/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 17:28:44,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 17:28:44,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 17:28:44,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 17:28:44,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 17:28:44,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 17:28:44,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 17:28:45,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 17:28:45,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 17:28:45,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 17:28:45,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 17:28:45,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 17:28:45,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 17:28:45,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 17:28:45,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 17:28:45,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 17:28:45,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 17:28:45,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 17:28:45,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 17:28:45,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 17:28:45,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 17:28:45,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 17:28:45,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 17:28:45,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 17:28:45,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 17:28:45,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 17:28:45,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 17:28:45,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 17:28:45,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 17:28:45,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 17:28:45,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 17:28:45,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 17:28:45,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 17:28:45,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 17:28:45,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 17:28:45,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 17:28:45,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 17:28:45,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 17:28:45,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 17:28:45,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 17:28:45,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 17:28:45,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 17:28:45,073 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 17:28:45,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 17:28:45,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 17:28:45,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 17:28:45,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 17:28:45,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 17:28:45,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 17:28:45,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 17:28:45,075 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 17:28:45,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 17:28:45,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 17:28:45,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 17:28:45,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:28:45,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 17:28:45,078 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 17:28:45,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 17:28:45,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 17:28:45,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 17:28:45,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 17:28:45,079 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 17:28:45,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 17:28:45,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 17:28:45,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 17:28:45,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 17:28:45,337 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 17:28:45,338 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 17:28:45,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2023-05-20 17:28:45,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe1eb6b8/ae889955c5814bcea47a451dc2c13ca0/FLAG92928e77f [2023-05-20 17:28:45,702 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 17:28:45,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2023-05-20 17:28:45,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe1eb6b8/ae889955c5814bcea47a451dc2c13ca0/FLAG92928e77f [2023-05-20 17:28:46,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe1eb6b8/ae889955c5814bcea47a451dc2c13ca0 [2023-05-20 17:28:46,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 17:28:46,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 17:28:46,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 17:28:46,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 17:28:46,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 17:28:46,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca8f32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46, skipping insertion in model container [2023-05-20 17:28:46,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 17:28:46,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 17:28:46,324 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-min-max-inc-dec.wvr.c[3271,3284] [2023-05-20 17:28:46,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:28:46,338 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 17:28:46,366 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-min-max-inc-dec.wvr.c[3271,3284] [2023-05-20 17:28:46,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:28:46,381 INFO L208 MainTranslator]: Completed translation [2023-05-20 17:28:46,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46 WrapperNode [2023-05-20 17:28:46,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 17:28:46,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 17:28:46,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 17:28:46,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 17:28:46,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,429 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 174 [2023-05-20 17:28:46,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 17:28:46,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 17:28:46,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 17:28:46,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 17:28:46,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 17:28:46,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 17:28:46,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 17:28:46,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 17:28:46,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (1/1) ... [2023-05-20 17:28:46,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:28:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:28:46,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 17:28:46,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 17:28:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 17:28:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 17:28:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 17:28:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 17:28:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 17:28:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-20 17:28:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 17:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 17:28:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 17:28:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 17:28:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 17:28:46,566 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 17:28:46,654 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 17:28:46,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 17:28:47,011 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 17:28:47,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 17:28:47,119 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 17:28:47,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:28:47 BoogieIcfgContainer [2023-05-20 17:28:47,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 17:28:47,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 17:28:47,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 17:28:47,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 17:28:47,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:28:46" (1/3) ... [2023-05-20 17:28:47,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d560e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:28:47, skipping insertion in model container [2023-05-20 17:28:47,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:28:46" (2/3) ... [2023-05-20 17:28:47,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d560e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:28:47, skipping insertion in model container [2023-05-20 17:28:47,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:28:47" (3/3) ... [2023-05-20 17:28:47,130 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2023-05-20 17:28:47,137 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 17:28:47,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 17:28:47,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 17:28:47,147 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 17:28:47,253 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-05-20 17:28:47,291 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:28:47,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 17:28:47,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:28:47,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 17:28:47,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 17:28:47,344 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 17:28:47,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 17:28:47,371 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;@27404b44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:28:47,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-05-20 17:28:47,831 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 3 more)] === [2023-05-20 17:28:47,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash -629778225, now seen corresponding path program 1 times [2023-05-20 17:28:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:47,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987809456] [2023-05-20 17:28:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:47,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 17:28:48,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:48,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987809456] [2023-05-20 17:28:48,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987809456] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:48,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:28:48,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 17:28:48,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898091751] [2023-05-20 17:28:48,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:48,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 17:28:48,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:48,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 