginning and 188.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 08:53:14,660 INFO L158 Benchmark]: Boogie Preprocessor took 63.20ms. Allocated memory is still 223.3MB. Free memory was 188.3MB in the beginning and 186.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 08:53:14,661 INFO L158 Benchmark]: RCFGBuilder took 974.03ms. Allocated memory is still 223.3MB. Free memory was 186.2MB in the beginning and 191.0MB in the end (delta: -4.8MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. [2023-05-20 08:53:14,661 INFO L158 Benchmark]: TraceAbstraction took 793617.52ms. Allocated memory was 223.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 190.0MB in the beginning and 779.3MB in the end (delta: -589.3MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 08:53:14,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.74ms. Allocated memory was 180.4MB in the beginning and 223.3MB in the end (delta: 43.0MB). Free memory was 148.9MB in the beginning and 190.9MB in the end (delta: -42.1MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 223.3MB. Free memory was 190.9MB in the beginning and 188.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.20ms. Allocated memory is still 223.3MB. Free memory was 188.3MB in the beginning and 186.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 974.03ms. Allocated memory is still 223.3MB. Free memory was 186.2MB in the beginning and 191.0MB in the end (delta: -4.8MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. * TraceAbstraction took 793617.52ms. Allocated memory was 223.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 190.0MB in the beginning and 779.3MB in the end (delta: -589.3MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6063, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 1124, dependent conditional: 1115, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1234, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1234, independent: 1223, independent conditional: 0, independent unconditional: 1223, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4948, independent: 3714, independent conditional: 0, independent unconditional: 3714, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1234, unknown conditional: 0, unknown unconditional: 1234] , Statistics on independence cache: Total cache size (in pairs): 1234, Positive cache size: 1225, Positive conditional cache size: 0, Positive unconditional cache size: 1225, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 1115 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 191, Number of trivial persistent sets: 170, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1284, independent: 1275, independent conditional: 0, independent unconditional: 1275, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6063, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 1124, dependent conditional: 1115, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 3664, independent unconditional: 1275, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4948, independent: 4939, independent conditional: 0, independent unconditional: 4939, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1234, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1234, independent: 1223, independent conditional: 0, independent unconditional: 1223, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4948, independent: 3714, independent conditional: 0, independent unconditional: 3714, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1234, unknown conditional: 0, unknown unconditional: 1234] , Statistics on independence cache: Total cache size (in pairs): 1234, Positive cache size: 1225, Positive conditional cache size: 0, Positive unconditional cache size: 1225, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 1115 - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 290 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 34ms.. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 290 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 34ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 290 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 34ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 290 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 34ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 214 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 793.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 51.6s, 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: 633, 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: 0.5s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 538.5s InterpolantComputationTime, 5741 NumberOfCodeBlocks, 5689 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 8364 ConstructedInterpolants, 20 QuantifiedInterpolants, 71166 SizeOfPredicates, 385 NumberOfNonLiveVariables, 7026 ConjunctsInSsa, 550 ConjunctsInUnsatCore, 39 InterpolantComputations, 3 PerfectInterpolantSequences, 2959/5193 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown