/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:16:19,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:16:19,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:16:19,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:16:19,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:16:19,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:16:19,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:16:19,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:16:19,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:16:19,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:16:19,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:16:19,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:16:19,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:16:19,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:16:19,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:16:19,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:16:19,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:16:19,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:16:19,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:16:19,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:16:19,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:16:19,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:16:19,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:16:19,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:16:19,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:16:19,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:16:19,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:16:19,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:16:19,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:16:19,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:16:19,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:16:19,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:16:19,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:16:19,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:16:19,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:16:19,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:16:19,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:16:19,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:16:19,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:16:19,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:16:19,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:16:19,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:16:19,223 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:16:19,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:16:19,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:16:19,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:16:19,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:16:19,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:16:19,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:16:19,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:16:19,225 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:16:19,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:16:19,225 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:16:19,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:16:19,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:16:19,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:16:19,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:16:19,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:16:19,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:16:19,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:16:19,228 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:16:19,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:16:19,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:16:19,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:16:19,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:16:19,445 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:16:19,447 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:16:19,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2023-05-04 06:16:19,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abc403d/90daac45044b41388bd769c1afbea825/FLAGa6c72267d [2023-05-04 06:16:19,908 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:16:19,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2023-05-04 06:16:19,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abc403d/90daac45044b41388bd769c1afbea825/FLAGa6c72267d [2023-05-04 06:16:19,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abc403d/90daac45044b41388bd769c1afbea825 [2023-05-04 06:16:19,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:16:19,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:16:19,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:16:19,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:16:19,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:16:19,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:16:19" (1/1) ... [2023-05-04 06:16:19,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66194972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:19, skipping insertion in model container [2023-05-04 06:16:19,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:16:19" (1/1) ... [2023-05-04 06:16:19,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:16:19,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:16:20,128 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-bad-counter-queue.wvr.c[2428,2441] [2023-05-04 06:16:20,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:16:20,150 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:16:20,178 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-bad-counter-queue.wvr.c[2428,2441] [2023-05-04 06:16:20,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:16:20,196 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:16:20,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20 WrapperNode [2023-05-04 06:16:20,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:16:20,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:16:20,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:16:20,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:16:20,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,241 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-05-04 06:16:20,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:16:20,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:16:20,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:16:20,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:16:20,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:16:20,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:16:20,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:16:20,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:16:20,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (1/1) ... [2023-05-04 06:16:20,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:16:20,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:20,301 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 06:16:20,333 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 06:16:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:16:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:16:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:16:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:16:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:16:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:16:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:16:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:16:20,341 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 06:16:20,446 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:16:20,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:16:20,690 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:16:20,811 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:16:20,811 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 06:16:20,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:16:20 BoogieIcfgContainer [2023-05-04 06:16:20,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:16:20,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:16:20,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:16:20,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:16:20,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:16:19" (1/3) ... [2023-05-04 06:16:20,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a34c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:16:20, skipping insertion in model container [2023-05-04 06:16:20,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:20" (2/3) ... [2023-05-04 06:16:20,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a34c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:16:20, skipping insertion in model container [2023-05-04 06:16:20,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:16:20" (3/3) ... [2023-05-04 06:16:20,824 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2023-05-04 06:16:20,830 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:16:20,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:16:20,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:16:20,836 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:16:20,898 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 06:16:20,927 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:16:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:16:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:20,929 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 06:16:20,957 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 06:16:20,983 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:16:20,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:16:20,998 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;@631b64bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:16:20,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 06:16:21,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:21,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:21,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1766946050, now seen corresponding path program 1 times [2023-05-04 06:16:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:21,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470837686] [2023-05-04 06:16:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:21,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:21,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470837686] [2023-05-04 06:16:21,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470837686] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:16:21,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:16:21,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:16:21,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101554077] [2023-05-04 06:16:21,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:16:21,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:16:21,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:21,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:16:21,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:16:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:21,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 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 06:16:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:16:21,388 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:21,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:21,389 INFO L85 PathProgramCache]: Analyzing trace with hash -879381578, now seen corresponding path program 1 times [2023-05-04 06:16:21,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:21,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964248530] [2023-05-04 06:16:21,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:21,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:21,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964248530] [2023-05-04 06:16:21,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964248530] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:16:21,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:16:21,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 06:16:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862707746] [2023-05-04 06:16:21,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:16:21,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 06:16:21,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:21,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 06:16:21,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 06:16:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:21,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 06:16:21,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:21,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:21,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:16:21,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:21,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:21,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1858300350, now seen corresponding path program 1 times [2023-05-04 06:16:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:21,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663622289] [2023-05-04 06:16:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:21,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:22,029 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 06:16:22,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:22,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663622289] [2023-05-04 06:16:22,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663622289] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:16:22,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:16:22,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 06:16:22,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194926725] [2023-05-04 06:16:22,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:16:22,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:16:22,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:22,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:16:22,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 06:16:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:22,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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 06:16:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:16:22,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:22,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash 768413584, now seen corresponding path program 1 times [2023-05-04 06:16:22,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:22,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956642659] [2023-05-04 06:16:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:22,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:22,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:22,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956642659] [2023-05-04 06:16:22,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956642659] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:22,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618610738] [2023-05-04 06:16:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:22,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:22,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:22,316 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 06:16:22,335 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 06:16:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:22,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:16:22,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:22,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:22,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618610738] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:22,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 06:16:22,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 06:16:22,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645291426] [2023-05-04 06:16:22,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:16:22,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:16:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:16:22,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 06:16:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:22,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,019 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 06:16:23,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 06:16:23,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:23,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:23,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1050667822, now seen corresponding path program 1 times [2023-05-04 06:16:23,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:23,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871865781] [2023-05-04 06:16:23,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:23,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:23,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:23,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871865781] [2023-05-04 06:16:23,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871865781] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:23,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608988147] [2023-05-04 06:16:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:23,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:23,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:23,374 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 06:16:23,393 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 06:16:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:23,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:16:23,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:23,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:23,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608988147] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:23,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 06:16:23,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 06:16:23,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811078960] [2023-05-04 06:16:23,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:16:23,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:16:23,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:23,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:16:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 06:16:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:23,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:23,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:16:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:23,795 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 06:16:23,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:23,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:23,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:23,997 INFO L85 PathProgramCache]: Analyzing trace with hash -63854050, now seen corresponding path program 1 times [2023-05-04 06:16:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:23,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157861296] [2023-05-04 06:16:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:23,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:24,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:24,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157861296] [2023-05-04 06:16:24,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157861296] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:24,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731025349] [2023-05-04 06:16:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:24,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:24,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:24,830 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 06:16:24,849 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 06:16:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:24,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-04 06:16:24,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:24,971 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 06:16:25,029 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:16:25,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:16:25,181 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 21 treesize of output 21 [2023-05-04 06:16:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:25,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:25,412 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_104 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_104) c_~A~0.base) c_~A~0.offset) |c_thread1Thread1of1ForFork0_~tmp~0#1|)) (forall ((v_ArrVal_104 (Array Int Int))) (<= |c_thread1Thread1of1ForFork0_~tmp~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_104) c_~A~0.base) c_~A~0.offset)))) is different from false [2023-05-04 06:16:25,427 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:16:25,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2023-05-04 06:16:25,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 9 [2023-05-04 06:16:25,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:16:25,447 INFO L356 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-05-04 06:16:25,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2023-05-04 06:16:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:25,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731025349] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:25,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:25,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 32 [2023-05-04 06:16:25,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112928466] [2023-05-04 06:16:25,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:25,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-04 06:16:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-04 06:16:25,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=825, Unknown=11, NotChecked=58, Total=992 [2023-05-04 06:16:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:25,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:25,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.28125) internal successors, (169), 32 states have internal predecessors, (169), 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 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:30,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:30,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:30,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 06:16:30,614 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 06:16:30,797 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 06:16:30,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:30,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash 484491874, now seen corresponding path program 2 times [2023-05-04 06:16:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:30,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447154756] [2023-05-04 06:16:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:30,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:30,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447154756] [2023-05-04 06:16:30,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447154756] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:30,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172582280] [2023-05-04 06:16:30,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:16:30,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:30,950 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 06:16:30,976 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 06:16:31,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:16:31,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:31,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 06:16:31,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:31,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:31,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172582280] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:31,238 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:31,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2023-05-04 06:16:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134122506] [2023-05-04 06:16:31,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:31,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-04 06:16:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-04 06:16:31,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2023-05-04 06:16:31,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:31,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:31,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.571428571428571) internal successors, (180), 21 states have internal predecessors, (180), 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 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 06:16:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:31,787 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 06:16:31,956 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 06:16:31,956 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:31,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:31,957 INFO L85 PathProgramCache]: Analyzing trace with hash 445927414, now seen corresponding path program 3 times [2023-05-04 06:16:31,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:31,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040719895] [2023-05-04 06:16:31,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:31,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:32,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040719895] [2023-05-04 06:16:32,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040719895] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:32,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997187070] [2023-05-04 06:16:32,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:16:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:32,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:32,149 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 06:16:32,215 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 06:16:32,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:16:32,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:32,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 06:16:32,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:32,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:32,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997187070] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:32,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:32,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 06:16:32,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421160378] [2023-05-04 06:16:32,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:32,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 06:16:32,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:32,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 06:16:32,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-04 06:16:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:32,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:32,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.208333333333333) internal successors, (173), 24 states have internal predecessors, (173), 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 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:32,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:32,915 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 06:16:33,092 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 06:16:33,093 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:33,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:33,093 INFO L85 PathProgramCache]: Analyzing trace with hash 964157790, now seen corresponding path program 4 times [2023-05-04 06:16:33,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:33,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209890194] [2023-05-04 06:16:33,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:33,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:33,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:33,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209890194] [2023-05-04 