/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-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 13:04:57,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 13:04:57,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 13:04:57,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 13:04:57,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 13:04:57,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 13:04:57,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 13:04:57,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 13:04:57,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 13:04:57,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 13:04:57,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 13:04:57,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 13:04:57,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 13:04:57,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 13:04:57,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 13:04:57,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 13:04:57,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 13:04:57,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 13:04:57,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 13:04:57,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 13:04:57,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 13:04:57,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 13:04:57,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 13:04:57,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 13:04:57,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 13:04:57,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 13:04:57,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 13:04:57,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 13:04:57,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 13:04:57,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 13:04:57,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 13:04:57,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 13:04:57,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 13:04:57,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 13:04:57,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 13:04:57,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 13:04:57,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 13:04:57,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 13:04:57,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 13:04:57,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 13:04:57,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 13:04:57,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 13:04:58,016 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 13:04:58,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 13:04:58,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 13:04:58,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 13:04:58,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 13:04:58,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 13:04:58,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 13:04:58,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 13:04:58,018 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 13:04:58,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 13:04:58,019 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 13:04:58,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 13:04:58,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 13:04:58,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 13:04:58,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:04:58,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 13:04:58,021 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 13:04:58,022 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 13:04:58,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 13:04:58,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 13:04:58,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 13:04:58,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 13:04:58,237 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 13:04:58,238 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 13:04:58,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-05-04 13:04:58,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad7bc7436/b4fed494f89a4b65a75b1c30ca8a287f/FLAGda0ab6764 [2023-05-04 13:04:58,686 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 13:04:58,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-05-04 13:04:58,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad7bc7436/b4fed494f89a4b65a75b1c30ca8a287f/FLAGda0ab6764 [2023-05-04 13:04:58,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad7bc7436/b4fed494f89a4b65a75b1c30ca8a287f [2023-05-04 13:04:58,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 13:04:58,704 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 13:04:58,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 13:04:58,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 13:04:58,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 13:04:58,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:58,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396337e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58, skipping insertion in model container [2023-05-04 13:04:58,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:58,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 13:04:58,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 13:04:58,907 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-three-array-sum.wvr.c[2691,2704] [2023-05-04 13:04:58,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:04:58,934 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 13:04:58,964 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-three-array-sum.wvr.c[2691,2704] [2023-05-04 13:04:58,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:04:58,976 INFO L208 MainTranslator]: Completed translation [2023-05-04 13:04:58,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58 WrapperNode [2023-05-04 13:04:58,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 13:04:58,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 13:04:58,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 13:04:58,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 13:04:58,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:58,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,017 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 150 [2023-05-04 13:04:59,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 13:04:59,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 13:04:59,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 13:04:59,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 13:04:59,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 13:04:59,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 13:04:59,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 13:04:59,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 13:04:59,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (1/1) ... [2023-05-04 13:04:59,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:04:59,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:04:59,080 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) [2023-05-04 13:04:59,082 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 [2023-05-04 13:04:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 13:04:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 13:04:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 13:04:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 13:04:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 13:04:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 13:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 13:04:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 13:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 13:04:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 13:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 13:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 13:04:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 13:04:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 13:04:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 13:04:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 13:04:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 13:04:59,114 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 13:04:59,223 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 13:04:59,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 13:04:59,503 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 13:04:59,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 13:04:59,563 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 13:04:59,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:04:59 BoogieIcfgContainer [2023-05-04 13:04:59,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 13:04:59,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 13:04:59,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 13:04:59,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 13:04:59,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 01:04:58" (1/3) ... [2023-05-04 13:04:59,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:04:59, skipping insertion in model container [2023-05-04 13:04:59,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:04:58" (2/3) ... [2023-05-04 13:04:59,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:04:59, skipping insertion in model container [2023-05-04 13:04:59,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:04:59" (3/3) ... [2023-05-04 13:04:59,574 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-05-04 13:04:59,581 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 13:04:59,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 13:04:59,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 13:04:59,590 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 13:04:59,675 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 13:04:59,713 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:04:59,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 13:04:59,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:04:59,717 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) [2023-05-04 13:04:59,727 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 [2023-05-04 13:04:59,751 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 13:04:59,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 13:04:59,772 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;@5f3c0e7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:04:59,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 13:05:00,087 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)] === [2023-05-04 13:05:00,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2105150088, now seen corresponding path program 1 times [2023-05-04 13:05:00,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:00,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136379867] [2023-05-04 13:05:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:00,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 13:05:00,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:00,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136379867] [2023-05-04 13:05:00,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136379867] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:05:00,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:05:00,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 13:05:00,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393634687] [2023-05-04 13:05:00,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:05:00,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 13:05:00,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 13:05:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 13:05:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:00,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:00,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 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) [2023-05-04 13:05:00,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:00,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:00,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 13:05:00,543 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)] === [2023-05-04 13:05:00,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1515923224, now seen corresponding path program 1 times [2023-05-04 13:05:00,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:00,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98515722] [2023-05-04 13:05:00,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:05:01,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:01,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98515722] [2023-05-04 13:05:01,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98515722] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:05:01,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:05:01,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 13:05:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311928386] [2023-05-04 13:05:01,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:05:01,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 13:05:01,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:01,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 13:05:01,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 13:05:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:01,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:01,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2023-05-04 13:05:01,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:01,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:01,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 13:05:01,252 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)] === [2023-05-04 13:05:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1327896093, now seen corresponding path program 1 times [2023-05-04 13:05:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:01,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321335653] [2023-05-04 13:05:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:01,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:01,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321335653] [2023-05-04 13:05:01,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321335653] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:01,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034704410] [2023-05-04 13:05:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:01,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:01,573 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) [2023-05-04 13:05:01,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 13:05:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:01,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 13:05:01,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:02,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:02,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034704410] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:02,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 13:05:02,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 13:05:02,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514171148] [2023-05-04 13:05:02,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:05:02,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 13:05:02,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:02,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 13:05:02,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 13:05:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:02,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:02,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2023-05-04 13:05:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:02,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:02,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 13:05:02,677 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)] === [2023-05-04 13:05:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:02,677 INFO L85 PathProgramCache]: Analyzing trace with hash -495637665, now seen corresponding path program 1 times [2023-05-04 13:05:02,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:02,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006711573] [2023-05-04 13:05:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:02,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:02,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:02,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006711573] [2023-05-04 13:05:02,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006711573] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:02,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310924969] [2023-05-04 13:05:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:02,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:02,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:02,895 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) [2023-05-04 13:05:02,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 13:05:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:03,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 13:05:03,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:03,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:05:03,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310924969] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:03,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 13:05:03,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 13:05:03,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577531462] [2023-05-04 13:05:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:05:03,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 13:05:03,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:03,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 13:05:03,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 13:05:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:03,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:03,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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) [2023-05-04 13:05:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:03,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:03,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:03,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:03,845 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)] === [2023-05-04 13:05:03,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:03,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1513855102, now seen corresponding path program 1 times [2023-05-04 13:05:03,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:03,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15454649] [2023-05-04 13:05:03,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-04 13:05:04,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:04,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15454649] [2023-05-04 13:05:04,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15454649] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:05:04,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:05:04,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 13:05:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596431408] [2023-05-04 13:05:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:05:04,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 13:05:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:04,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 13:05:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-04 13:05:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:04,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:04,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 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) [2023-05-04 13:05:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:04,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 13:05:04,093 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)] === [2023-05-04 13:05:04,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:04,094 INFO L85 PathProgramCache]: Analyzing trace with hash 562489984, now seen corresponding path program 1 times [2023-05-04 13:05:04,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:04,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331860258] [2023-05-04 13:05:04,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 13:05:04,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:04,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331860258] [2023-05-04 13:05:04,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331860258] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:04,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933461727] [2023-05-04 13:05:04,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:04,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:04,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:04,437 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) [2023-05-04 13:05:04,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 13:05:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:04,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 13:05:04,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 13:05:04,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 13:05:05,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933461727] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:05,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:05,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 13:05:05,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737996683] [2023-05-04 13:05:05,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:05,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 13:05:05,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 13:05:05,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-04 13:05:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:05,283 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:05,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 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) [2023-05-04 13:05:05,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:05,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:05,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:05,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:05,941 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 [2023-05-04 13:05:05,941 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)] === [2023-05-04 13:05:05,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:05,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1481462229, now seen corresponding path program 2 times [2023-05-04 13:05:05,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:05,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405089667] [2023-05-04 13:05:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:05,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 13:05:06,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405089667] [2023-05-04 13:05:06,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405089667] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344102496] [2023-05-04 13:05:06,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 13:05:06,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:06,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:06,319 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) [2023-05-04 13:05:06,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 13:05:06,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 13:05:06,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:06,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 13:05:06,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 13:05:06,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 13:05:07,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344102496] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:07,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:07,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 13:05:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260722155] [2023-05-04 13:05:07,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:07,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 13:05:07,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 13:05:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-04 13:05:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:07,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:07,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.25) internal successors, (366), 24 states have internal predecessors, (366), 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) [2023-05-04 13:05:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:07,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:07,850 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 [2023-05-04 13:05:07,850 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)] === [2023-05-04 13:05:07,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1569507087, now seen corresponding path program 3 times [2023-05-04 13:05:07,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:07,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124609521] [2023-05-04 13:05:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:07,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 13:05:08,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:08,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124609521] [2023-05-04 13:05:08,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124609521] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:08,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639875175] [2023-05-04 13:05:08,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 13:05:08,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:08,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:08,191 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) [2023-05-04 13:05:08,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 13:05:08,429 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 13:05:08,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:08,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 13:05:08,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 13:05:08,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-04 13:05:08,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639875175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:08,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:08,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 22 [2023-05-04 13:05:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084392181] [2023-05-04 13:05:08,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:08,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 13:05:08,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:08,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 13:05:08,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2023-05-04 13:05:08,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:08,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:08,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 18.454545454545453) internal successors, (406), 22 states have internal predecessors, (406), 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) [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:08,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:10,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:10,262 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 [2023-05-04 13:05:10,263 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)] === [2023-05-04 13:05:10,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:10,263 INFO L85 PathProgramCache]: Analyzing trace with hash 957480638, now seen corresponding path program 4 times [2023-05-04 13:05:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:10,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914914786] [2023-05-04 13:05:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:10,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-04 13:05:10,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:10,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914914786] [2023-05-04 13:05:10,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914914786] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:10,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829160633] [2023-05-04 13:05:10,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 13:05:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:10,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:10,724 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) [2023-05-04 13:05:10,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 13:05:10,858 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 13:05:10,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:10,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 13:05:10,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 117 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-04 13:05:11,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 14 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-04 13:05:11,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829160633] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:11,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:11,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-04 13:05:11,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99619148] [2023-05-04 13:05:11,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:11,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 13:05:11,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 13:05:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1122, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 13:05:11,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:11,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:11,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.891891891891891) internal successors, (403), 37 states have internal predecessors, (403), 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) [2023-05-04 13:05:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:11,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:11,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:12,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:12,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:12,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 13:05:12,660 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 [2023-05-04 13:05:12,661 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)] === [2023-05-04 13:05:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2056314679, now seen corresponding path program 5 times [2023-05-04 13:05:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:12,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881197791] [2023-05-04 13:05:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-05-04 13:05:13,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:13,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881197791] [2023-05-04 13:05:13,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881197791] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:13,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9916733] [2023-05-04 13:05:13,184 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 13:05:13,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:13,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:13,189 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) [2023-05-04 13:05:13,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 13:05:13,318 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 13:05:13,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:13,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 13:05:13,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-05-04 13:05:13,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-05-04 13:05:13,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9916733] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:13,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:13,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2023-05-04 13:05:13,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719687612] [2023-05-04 13:05:13,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:13,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 13:05:13,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:13,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 13:05:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-05-04 13:05:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:13,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:13,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 19.75) internal successors, (395), 20 states have internal predecessors, (395), 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) [2023-05-04 13:05:13,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:13,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:13,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:14,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:15,028 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 [2023-05-04 13:05:15,028 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)] === [2023-05-04 13:05:15,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:15,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1251023903, now seen corresponding path program 6 times [2023-05-04 13:05:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:15,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275711997] [2023-05-04 13:05:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:15,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 24 proven. 