17:28:48,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 17:28:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:48,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 17:28:48,309 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 3 more)] === [2023-05-20 17:28:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:48,311 INFO L85 PathProgramCache]: Analyzing trace with hash -665050375, now seen corresponding path program 1 times [2023-05-20 17:28:48,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:48,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864935882] [2023-05-20 17:28:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:48,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 17:28:48,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:48,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864935882] [2023-05-20 17:28:48,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864935882] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:48,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:28:48,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:28:48,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737793753] [2023-05-20 17:28:48,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:48,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:28:48,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:48,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:28:48,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:28:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:48,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:48,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:48,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 17:28:48,938 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 3 more)] === [2023-05-20 17:28:48,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash -158311765, now seen corresponding path program 1 times [2023-05-20 17:28:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:48,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197782565] [2023-05-20 17:28:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 17:28:49,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:49,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197782565] [2023-05-20 17:28:49,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197782565] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:49,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:28:49,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:28:49,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410324625] [2023-05-20 17:28:49,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:49,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:28:49,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:28:49,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:28:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:49,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:49,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 17:28:49,330 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 3 more)] === [2023-05-20 17:28:49,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:49,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1061400985, now seen corresponding path program 1 times [2023-05-20 17:28:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:49,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637220673] [2023-05-20 17:28:49,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 17:28:49,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:49,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637220673] [2023-05-20 17:28:49,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637220673] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:49,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:28:49,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:28:49,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70506236] [2023-05-20 17:28:49,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:49,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:28:49,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:49,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:28:49,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:28:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:49,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 17:28:49,637 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 3 more)] === [2023-05-20 17:28:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:49,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1294084047, now seen corresponding path program 1 times [2023-05-20 17:28:49,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:49,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795018746] [2023-05-20 17:28:49,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:49,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-20 17:28:49,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:49,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795018746] [2023-05-20 17:28:49,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795018746] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:49,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:28:49,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 17:28:49,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458691847] [2023-05-20 17:28:49,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:49,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:28:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:49,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:28:49,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 17:28:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:49,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:49,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:49,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:49,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:28:50,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 17:28:50,050 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 3 more)] === [2023-05-20 17:28:50,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:50,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2094180741, now seen corresponding path program 1 times [2023-05-20 17:28:50,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:50,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124305650] [2023-05-20 17:28:50,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:50,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 17:28:50,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:50,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124305650] [2023-05-20 17:28:50,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124305650] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:28:50,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956398770] [2023-05-20 17:28:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:28:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:28:50,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:28:50,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 17:28:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:50,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:28:50,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:28:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 17:28:51,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:28:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 17:28:51,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956398770] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:28:51,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:28:51,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:28:51,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488459545] [2023-05-20 17:28:51,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:28:51,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:28:51,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:51,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:28:51,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:28:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:51,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:51,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.791666666666666) internal successors, (307), 24 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:51,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:51,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:28:51,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:28:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:28:51,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 17:28:51,857 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,SelfDestructingSolverStorable5 [2023-05-20 17:28:51,857 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 3 more)] === [2023-05-20 17:28:51,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:28:51,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1730875633, now seen corresponding path program 2 times [2023-05-20 17:28:51,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:28:51,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542343246] [2023-05-20 17:28:51,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:28:51,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:28:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:28:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 17:28:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:28:52,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542343246] [2023-05-20 17:28:52,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542343246] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:28:52,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856570471] [2023-05-20 17:28:52,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:28:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:28:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:28:52,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:28:52,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 17:28:52,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 17:28:52,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:28:52,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 17:28:52,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:28:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:28:52,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:28:52,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 17:28:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 17:28:52,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 17:28:52,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856570471] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:28:52,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 17:28:52,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 23 [2023-05-20 17:28:52,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793658916] [2023-05-20 17:28:52,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:28:52,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 17:28:52,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:28:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 17:28:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2023-05-20 17:28:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:52,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:28:52,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 14 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:28:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.