06:16:33,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209890194] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:33,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575594526] [2023-05-04 06:16:33,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:16:33,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:33,310 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 06:16:33,311 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 06:16:33,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:16:33,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:33,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 06:16:33,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:33,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:33,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575594526] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:33,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:33,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 06:16:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967483296] [2023-05-04 06:16:33,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:33,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 06:16:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 06:16:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 06:16:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:33,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:33,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.5) internal successors, (221), 34 states have internal predecessors, (221), 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 06:16:33,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:33,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:33,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:34,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 06:16:34,461 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 06:16:34,462 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash -337077840, now seen corresponding path program 5 times [2023-05-04 06:16:34,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:34,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800301472] [2023-05-04 06:16:34,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:16:34,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:34,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800301472] [2023-05-04 06:16:34,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800301472] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:34,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635620574] [2023-05-04 06:16:34,702 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:16:34,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:34,706 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 06:16:34,731 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 06:16:34,793 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-04 06:16:34,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:34,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:16:34,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:16:35,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 06:16:35,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635620574] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:35,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:35,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 10] total 31 [2023-05-04 06:16:35,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593274333] [2023-05-04 06:16:35,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:35,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-04 06:16:35,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:35,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-04 06:16:35,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2023-05-04 06:16:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:35,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:35,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.290322580645161) internal successors, (226), 31 states have internal predecessors, (226), 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 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:35,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:16:36,596 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 06:16:36,798 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 06:16:36,799 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:36,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:36,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1562676124, now seen corresponding path program 6 times [2023-05-04 06:16:36,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:36,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560101338] [2023-05-04 06:16:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:39,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:39,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560101338] [2023-05-04 06:16:39,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560101338] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:39,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243156164] [2023-05-04 06:16:39,708 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:16:39,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:39,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:39,709 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 06:16:39,711 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 06:16:39,803 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-04 06:16:39,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:39,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-04 06:16:39,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:16:40,460 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 [2023-05-04 06:16:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:16:41,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:42,501 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_249 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_249) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 4)))) (+ (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 c_~A~0.offset))))) is different from false [2023-05-04 06:16:42,672 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_249 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_249) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 c_~A~0.offset)) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 4)) |c_thread1Thread1of1ForFork0_~tmp~0#1|))))) is different from false [2023-05-04 06:16:42,718 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:16:42,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 104 treesize of output 150 [2023-05-04 06:16:42,750 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:16:42,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 81 [2023-05-04 06:16:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2023-05-04 06:16:43,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243156164] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:43,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:43,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 33, 33] total 99 [2023-05-04 06:16:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354256579] [2023-05-04 06:16:43,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:43,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-04 06:16:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:43,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-04 06:16:43,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=8981, Unknown=12, NotChecked=382, Total=9702 [2023-05-04 06:16:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:43,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:43,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.04040404040404) internal successors, (301), 99 states have internal predecessors, (301), 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 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:43,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:16:43,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:16:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-04 06:16:50,668 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 06:16:50,854 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 06:16:50,854 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:50,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:50,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1941214546, now seen corresponding path program 7 times [2023-05-04 06:16:50,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:50,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824711606] [2023-05-04 06:16:50,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:50,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 66 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 06:16:51,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:51,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824711606] [2023-05-04 06:16:51,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824711606] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:51,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278391833] [2023-05-04 06:16:51,211 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:16:51,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:51,212 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 06:16:51,237 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 06:16:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:51,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 06:16:51,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 57 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 06:16:51,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:16:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 70 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 06:16:52,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278391833] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:16:52,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:16:52,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-05-04 06:16:52,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278683473] [2023-05-04 06:16:52,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:16:52,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 06:16:52,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:16:52,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 06:16:52,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2023-05-04 06:16:52,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:52,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:16:52,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.7727272727272725) internal successors, (254), 44 states have internal predecessors, (254), 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 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2023-05-04 06:16:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:16:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-04 06:16:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:16:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:16:52,864 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 06:16:53,050 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 06:16:53,051 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:16:53,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:16:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 794867898, now seen corresponding path program 8 times [2023-05-04 06:16:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:16:53,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571012868] [2023-05-04 06:16:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:16:53,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:16:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:16:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:16:57,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:16:57,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571012868] [2023-05-04 06:16:57,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571012868] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:16:57,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077104785] [2023-05-04 06:16:57,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:16:57,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:16:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:57,262 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 06:16:57,263 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 06:16:57,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:16:57,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:16:57,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 185 conjunts are in the unsatisfiable core [2023-05-04 06:16:57,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:16:58,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2023-05-04 06:16:58,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 06:16:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:16:59,209 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 [2023-05-04 06:17:01,455 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:17:01,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2023-05-04 06:17:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:01,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:33,416 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:33,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 101 treesize of output 66 [2023-05-04 06:18:33,434 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:33,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 264 treesize of output 248 [2023-05-04 06:18:33,453 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:33,453 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 216 treesize of output 192 [2023-05-04 06:18:33,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:33,474 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 160 treesize of output 160 [2023-05-04 06:18:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 30 proven. 80 refuted. 