52 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-04 13:05:15,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:15,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275711997] [2023-05-04 13:05:15,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275711997] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:15,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93442495] [2023-05-04 13:05:15,495 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 13:05:15,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:15,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:15,496 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) [2023-05-04 13:05:15,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 13:05:15,717 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-04 13:05:15,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:15,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 13:05:15,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 29 proven. 49 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 13:05:16,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 23 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 13:05:16,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93442495] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:16,272 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:16,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 12] total 30 [2023-05-04 13:05:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615266963] [2023-05-04 13:05:16,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 13:05:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 13:05:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2023-05-04 13:05:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:16,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:16,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.233333333333333) internal successors, (427), 30 states have internal predecessors, (427), 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) [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:16,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:17,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:17,925 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 [2023-05-04 13:05:17,926 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)] === [2023-05-04 13:05:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash -259944351, now seen corresponding path program 7 times [2023-05-04 13:05:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:17,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545383056] [2023-05-04 13:05:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 34 proven. 91 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-05-04 13:05:18,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:18,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545383056] [2023-05-04 13:05:18,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545383056] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:18,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017015063] [2023-05-04 13:05:18,387 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 13:05:18,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:18,389 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) [2023-05-04 13:05:18,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 13:05:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:18,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 13:05:18,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-04 13:05:19,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-04 13:05:19,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017015063] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:19,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:19,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 19] total 48 [2023-05-04 13:05:19,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586737624] [2023-05-04 13:05:19,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:19,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 13:05:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:19,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 13:05:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1991, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 13:05:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:19,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:19,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.916666666666666) internal successors, (524), 48 states have internal predecessors, (524), 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) [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:19,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:21,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:21,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:21,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:21,873 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 [2023-05-04 13:05:21,873 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)] === [2023-05-04 13:05:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:21,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1299052370, now seen corresponding path program 8 times [2023-05-04 13:05:21,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:21,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690933149] [2023-05-04 13:05:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:21,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-05-04 13:05:22,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:22,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690933149] [2023-05-04 13:05:22,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690933149] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:22,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283292086] [2023-05-04 13:05:22,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 13:05:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:22,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:22,491 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) [2023-05-04 13:05:22,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 13:05:22,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 13:05:22,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:22,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-04 13:05:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 86 proven. 123 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-05-04 13:05:23,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 98 proven. 