16 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:35,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077104785] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:35,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:35,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 60, 59] total 163 [2023-05-04 06:18:35,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886560107] [2023-05-04 06:18:35,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:35,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2023-05-04 06:18:35,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:35,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2023-05-04 06:18:35,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1079, Invalid=25205, Unknown=122, NotChecked=0, Total=26406 [2023-05-04 06:18:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:35,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:35,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 2.478527607361963) internal successors, (404), 163 states have internal predecessors, (404), 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 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:35,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:49,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-04 06:18:49,937 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 06:18:50,121 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 06:18:50,122 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash -450851096, now seen corresponding path program 9 times [2023-05-04 06:18:50,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:50,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405630377] [2023-05-04 06:18:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 68 proven. 104 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 06:18:50,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:50,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405630377] [2023-05-04 06:18:50,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405630377] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:50,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332017068] [2023-05-04 06:18:50,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:18:50,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:50,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:50,569 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 06:18:50,570 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 06:18:50,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-04 06:18:50,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:50,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:18:50,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 75 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 06:18:51,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 114 proven. 58 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 06:18:51,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332017068] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:51,725 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:51,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-04 06:18:51,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261877963] [2023-05-04 06:18:51,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:51,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 06:18:51,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:51,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 06:18:51,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 06:18:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:51,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:51,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.425925925925926) internal successors, (293), 54 states have internal predecessors, (293), 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 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-04 06:18:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:18:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:18:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:52,545 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 06:18:52,739 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 06:18:52,739 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash -789279040, now seen corresponding path program 10 times [2023-05-04 06:18:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:52,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067908613] [2023-05-04 06:18:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 144 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:18:53,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067908613] [2023-05-04 06:18:53,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067908613] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308705887] [2023-05-04 06:18:53,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:18:53,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:53,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:53,268 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 06:18:53,305 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 06:18:53,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:18:53,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:53,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:18:53,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 46 proven. 125 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:18:53,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 75 proven. 96 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:18:54,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308705887] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:54,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:54,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-04 06:18:54,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960311147] [2023-05-04 06:18:54,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:54,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 06:18:54,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:54,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 06:18:54,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 06:18:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:54,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:54,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.777777777777778) internal successors, (312), 54 states have internal predecessors, (312), 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 06:18:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:54,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:54,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:18:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:55,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-04 06:18:55,509 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 06:18:55,509 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash 216751516, now seen corresponding path program 11 times [2023-05-04 06:18:55,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:55,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820465046] [2023-05-04 06:18:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:55,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:59,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820465046] [2023-05-04 06:18:59,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820465046] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:59,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034110229] [2023-05-04 06:18:59,747 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:18:59,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:59,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:59,748 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 06:18:59,750 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 06:18:59,922 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 06:18:59,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:59,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 225 conjunts are in the unsatisfiable core [2023-05-04 06:18:59,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:59,939 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 06:18:59,983 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:18:59,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:19:01,105 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 [2023-05-04 06:19:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:19:03,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:08,597 INFO L356 Elim1Store]: treesize reduction 100, result has 63.1 percent of original size [2023-05-04 06:19:08,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 164 treesize of output 254 [2023-05-04 06:19:08,731 INFO L356 Elim1Store]: treesize reduction 60, result has 72.9 percent of original size [2023-05-04 06:19:08,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 64 treesize of output 179 [2023-05-04 06:19:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 06:19:09,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034110229] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:09,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:09,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 61, 53] total 161 [2023-05-04 06:19:09,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965596882] [2023-05-04 06:19:09,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:09,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-04 06:19:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:09,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-04 06:19:09,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1058, Invalid=24700, Unknown=2, NotChecked=0, Total=25760 [2023-05-04 06:19:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:09,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:09,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 2.4968944099378882) internal successors, (402), 161 states have internal predecessors, (402), 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 06:19:09,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:09,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:09,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:09,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:09,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-05-04 06:19:29,381 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 06:19:29,565 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 06:19:29,565 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:29,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:29,566 INFO L85 PathProgramCache]: Analyzing trace with hash 169968066, now seen corresponding path program 12 times [2023-05-04 06:19:29,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:29,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425209091] [2023-05-04 06:19:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 128 proven. 151 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 06:19:30,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:30,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425209091] [2023-05-04 06:19:30,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425209091] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:30,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883201309] [2023-05-04 06:19:30,098 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:19:30,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:30,109 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 06:19:30,111 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 06:19:30,330 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-04 06:19:30,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:30,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 06:19:30,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 166 proven. 113 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 06:19:31,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 187 proven. 92 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 06:19:31,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883201309] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:31,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:31,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-04 06:19:31,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30866942] [2023-05-04 06:19:31,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:31,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 06:19:31,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:31,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 06:19:31,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=3411, Unknown=0, NotChecked=0, Total=4032 [2023-05-04 06:19:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:31,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:31,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.1875) internal successors, (332), 64 states have internal predecessors, (332), 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 06:19:31,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:31,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-05-04 06:19:31,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:19:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:32,833 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 06:19:33,033 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 06:19:33,033 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:33,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2031226602, now seen corresponding path program 13 times [2023-05-04 06:19:33,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:33,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495499224] [2023-05-04 06:19:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 50 proven. 213 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:33,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:33,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495499224] [2023-05-04 06:19:33,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495499224] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:33,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723278497] [2023-05-04 06:19:33,544 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:19:33,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:33,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:33,546 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 06:19:33,547 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 06:19:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:33,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 06:19:33,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 75 proven. 188 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:34,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 111 proven. 152 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:35,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723278497] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:35,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:35,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-04 06:19:35,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690208388] [2023-05-04 06:19:35,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:35,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 06:19:35,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 06:19:35,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=3411, Unknown=0, NotChecked=0, Total=4032 [2023-05-04 06:19:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:35,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:35,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.546875) internal successors, (355), 64 states have internal predecessors, (355), 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 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:35,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:19:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:35,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:36,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:36,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 06:19:36,202 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1943328910, now seen corresponding path program 14 times [2023-05-04 06:19:36,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:36,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768803586] [2023-05-04 06:19:36,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:19:43,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:43,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768803586] [2023-05-04 06:19:43,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768803586] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:43,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206132924] [2023-05-04 06:19:43,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:19:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:43,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:43,165 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:19:43,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 06:19:43,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:19:43,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:43,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 254 conjunts are in the unsatisfiable core [2023-05-04 06:19:43,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:19:45,208 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 [2023-05-04 06:19:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:19:48,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:55,975 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_580 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_580) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 8))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 12)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset 16 .cse1))))))) is different from false [2023-05-04 06:19:57,120 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:19:57,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 194 treesize of output 489 [2023-05-04 06:19:57,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:19:57,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 77 treesize of output 351 [2023-05-04 06:20:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-04 06:20:04,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206132924] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:20:04,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:20:04,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 67, 57] total 189 [2023-05-04 06:20:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390296516] [2023-05-04 06:20:04,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:20:04,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2023-05-04 06:20:04,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:20:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2023-05-04 06:20:04,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=34443, Unknown=54, NotChecked=372, Total=35532 [2023-05-04 06:20:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:04,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:20:04,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 189 states have internal predecessors, (477), 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 06:20:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:04,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:20:29,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-05-04 06:20:29,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:29,519 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:20:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:20:29,519 INFO L85 PathProgramCache]: Analyzing trace with hash 979789344, now seen corresponding path program 15 times [2023-05-04 06:20:29,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:20:29,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312324921] [2023-05-04 06:20:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:20:29,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:20:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:20:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 158 proven. 204 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 06:20:30,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:20:30,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312324921] [2023-05-04 06:20:30,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312324921] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:20:30,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263878910] [2023-05-04 06:20:30,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:20:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:20:30,071 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:20:30,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 06:20:30,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-04 06:20:30,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:20:30,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 06:20:30,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:20:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 205 proven. 157 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 06:20:31,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:20:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 230 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 06:20:32,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263878910] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:20:32,044 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:20:32,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-04 06:20:32,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443939635] [2023-05-04 06:20:32,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:20:32,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-04 06:20:32,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:20:32,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-04 06:20:32,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=4590, Unknown=0, NotChecked=0, Total=5402 [2023-05-04 06:20:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:32,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:20:32,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.013513513513513) internal successors, (371), 74 states have internal predecessors, (371), 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 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:32,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:20:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:20:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:20:33,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-04 06:20:34,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:34,109 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:20:34,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:20:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1287576584, now seen corresponding path program 16 times [2023-05-04 06:20:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:20:34,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045552321] [2023-05-04 06:20:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:20:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:20:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:20:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 80 proven. 290 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:20:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:20:34,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045552321] [2023-05-04 06:20:34,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045552321] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:20:34,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479407455] [2023-05-04 06:20:34,742 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:20:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:20:34,743 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:20:34,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-04 06:20:34,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:20:34,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:20:34,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 06:20:34,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:20:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 111 proven. 259 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:20:35,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:20:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 154 proven. 216 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:20:36,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479407455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:20:36,249 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:20:36,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-04 06:20:36,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848972789] [2023-05-04 06:20:36,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:20:36,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-04 06:20:36,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:20:36,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-04 06:20:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=4590, Unknown=0, NotChecked=0, Total=5402 [2023-05-04 06:20:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:36,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:20:36,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.324324324324325) internal successors, (394), 74 states have internal predecessors, (394), 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 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:36,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:20:36,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:20:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:20:37,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-04 06:20:37,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:37,995 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:20:37,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:20:37,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1726928684, now seen corresponding path program 17 times [2023-05-04 06:20:37,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:20:37,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868574498] [2023-05-04 06:20:37,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:20:37,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:20:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:20:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:20:47,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:20:47,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868574498] [2023-05-04 06:20:47,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868574498] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:20:47,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927446248] [2023-05-04 06:20:47,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:20:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:20:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:20:47,690 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:20:47,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-04 06:20:47,903 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-04 06:20:47,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:20:47,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 281 conjunts are in the unsatisfiable core [2023-05-04 06:20:47,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:20:47,922 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 06:20:48,048 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:20:48,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:20:49,051 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 [2023-05-04 06:20:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 06:20:54,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:21:04,043 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_726 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_726) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 12))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~counter~0 (select .cse0 (+ c_~A~0.offset 16 .