113 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-05-04 13:05:24,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283292086] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:24,682 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:24,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 30, 29] total 67 [2023-05-04 13:05:24,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625209683] [2023-05-04 13:05:24,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:24,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-04 13:05:24,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:24,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-04 13:05:24,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=3864, Unknown=0, NotChecked=0, Total=4422 [2023-05-04 13:05:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:24,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:24,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.940298507462687) internal successors, (666), 67 states have internal predecessors, (666), 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) [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:24,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 13:05:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 13:05:27,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:27,707 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 [2023-05-04 13:05:27,707 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)] === [2023-05-04 13:05:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1761896744, now seen corresponding path program 1 times [2023-05-04 13:05:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:27,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554635155] [2023-05-04 13:05:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 76 proven. 110 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-05-04 13:05:28,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:28,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554635155] [2023-05-04 13:05:28,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554635155] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:28,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464783320] [2023-05-04 13:05:28,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:28,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:28,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:28,369 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) [2023-05-04 13:05:28,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 13:05:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:28,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 13:05:28,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 131 proven. 73 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-04 13:05:29,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 162 proven. 42 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-04 13:05:30,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464783320] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:30,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:30,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 53 [2023-05-04 13:05:30,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481743428] [2023-05-04 13:05:30,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:30,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-04 13:05:30,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:30,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-04 13:05:30,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=2259, Unknown=0, NotChecked=0, Total=2756 [2023-05-04 13:05:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:30,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:30,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 9.30188679245283) internal successors, (493), 53 states have internal predecessors, (493), 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) [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 13:05:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:32,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:32,225 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 [2023-05-04 13:05:32,225 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)] === [2023-05-04 13:05:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash -10206296, now seen corresponding path program 9 times [2023-05-04 13:05:32,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:32,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931555454] [2023-05-04 13:05:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 57 proven. 210 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-05-04 13:05:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931555454] [2023-05-04 13:05:32,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931555454] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189915171] [2023-05-04 13:05:32,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 13:05:32,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:32,933 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) [2023-05-04 13:05:32,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 13:05:33,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 13:05:33,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:33,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 13:05:33,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 158 proven. 50 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-05-04 13:05:33,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-05-04 13:05:34,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189915171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:34,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:34,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 18] total 47 [2023-05-04 13:05:34,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485021821] [2023-05-04 13:05:34,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:34,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-04 13:05:34,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-04 13:05:34,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1964, Unknown=0, NotChecked=0, Total=2162 [2023-05-04 13:05:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:34,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 11.212765957446809) internal successors, (527), 47 states have internal predecessors, (527), 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) [2023-05-04 13:05:34,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:34,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 13:05:38,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:38,695 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 [2023-05-04 13:05:38,695 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)] === [2023-05-04 13:05:38,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:38,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2107880616, now seen corresponding path program 10 times [2023-05-04 13:05:38,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:38,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275779757] [2023-05-04 13:05:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 58 proven. 257 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-05-04 13:05:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275779757] [2023-05-04 13:05:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275779757] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629607996] [2023-05-04 13:05:39,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 13:05:39,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:39,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:39,310 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) [2023-05-04 13:05:39,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 13:05:39,499 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 13:05:39,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:39,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 13:05:39,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 113 proven. 220 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-05-04 13:05:40,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 144 proven. 189 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-05-04 13:05:40,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629607996] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:40,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:40,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 53 [2023-05-04 13:05:40,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782500565] [2023-05-04 13:05:40,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:40,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-04 13:05:40,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:40,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-04 13:05:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=2259, Unknown=0, NotChecked=0, Total=2756 [2023-05-04 13:05:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:40,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:40,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 10.754716981132075) internal successors, (570), 53 states have internal predecessors, (570), 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) [2023-05-04 13:05:40,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:40,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-04 13:05:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 13:05:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:42,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:42,862 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 [2023-05-04 13:05:42,863 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 13:05:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1542119276, now seen corresponding path program 11 times [2023-05-04 13:05:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:42,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057134983] [2023-05-04 13:05:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:42,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:05:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 210 proven. 62 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2023-05-04 13:05:43,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:05:43,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057134983] [2023-05-04 13:05:43,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057134983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:05:43,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410730734] [2023-05-04 13:05:43,616 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 13:05:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:05:43,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:05:43,617 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 13:05:43,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 13:05:44,206 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-04 13:05:44,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:05:44,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-04 13:05:44,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:05:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 261 proven. 20 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-05-04 13:05:44,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:05:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 259 proven. 22 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-05-04 13:05:44,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410730734] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:05:44,740 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:05:44,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 38 [2023-05-04 13:05:44,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744283357] [2023-05-04 13:05:44,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:05:44,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 13:05:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:05:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 13:05:44,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1230, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 13:05:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:44,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:05:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.894736842105264) internal successors, (338), 38 states have internal predecessors, (338), 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) [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:44,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:44,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-04 13:05:44,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:44,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 13:05:45,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 13:05:45,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-04 13:05:46,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 13:05:46,163 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 13:05:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:05:46,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1940933396, now seen corresponding path program 2 times [2023-05-04 13:05:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:05:46,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031556983] [2023-05-04 13:05:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:05:46,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:05:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:06:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 444 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-05-04 13:06:14,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:06:14,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031556983] [2023-05-04 13:06:14,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031556983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:06:14,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263381723] [2023-05-04 13:06:14,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 13:06:14,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:06:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:06:14,722 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 13:06:14,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 13:06:15,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 13:06:15,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:06:15,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 240 conjunts are in the unsatisfiable core [2023-05-04 13:06:15,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:06:15,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 13:06:18,055 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 13:06:18,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 13:06:19,923 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-04 13:06:19,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 13:06:21,950 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:21,954 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:06:21,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2023-05-04 13:06:22,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:22,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:22,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:22,805 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:06:22,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 32 [2023-05-04 13:06:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:25,156 INFO L356 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2023-05-04 13:06:25,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 71 [2023-05-04 13:06:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:25,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:25,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:25,899 INFO L356 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2023-05-04 13:06:25,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 103 [2023-05-04 13:06:30,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:30,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:30,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:30,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:30,285 INFO L356 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2023-05-04 13:06:30,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 11 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 22 case distinctions, treesize of input 182 treesize of output 151 [2023-05-04 13:06:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,349 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:31,349 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:31,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:31,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:31,382 INFO L356 Elim1Store]: treesize reduction 134, result has 20.7 percent of original size [2023-05-04 13:06:31,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 19 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 196 treesize of output 182 [2023-05-04 13:06:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,771 