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 24))))))) is different from false [2023-05-04 06:21:04,051 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_726 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_726) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 16)))) (+ (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 12)))))) is different from false [2023-05-04 06:21:05,009 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:21:05,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 224 treesize of output 646 [2023-05-04 06:21:05,449 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:21:05,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 90 treesize of output 485 [2023-05-04 06:21:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 154 trivial. 6 not checked. [2023-05-04 06:21:25,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927446248] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:21:25,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:21:25,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 65, 65] total 205 [2023-05-04 06:21:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295679050] [2023-05-04 06:21:25,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:21:25,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2023-05-04 06:21:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:21:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2023-05-04 06:21:25,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=40212, Unknown=35, NotChecked=806, Total=41820 [2023-05-04 06:21:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:25,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:21:25,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 2.370731707317073) internal successors, (486), 205 states have internal predecessors, (486), 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 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:25,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:21:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:21:56,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-04 06:21:56,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-05-04 06:21:56,820 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:21:56,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:21:56,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1569495522, now seen corresponding path program 18 times [2023-05-04 06:21:56,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:21:56,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976602998] [2023-05-04 06:21:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:21:56,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:21:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:21:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 217 proven. 266 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 06:21:57,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:21:57,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976602998] [2023-05-04 06:21:57,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976602998] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:21:57,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448976574] [2023-05-04 06:21:57,508 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:21:57,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:21:57,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:21:57,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:21:57,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-04 06:21:57,795 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-04 06:21:57,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:21:57,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-04 06:21:57,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:21:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 94 proven. 215 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-05-04 06:21:58,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:21:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 57 proven. 240 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-05-04 06:21:59,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448976574] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:21:59,343 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:21:59,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 24] total 85 [2023-05-04 06:21:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291521425] [2023-05-04 06:21:59,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:21:59,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-05-04 06:21:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:21:59,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-05-04 06:21:59,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=6703, Unknown=0, NotChecked=0, Total=7140 [2023-05-04 06:21:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:59,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:21:59,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.952941176470588) internal successors, (421), 85 states have internal predecessors, (421), 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 06:21:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:21:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:21:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:22:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:22:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:22:03,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-04 06:22:04,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-05-04 06:22:04,180 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:22:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:22:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash 612174798, now seen corresponding path program 19 times [2023-05-04 06:22:04,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:22:04,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286729958] [2023-05-04 06:22:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:22:04,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:22:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:22:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 117 proven. 383 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:22:04,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:22:04,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286729958] [2023-05-04 06:22:04,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286729958] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:22:04,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806890328] [2023-05-04 06:22:04,957 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:22:04,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:22:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:22:04,958 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:22:04,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-04 06:22:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:22:05,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-04 06:22:05,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:22:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 154 proven. 346 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:22:06,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:22:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 204 proven. 296 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 06:22:07,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806890328] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:22:07,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:22:07,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2023-05-04 06:22:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220691529] [2023-05-04 06:22:07,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:22:07,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-05-04 06:22:07,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:22:07,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-05-04 06:22:07,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1029, Invalid=5943, Unknown=0, NotChecked=0, Total=6972 [2023-05-04 06:22:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:07,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:22:07,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.2023809523809526) internal successors, (437), 84 states have internal predecessors, (437), 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 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:22:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:22:07,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:22:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:22:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:22:08,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-05-04 06:22:09,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:22:09,073 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:22:09,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:22:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -369534934, now seen corresponding path program 20 times [2023-05-04 06:22:09,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:22:09,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777008391] [2023-05-04 06:22:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:22:09,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:22:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:22:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:22:18,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:22:18,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777008391] [2023-05-04 06:22:18,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777008391] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:22:18,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434985249] [2023-05-04 06:22:18,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:22:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:22:18,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:22:18,610 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:22:18,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-05-04 06:22:18,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:22:18,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:22:18,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 334 conjunts are in the unsatisfiable core [2023-05-04 06:22:18,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:22:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:22:21,328 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 [2023-05-04 06:22:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 554 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:22:29,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:22:46,043 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_883 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_883) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 28)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 16))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 20)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 16)) (select .cse0 (+ c_~A~0.offset .cse1 28))))))) is different from false [2023-05-04 06:22:46,056 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_883 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_883) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 20)) |c_thread1Thread1of1ForFork0_~tmp~0#1| (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 16)) (select .cse0 (+ c_~A~0.offset .cse1 28)))) (+ (select .cse0 (+ c_~A~0.offset 28)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 16)))))) is different from false [2023-05-04 06:22:46,801 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:22:46,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 254 treesize of output 825 [2023-05-04 06:22:47,690 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:22:47,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 103 treesize of output 641 [2023-05-04 06:23:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 204 trivial. 14 not checked. [2023-05-04 06:23:37,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434985249] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:23:37,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:23:37,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 87, 73] total 243 [2023-05-04 06:23:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508025763] [2023-05-04 06:23:37,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:23:37,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 243 states [2023-05-04 06:23:37,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:23:37,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2023-05-04 06:23:37,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=56934, Unknown=67, NotChecked=958, Total=58806 [2023-05-04 06:23:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:23:37,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:23:37,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 243 states, 243 states have (on average 2.3703703703703702) internal successors, (576), 243 states have internal predecessors, (576), 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 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:23:37,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:23:37,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:24:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:24:21,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-05-04 06:24:21,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:24:21,994 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:24:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:24:21,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1429954728, now seen corresponding path program 21 times [2023-05-04 06:24:21,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:24:21,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448678961] [2023-05-04 06:24:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:24:21,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:24:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:24:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 288 proven. 