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:37,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:06:37,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:37,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:37,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:06:37,815 INFO L356 Elim1Store]: treesize reduction 211, result has 7.0 percent of original size [2023-05-04 13:06:37,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 26 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 59 case distinctions, treesize of input 304 treesize of output 232 [2023-05-04 13:06:46,772 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 13:06:46,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 17 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 51 case distinctions, treesize of input 244 treesize of output 112 [2023-05-04 13:06:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-05-04 13:06:47,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:09:37,601 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse12 (select .cse10 c_~C~0.base)) (.cse3 (select .cse10 c_~B~0.base)) (.cse7 (select .cse10 c_~A~0.base)) (.cse15 (* c_thread2Thread1of1ForFork1_~i~1 4))) (let ((.cse14 (let ((.cse20 (store .cse12 (+ .cse15 c_~C~0.offset) (+ (select .cse3 (+ .cse15 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset .cse15)))))) (store .cse20 (+ .cse15 c_~C~0.offset 4) (let ((.cse21 (store .cse10 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~B~0.base) (+ .cse15 4 c_~B~0.offset)) (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 4)))))))) (let ((.cse19 (store .cse10 c_~C~0.base .cse14))) (let ((.cse8 (select .cse19 c_~B~0.base)) (.cse5 (select .cse19 c_~A~0.base))) (let ((.cse13 (let ((.cse17 (store .cse14 (+ .cse15 c_~C~0.offset 8) (+ (select .cse8 (+ .cse15 8 c_~B~0.offset)) (select .cse5 (+ c_~A~0.offset .cse15 8)))))) (store .cse17 (+ .cse15 c_~C~0.offset 12) (let ((.cse18 (store .cse10 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 12)) (select (select .cse18 c_~B~0.base) (+ .cse15 12 c_~B~0.offset)))))))) (let ((.cse16 (store .cse10 c_~C~0.base .cse13))) (let ((.cse4 (select .cse16 c_~B~0.base)) (.cse0 (select .cse16 c_~A~0.base))) (let ((.cse11 (store .cse13 (+ .cse15 16 c_~C~0.offset) (+ (select .cse4 (+ .cse15 16 c_~B~0.offset)) (select .cse0 (+ c_~A~0.offset .cse15 16)))))) (= (mod (let ((.cse9 (store .cse10 c_~C~0.base .cse11))) (let ((.cse2 (select .cse9 c_~A~0.base)) (.cse6 (select .cse9 c_~B~0.base)) (.cse1 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset 8 .cse1)) (select .cse2 (+ c_~A~0.offset 12 .cse1)) (select .cse3 (+ .cse1 c_~B~0.offset)) (select .cse4 (+ 8 .cse1 c_~B~0.offset)) c_~asum~0 c_~bsum~0 (select .cse2 (+ c_~A~0.offset 20 .cse1)) (select .cse5 (+ c_~A~0.offset 4 .cse1)) (select .cse6 (+ 16 .cse1 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset .cse1)) (select .cse2 (+ c_~A~0.offset 16 .cse1)) (select .cse6 (+ 20 .cse1 c_~B~0.offset)) (select .cse6 (+ 12 .cse1 c_~B~0.offset)) (select .cse8 (+ 4 .cse1 c_~B~0.offset))))) 4294967296) (mod (+ (select .cse11 (+ c_~C~0.offset 20)) (select .cse12 c_~C~0.offset) c_~csum~0 (select .cse13 (+ c_~C~0.offset 12)) (select .cse14 (+ c_~C~0.offset 8)) (select .cse13 (+ 16 c_~C~0.offset)) (select .cse14 (+ c_~C~0.offset 4))) 4294967296)))))))))))) is different from false [2023-05-04 13:09:40,043 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse3 (select .cse14 c_~C~0.base)) (.cse4 (select .cse14 c_~B~0.base)) (.cse11 (select .cse14 c_~A~0.base)) (.cse15 (* |c_thread2Thread1of1ForFork1_#t~post4| 4))) (let ((.cse1 (let ((.cse20 (store .cse3 (+ .cse15 c_~C~0.offset 4) (+ (select .cse4 (+ .cse15 4 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse15 4)))))) (store .cse20 (+ .cse15 c_~C~0.offset 8) (let ((.cse21 (store .cse14 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 8)) (select (select .cse21 c_~B~0.base) (+ .cse15 8 c_~B~0.offset)))))))) (let ((.cse19 (store .cse14 c_~C~0.base .cse1))) (let ((.cse8 (select .cse19 c_~B~0.base)) (.cse9 (select .cse19 c_~A~0.base))) (let ((.cse0 (let ((.cse17 (store .cse1 (+ .cse15 c_~C~0.offset 12) (+ (select .cse8 (+ .cse15 12 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset .cse15 12)))))) (store .cse17 (+ .cse15 16 c_~C~0.offset) (let ((.cse18 (store .cse14 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 16)) (select (select .cse18 c_~B~0.base) (+ .cse15 16 c_~B~0.offset)))))))) (let ((.cse16 (store .cse14 c_~C~0.base .cse0))) (let ((.cse12 (select .cse16 c_~A~0.base)) (.cse10 (select .cse16 c_~B~0.base))) (let ((.cse2 (store .cse0 (+ .cse15 c_~C~0.offset 20) (+ (select .cse12 (+ c_~A~0.offset .cse15 20)) (select .cse10 (+ .cse15 20 c_~B~0.offset)))))) (= (mod (+ (select .cse0 (+ c_~C~0.offset 12)) (select .cse1 (+ c_~C~0.offset 8)) (select .cse2 (+ c_~C~0.offset 20)) (select .cse3 c_~C~0.offset) c_~csum~0 (select .cse1 (+ c_~C~0.offset 4)) (select .cse0 (+ 16 c_~C~0.offset))) 4294967296) (mod (let ((.cse13 (store .cse14 c_~C~0.base .cse2))) (let ((.cse6 (select .cse13 c_~A~0.base)) (.cse7 (select .cse13 c_~B~0.base)) (.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse4 (+ .cse5 c_~B~0.offset)) c_~asum~0 (select .cse6 (+ c_~A~0.offset 12 .cse5)) c_~bsum~0 (select .cse7 (+ 20 .cse5 c_~B~0.offset)) (select .cse8 (+ 4 .cse5 c_~B~0.offset)) (select .cse6 (+ c_~A~0.offset 16 .cse5)) (select .cse7 (+ 12 .cse5 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset 4 .cse5)) (select .cse10 (+ 8 .cse5 c_~B~0.offset)) (select .cse6 (+ c_~A~0.offset 20 .cse5)) (select .cse7 (+ 16 .cse5 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse5)) (select .cse12 (+ c_~A~0.offset 8 .cse5))))) 4294967296)))))))))))) is different from false [2023-05-04 13:09:40,221 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1425 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1425))) (let ((.cse2 (select .cse14 c_~C~0.base)) (.cse6 (select .cse14 c_~B~0.base)) (.cse12 (select .cse14 c_~A~0.base)) (.cse15 (* c_thread2Thread1of1ForFork1_~i~1 4))) (let ((.cse1 (let ((.cse20 (store .cse2 (+ .cse15 c_~C~0.offset 4) (+ (select .cse6 (+ .cse15 4 c_~B~0.offset)) (select .cse12 (+ c_~A~0.offset .cse15 4)))))) (store .cse20 (+ .cse15 c_~C~0.offset 8) (let ((.cse21 (store .cse14 c_~C~0.base .cse20))) (+ (select (select .cse21 c_~A~0.base) (+ c_~A~0.offset .cse15 8)) (select (select .cse21 c_~B~0.base) (+ .cse15 8 c_~B~0.offset)))))))) (let ((.cse19 (store .cse14 c_~C~0.base .cse1))) (let ((.cse4 (select .cse19 c_~B~0.base)) (.cse11 (select .cse19 c_~A~0.base))) (let ((.cse0 (let ((.cse17 (store .cse1 (+ .cse15 c_~C~0.offset 12) (+ (select .cse4 (+ .cse15 12 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset .cse15 12)))))) (store .cse17 (+ .cse15 16 c_~C~0.offset) (let ((.cse18 (store .cse14 c_~C~0.base .cse17))) (+ (select (select .cse18 c_~B~0.base) (+ .cse15 16 c_~B~0.offset)) (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset .cse15 16)))))))) (let ((.cse16 (store .cse14 c_~C~0.base .cse0))) (let ((.cse9 (select .cse16 c_~A~0.base)) (.cse10 (select .cse16 c_~B~0.base))) (let ((.cse3 (store .cse0 (+ .cse15 c_~C~0.offset 20) (+ (select .cse9 (+ c_~A~0.offset .cse15 20)) (select .cse10 (+ .cse15 20 c_~B~0.offset)))))) (= (mod (+ (select .cse0 (+ 16 c_~C~0.offset)) (select .cse1 (+ c_~C~0.offset 4)) (select .cse1 (+ c_~C~0.offset 8)) (select .cse2 c_~C~0.offset) (select .cse0 (+ c_~C~0.offset 12)) (select .cse3 (+ c_~C~0.offset 20)) c_~csum~0) 4294967296) (mod (let ((.cse13 (store .cse14 c_~C~0.base .cse3))) (let ((.cse7 (select .cse13 c_~A~0.base)) (.cse8 (select .cse13 c_~B~0.base)) (.cse5 (* c_thread1Thread1of1ForFork0_~i~0 4))) (+ (select .cse4 (+ 4 .cse5 c_~B~0.offset)) (select .cse6 (+ .cse5 c_~B~0.offset)) c_~asum~0 (select .cse7 (+ c_~A~0.offset 12 .cse5)) (select .cse7 (+ c_~A~0.offset 20 .cse5)) c_~bsum~0 (select .cse8 (+ 20 .cse5 c_~B~0.offset)) (select .cse7 (+ c_~A~0.offset 16 .cse5)) (select .cse8 (+ 16 .cse5 c_~B~0.offset)) (select .cse8 (+ 12 .cse5 c_~B~0.offset)) (select .cse9 (+ c_~A~0.offset 8 .cse5)) (select .cse10 (+ 8 .cse5 c_~B~0.offset)) (select .cse11 (+ c_~A~0.offset 4 .cse5)) (select .cse12 (+ c_~A~0.offset .cse5))))) 4294967296)))))))))))) is different from false [2023-05-04 13:09:42,525 INFO L356 Elim1Store]: treesize reduction 42, result has 62.5 percent of original size [2023-05-04 13:09:42,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 122840 treesize of output 40530