334 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 06:24:22,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:24:22,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448678961] [2023-05-04 06:24:22,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448678961] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:24:22,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532726473] [2023-05-04 06:24:22,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:24:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:24:22,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:24:22,962 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:24:22,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-05-04 06:24:23,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2023-05-04 06:24:23,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:24:23,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 06:24:23,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:24:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 353 proven. 269 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 06:24:24,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:24:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 386 proven. 236 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 06:24:25,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532726473] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:24:25,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:24:25,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2023-05-04 06:24:25,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458491942] [2023-05-04 06:24:25,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:24:25,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-04 06:24:25,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:24:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-04 06:24:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=7470, Unknown=0, NotChecked=0, Total=8742 [2023-05-04 06:24:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:25,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:24:25,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.776595744680851) internal successors, (449), 94 states have internal predecessors, (449), 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 06:24:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:24:25,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:24:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:24:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:24:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:24:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:24:27,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-05-04 06:24:27,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-05-04 06:24:28,000 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:24:28,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:24:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash 874486576, now seen corresponding path program 22 times [2023-05-04 06:24:28,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:24:28,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086448932] [2023-05-04 06:24:28,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:24:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:24:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:24:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 161 proven. 484 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:24:28,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:24:28,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086448932] [2023-05-04 06:24:28,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086448932] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:24:28,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031220515] [2023-05-04 06:24:28,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:24:28,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:24:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:24:28,950 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:24:28,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-05-04 06:24:29,081 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:24:29,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:24:29,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 06:24:29,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:24:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 204 proven. 441 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:24:30,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:24:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 261 proven. 384 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:24:31,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031220515] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:24:31,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:24:31,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2023-05-04 06:24:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371334826] [2023-05-04 06:24:31,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:24:31,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-04 06:24:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:24:31,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-04 06:24:31,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=7470, Unknown=0, NotChecked=0, Total=8742 [2023-05-04 06:24:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:31,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:24:31,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.0638297872340425) internal successors, (476), 94 states have internal predecessors, (476), 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 06:24:31,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:31,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:31,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:31,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:31,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:24:31,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:33,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:24:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:24:33,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-05-04 06:24:33,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-05-04 06:24:33,833 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:24:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:24:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash 324490764, now seen corresponding path program 23 times [2023-05-04 06:24:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:24:33,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353121235] [2023-05-04 06:24:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:24:33,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:24:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:24:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 9 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:24:48,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:24:48,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353121235] [2023-05-04 06:24:48,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353121235] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:24:48,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761753156] [2023-05-04 06:24:48,749 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:24:48,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:24:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:24:48,751 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:24:48,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-05-04 06:24:49,039 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-04 06:24:49,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:24:49,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 372 conjunts are in the unsatisfiable core [2023-05-04 06:24:49,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:24:49,062 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 06:24:49,213 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:24:49,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:24:51,024 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 18 treesize of output 20 [2023-05-04 06:25:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,055 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:25:08,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:25:08,087 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:25:08,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 128 treesize of output 50 [2023-05-04 06:25:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 631 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-04 06:25:08,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:25:35,056 INFO L356 Elim1Store]: treesize reduction 360, result has 59.2 percent of original size [2023-05-04 06:25:35,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 284 treesize of output 666 [2023-05-04 06:25:36,233 INFO L356 Elim1Store]: treesize reduction 280, result has 64.7 percent of original size [2023-05-04 06:25:36,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 116 treesize of output 539 [2023-05-04 06:25:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-05-04 06:25:39,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761753156] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:25:39,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:25:39,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 93, 85] total 272 [2023-05-04 06:25:39,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277057751] [2023-05-04 06:25:39,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:25:39,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 272 states [2023-05-04 06:25:39,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:25:39,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 272 interpolants. [2023-05-04 06:25:39,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2265, Invalid=71446, Unknown=1, NotChecked=0, Total=73712 [2023-05-04 06:25:39,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:25:39,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:25:39,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 272 states, 272 states have (on average 2.202205882352941) internal successors, (599), 272 states have internal predecessors, (599), 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 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:25:39,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:25:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:27:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2023-05-04 06:27:21,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-05-04 06:27:21,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-05-04 06:27:21,461 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:27:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:27:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1441864426, now seen corresponding path program 24 times [2023-05-04 06:27:21,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:27:21,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581638128] [2023-05-04 06:27:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:27:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:27:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:27:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 466 proven. 411 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 06:27:22,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:27:22,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581638128] [2023-05-04 06:27:22,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581638128] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:27:22,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502947099] [2023-05-04 06:27:22,557 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:27:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:27:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:27:22,561 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:27:22,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-05-04 06:27:23,051 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-05-04 06:27:23,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:27:23,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 06:27:23,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:27:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 540 proven. 337 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 06:27:24,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:27:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 577 proven. 300 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 06:27:25,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502947099] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:27:25,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:27:25,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 104 [2023-05-04 06:27:25,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29685253] [2023-05-04 06:27:25,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:27:25,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-05-04 06:27:25,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:27:25,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-05-04 06:27:25,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1541, Invalid=9171, Unknown=0, NotChecked=0, Total=10712 [2023-05-04 06:27:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:25,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:27:25,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 4.6923076923076925) internal successors, (488), 104 states have internal predecessors, (488), 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 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:27:25,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2023-05-04 06:27:25,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:27:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:27:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2023-05-04 06:27:28,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:27:28,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-05-04 06:27:28,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-05-04 06:27:28,975 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:27:28,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:27:28,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1980491910, now seen corresponding path program 25 times [2023-05-04 06:27:28,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:27:28,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269269489] [2023-05-04 06:27:28,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:27:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:27:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:27:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 212 proven. 601 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:27:29,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:27:29,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269269489] [2023-05-04 06:27:29,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269269489] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:27:29,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042665403] [2023-05-04 06:27:29,891 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:27:29,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:27:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:27:29,892 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:27:29,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-05-04 06:27:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:27:30,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 06:27:30,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:27:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 261 proven. 552 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:27:31,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:27:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 325 proven. 488 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 06:27:32,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042665403] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:27:32,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:27:32,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 104 [2023-05-04 06:27:32,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529844676] [2023-05-04 06:27:32,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:27:32,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-05-04 06:27:32,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:27:32,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-05-04 06:27:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1541, Invalid=9171, Unknown=0, NotChecked=0, Total=10712 [2023-05-04 06:27:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:32,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:27:32,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 4.990384615384615) internal successors, (519), 104 states have internal predecessors, (519), 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 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:27:32,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:27:32,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2023-05-04 06:27:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:27:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:27:34,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-05-04 06:27:35,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:27:35,018 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:27:35,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:27:35,019 INFO L85 PathProgramCache]: Analyzing trace with hash 963496674, now seen corresponding path program 26 times [2023-05-04 06:27:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:27:35,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838254108] [2023-05-04 06:27:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:27:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:27:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:27:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 885 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:27:49,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:27:49,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838254108] [2023-05-04 06:27:49,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838254108] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:27:49,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153851033] [2023-05-04 06:27:49,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:27:49,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:27:49,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:27:49,683 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:27:49,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-05-04 06:27:49,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:27:49,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:27:49,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 414 conjunts are in the unsatisfiable core [2023-05-04 06:27:49,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:27:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:27:53,835 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 [2023-05-04 06:28:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 883 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:28:08,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:28:37,237 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1234 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1234) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 36)) (select .cse0 (+ c_~A~0.offset 32)) (select .cse0 (+ c_~A~0.offset 28)) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 c_~A~0.offset)) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 28)) (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 20)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset 16 .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 36)) (select .cse0 (+ c_~A~0.offset 32 .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 12))))))) is different from false [2023-05-04 06:28:38,586 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1234 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1234) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 36)) (select .cse0 (+ c_~A~0.offset 32)) (select .cse0 (+ c_~A~0.offset 28)) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 c_~A~0.offset)) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset 32 .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 16)) |c_thread1Thread1of1ForFork0_~tmp~0#1| (select .cse0 (+ c_~A~0.offset .cse1 28)) (select .cse0 (+ c_~A~0.offset .cse1 36)) (select .cse0 (+ c_~A~0.offset .cse1 4))))))) is different from false [2023-05-04 06:28:40,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:28:40,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 314 treesize of output 1249 [2023-05-04 06:28:42,733 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:28:42,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 129 treesize of output 1019 Received shutdown request... [2023-05-04 06:30:31,789 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 06:30:31,791 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 06:30:31,798 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:30:31,798 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:30:31,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-05-04 06:30:31,825 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:30:32,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:32,001 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. [2023-05-04 06:30:32,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 06:30:32,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 06:30:32,012 INFO L444 BasicCegarLoop]: Path program histogram: [26, 1, 1, 1, 1, 1] [2023-05-04 06:30:32,014 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 06:30:32,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 06:30:32,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 06:30:32 BasicIcfg [2023-05-04 06:30:32,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 06:30:32,018 INFO L158 Benchmark]: Toolchain (without parser) took 852087.08ms. Allocated memory was 198.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 167.9MB in the beginning and 596.2MB in the end (delta: -428.3MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-05-04 06:30:32,018 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:30:32,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.11ms. Allocated memory was 198.2MB in the beginning and 281.0MB in the end (delta: 82.8MB). Free memory was 167.8MB in the beginning and 248.4MB in the end (delta: -80.7MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB. [2023-05-04 06:30:32,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 281.0MB. Free memory was 248.4MB in the beginning and 246.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:30:32,019 INFO L158 Benchmark]: Boogie Preprocessor took 29.27ms. Allocated memory is still 281.0MB. Free memory was 246.5MB in the beginning and 244.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:30:32,019 INFO L158 Benchmark]: RCFGBuilder took 541.45ms. Allocated memory is still 281.0MB. Free memory was 244.7MB in the beginning and 218.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-04 06:30:32,019 INFO L158 Benchmark]: TraceAbstraction took 851199.88ms. Allocated memory was 281.0MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 217.4MB in the beginning and 596.2MB in the end (delta: -378.8MB). Peak memory consumption was 986.3MB. Max. memory is 8.0GB. [2023-05-04 06:30:32,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 264.11ms. Allocated memory was 198.2MB in the beginning and 281.0MB in the end (delta: 82.8MB). Free memory was 167.8MB in the beginning and 248.4MB in the end (delta: -80.7MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 281.0MB. Free memory was 248.4MB in the beginning and 246.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.27ms. Allocated memory is still 281.0MB. Free memory was 246.5MB in the beginning and 244.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 541.45ms. Allocated memory is still 281.0MB. Free memory was 244.7MB in the beginning and 218.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 851199.88ms. Allocated memory was 281.0MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 217.4MB in the beginning and 596.2MB in the end (delta: -378.8MB). Peak memory consumption was 986.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9414, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 3804, dependent conditional: 3791, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5701, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 91, dependent conditional: 78, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5701, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 91, dependent conditional: 78, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 1401, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 741, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 741, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 839, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 839, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 305, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 281, dependent conditional: 229, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7102, independent: 4852, independent conditional: 0, independent unconditional: 4852, dependent: 1411, dependent conditional: 673, dependent unconditional: 738, unknown: 839, unknown conditional: 68, unknown unconditional: 771] , Statistics on independence cache: Total cache size (in pairs): 839, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 81, Negative conditional cache size: 68, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 660, Maximal queried relation: 28, Independence queries for same thread: 3713 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 216, Number of trivial persistent sets: 151, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 947, independent: 934, independent conditional: 0, independent unconditional: 934, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9414, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 3804, dependent conditional: 3791, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5701, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 91, dependent conditional: 78, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5701, independent: 5610, independent conditional: 4676, independent unconditional: 934, dependent: 91, dependent conditional: 78, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 1401, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 741, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7102, independent: 5610, independent conditional: 0, independent unconditional: 5610, dependent: 1492, dependent conditional: 741, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 839, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 839, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 81, dependent conditional: 68, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 305, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 281, dependent conditional: 229, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7102, independent: 4852, independent conditional: 0, independent unconditional: 4852, dependent: 1411, dependent conditional: 673, dependent unconditional: 738, unknown: 839, unknown conditional: 68, unknown unconditional: 771] , Statistics on independence cache: Total cache size (in pairs): 839, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 81, Negative conditional cache size: 68, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 660, Maximal queried relation: 28, Independence queries for same thread: 3713 - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 851.0s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 26, EmptinessCheckTime: 273.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1912, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 388.9s InterpolantComputationTime, 10020 NumberOfCodeBlocks, 9925 NumberOfCodeBlocksAsserted, 157 NumberOfCheckSat, 14823 ConstructedInterpolants, 190 QuantifiedInterpolants, 164299 SizeOfPredicates, 1392 NumberOfNonLiveVariables, 13938 ConjunctsInSsa, 2298 ConjunctsInUnsatCore, 84 InterpolantComputations, 5 PerfectInterpolantSequences, 9955/25615 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown