/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 18:00:38,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 18:00:38,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 18:00:38,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 18:00:38,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 18:00:38,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 18:00:38,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 18:00:38,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 18:00:38,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 18:00:38,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 18:00:38,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 18:00:38,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 18:00:38,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 18:00:38,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 18:00:38,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 18:00:38,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 18:00:38,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 18:00:38,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 18:00:38,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 18:00:38,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 18:00:38,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 18:00:38,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 18:00:38,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 18:00:38,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 18:00:38,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 18:00:38,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 18:00:38,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 18:00:38,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 18:00:38,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 18:00:38,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 18:00:38,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 18:00:38,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 18:00:38,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 18:00:38,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 18:00:38,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 18:00:38,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 18:00:38,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 18:00:38,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 18:00:38,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 18:00:38,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 18:00:38,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 18:00:38,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 18:00:38,198 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 18:00:38,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 18:00:38,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 18:00:38,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 18:00:38,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 18:00:38,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 18:00:38,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 18:00:38,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 18:00:38,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 18:00:38,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 18:00:38,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 18:00:38,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 18:00:38,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 18:00:38,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 18:00:38,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 18:00:38,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 18:00:38,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 18:00:38,419 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 18:00:38,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-20 18:00:38,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f32c6a4/413c76e46ae5470b9b4979b399348f75/FLAGe4d759942 [2023-05-20 18:00:38,842 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 18:00:38,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-20 18:00:38,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f32c6a4/413c76e46ae5470b9b4979b399348f75/FLAGe4d759942 [2023-05-20 18:00:38,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f32c6a4/413c76e46ae5470b9b4979b399348f75 [2023-05-20 18:00:38,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 18:00:38,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 18:00:38,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 18:00:38,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 18:00:38,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 18:00:38,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:00:38" (1/1) ... [2023-05-20 18:00:38,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cdf18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:38, skipping insertion in model container [2023-05-20 18:00:38,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:00:38" (1/1) ... [2023-05-20 18:00:38,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 18:00:38,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 18:00:39,084 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-two-queue.wvr.c[2987,3000] [2023-05-20 18:00:39,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 18:00:39,107 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 18:00:39,144 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-two-queue.wvr.c[2987,3000] [2023-05-20 18:00:39,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 18:00:39,161 INFO L208 MainTranslator]: Completed translation [2023-05-20 18:00:39,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39 WrapperNode [2023-05-20 18:00:39,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 18:00:39,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 18:00:39,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 18:00:39,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 18:00:39,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,215 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2023-05-20 18:00:39,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 18:00:39,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 18:00:39,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 18:00:39,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 18:00:39,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 18:00:39,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 18:00:39,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 18:00:39,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 18:00:39,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (1/1) ... [2023-05-20 18:00:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 18:00:39,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:39,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 18:00:39,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 18:00:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 18:00:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 18:00:39,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 18:00:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 18:00:39,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 18:00:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 18:00:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 18:00:39,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 18:00:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 18:00:39,305 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 18:00:39,394 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 18:00:39,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 18:00:39,695 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 18:00:39,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 18:00:39,848 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 18:00:39,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:00:39 BoogieIcfgContainer [2023-05-20 18:00:39,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 18:00:39,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 18:00:39,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 18:00:39,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 18:00:39,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:00:38" (1/3) ... [2023-05-20 18:00:39,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317afea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:00:39, skipping insertion in model container [2023-05-20 18:00:39,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:00:39" (2/3) ... [2023-05-20 18:00:39,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317afea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:00:39, skipping insertion in model container [2023-05-20 18:00:39,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:00:39" (3/3) ... [2023-05-20 18:00:39,863 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-05-20 18:00:39,873 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 18:00:39,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 18:00:39,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 18:00:39,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 18:00:39,965 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 18:00:40,011 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 18:00:40,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 18:00:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:40,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 18:00:40,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 18:00:40,059 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 18:00:40,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 18:00:40,088 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;@13fc990a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 18:00:40,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 18:00:40,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:40,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:40,284 INFO L85 PathProgramCache]: Analyzing trace with hash 358637786, now seen corresponding path program 1 times [2023-05-20 18:00:40,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:40,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349234243] [2023-05-20 18:00:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 18:00:40,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:40,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349234243] [2023-05-20 18:00:40,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349234243] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:40,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:40,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 18:00:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348990982] [2023-05-20 18:00:40,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:40,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 18:00:40,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:40,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 18:00:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 18:00:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:40,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:40,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:40,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:40,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 18:00:40,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:40,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:40,698 INFO L85 PathProgramCache]: Analyzing trace with hash 455818695, now seen corresponding path program 1 times [2023-05-20 18:00:40,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:40,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113626779] [2023-05-20 18:00:40,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:40,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:00:41,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:41,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113626779] [2023-05-20 18:00:41,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113626779] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:41,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:41,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 18:00:41,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998468729] [2023-05-20 18:00:41,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:41,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 18:00:41,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 18:00:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-20 18:00:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:41,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:41,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:41,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 18:00:41,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:41,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash -591710895, now seen corresponding path program 1 times [2023-05-20 18:00:41,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:41,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038052405] [2023-05-20 18:00:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:00:41,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:41,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038052405] [2023-05-20 18:00:41,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038052405] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:41,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:41,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 18:00:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658586307] [2023-05-20 18:00:41,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:41,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 18:00:41,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:41,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 18:00:41,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 18:00:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:41,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:41,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:41,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:41,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 18:00:41,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:41,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1469171245, now seen corresponding path program 1 times [2023-05-20 18:00:41,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:41,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250241737] [2023-05-20 18:00:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 18:00:41,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:41,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250241737] [2023-05-20 18:00:41,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250241737] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:41,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:41,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 18:00:41,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627436269] [2023-05-20 18:00:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:41,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 18:00:41,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 18:00:41,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 18:00:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:42,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 18:00:42,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1428499865, now seen corresponding path program 1 times [2023-05-20 18:00:42,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:42,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802254981] [2023-05-20 18:00:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:42,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 18:00:42,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:42,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802254981] [2023-05-20 18:00:42,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802254981] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:42,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:42,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 18:00:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582612955] [2023-05-20 18:00:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:42,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 18:00:42,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 18:00:42,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 18:00:42,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:42,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:42,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:42,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:42,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 18:00:42,319 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:42,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1513829014, now seen corresponding path program 1 times [2023-05-20 18:00:42,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:42,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984336874] [2023-05-20 18:00:42,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 18:00:42,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:42,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984336874] [2023-05-20 18:00:42,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984336874] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:42,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:42,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 18:00:42,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737790896] [2023-05-20 18:00:42,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:42,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 18:00:42,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 18:00:42,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 18:00:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:42,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:42,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 18:00:42,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:42,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:42,699 INFO L85 PathProgramCache]: Analyzing trace with hash 538849716, now seen corresponding path program 2 times [2023-05-20 18:00:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:42,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149722243] [2023-05-20 18:00:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 18:00:42,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:42,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149722243] [2023-05-20 18:00:42,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149722243] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:00:42,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135383000] [2023-05-20 18:00:42,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 18:00:42,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:42,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:42,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:00:43,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 18:00:43,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 18:00:43,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:00:43,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 18:00:43,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:00:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 18:00:43,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:00:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 18:00:43,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135383000] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:00:43,741 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:00:43,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 18:00:43,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583700897] [2023-05-20 18:00:43,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:00:43,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 18:00:43,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:43,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 18:00:43,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 18:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:43,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:43,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.631578947368421) internal successors, (240), 19 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:43,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:43,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 18:00:44,195 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,SelfDestructingSolverStorable6 [2023-05-20 18:00:44,196 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:44,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:44,196 INFO L85 PathProgramCache]: Analyzing trace with hash 808095107, now seen corresponding path program 3 times [2023-05-20 18:00:44,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:44,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935643449] [2023-05-20 18:00:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:44,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 18:00:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:44,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935643449] [2023-05-20 18:00:44,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935643449] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:00:44,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454624451] [2023-05-20 18:00:44,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 18:00:44,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:44,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:00:44,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 18:00:44,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 18:00:44,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:00:44,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 18:00:44,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:00:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 18:00:45,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:00:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 18:00:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454624451] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:00:45,816 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:00:45,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2023-05-20 18:00:45,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176506111] [2023-05-20 18:00:45,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:00:45,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 18:00:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 18:00:45,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2023-05-20 18:00:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:45,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:45,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.136363636363637) internal successors, (355), 22 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) [2023-05-20 18:00:45,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:45,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:46,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 18:00:46,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:46,441 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:46,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:46,442 INFO L85 PathProgramCache]: Analyzing trace with hash -543989469, now seen corresponding path program 4 times [2023-05-20 18:00:46,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:46,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948292042] [2023-05-20 18:00:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:46,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 18:00:46,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:46,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948292042] [2023-05-20 18:00:46,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948292042] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:00:46,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593005659] [2023-05-20 18:00:46,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 18:00:46,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:46,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:00:46,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 18:00:46,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 18:00:46,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:00:46,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 18:00:46,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:00:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 18:00:47,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:00:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 18:00:47,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593005659] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:00:47,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:00:47,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2023-05-20 18:00:47,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193498739] [2023-05-20 18:00:47,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:00:47,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-20 18:00:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:47,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-20 18:00:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2023-05-20 18:00:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:47,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:47,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.290322580645162) internal successors, (350), 31 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:47,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:48,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 18:00:48,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:48,672 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:48,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:48,673 INFO L85 PathProgramCache]: Analyzing trace with hash -36654432, now seen corresponding path program 5 times [2023-05-20 18:00:48,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:48,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147208288] [2023-05-20 18:00:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-20 18:00:48,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:48,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147208288] [2023-05-20 18:00:48,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147208288] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 18:00:48,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 18:00:48,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 18:00:48,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738819462] [2023-05-20 18:00:48,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 18:00:48,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 18:00:48,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:48,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 18:00:48,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 18:00:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:48,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 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) [2023-05-20 18:00:48,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:48,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:48,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:48,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:48,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:48,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:48,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:00:48,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 18:00:48,997 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:48,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1069444994, now seen corresponding path program 6 times [2023-05-20 18:00:48,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:48,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097026692] [2023-05-20 18:00:48,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:48,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 44 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 18:00:49,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:49,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097026692] [2023-05-20 18:00:49,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097026692] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:00:49,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902927100] [2023-05-20 18:00:49,453 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 18:00:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:49,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:00:49,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 18:00:49,717 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-20 18:00:49,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:00:49,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 18:00:49,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:00:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 86 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 18:00:50,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:00:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 55 proven. 55 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 18:00:50,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902927100] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:00:50,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:00:50,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 40 [2023-05-20 18:00:50,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135369729] [2023-05-20 18:00:50,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:00:50,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 18:00:50,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:50,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 18:00:50,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1267, Unknown=0, NotChecked=0, Total=1560 [2023-05-20 18:00:50,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:50,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:50,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.425) internal successors, (417), 40 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:50,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:50,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:00:50,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:00:51,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:00:51,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 18:00:51,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 18:00:51,629 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:51,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:51,630 INFO L85 PathProgramCache]: Analyzing trace with hash 117391102, now seen corresponding path program 7 times [2023-05-20 18:00:51,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:51,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061235456] [2023-05-20 18:00:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 35 proven. 26 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 18:00:51,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:00:51,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061235456] [2023-05-20 18:00:51,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061235456] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:00:51,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437802002] [2023-05-20 18:00:51,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 18:00:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:00:51,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:00:52,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 18:00:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:00:52,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 18:00:52,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:00:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 18:00:52,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:00:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 63 proven. 45 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 18:00:53,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437802002] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:00:53,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:00:53,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 37 [2023-05-20 18:00:53,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858027180] [2023-05-20 18:00:53,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:00:53,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 18:00:53,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:00:53,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 18:00:53,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 18:00:53,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:53,780 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:00:53,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.513513513513514) internal successors, (426), 37 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:00:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:53,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:00:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:00:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:00:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:00:54,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 18:00:54,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:00:54,857 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:00:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:00:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash 131804566, now seen corresponding path program 8 times [2023-05-20 18:00:54,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:00:54,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298517637] [2023-05-20 18:00:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:00:54,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:00:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:01:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:01:06,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:01:06,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298517637] [2023-05-20 18:01:06,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298517637] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:01:06,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675519233] [2023-05-20 18:01:06,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 18:01:06,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:01:06,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:01:06,504 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:01:06,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 18:01:06,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 18:01:06,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:01:06,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 105 conjunts are in the unsatisfiable core [2023-05-20 18:01:06,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:01:11,461 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:01:11,462 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 47 treesize of output 35 [2023-05-20 18:01:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:01:11,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:01:13,526 INFO L356 Elim1Store]: treesize reduction 30, result has 87.6 percent of original size [2023-05-20 18:01:13,527 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 90 treesize of output 242 [2023-05-20 18:01:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:01:21,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675519233] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:01:21,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:01:21,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 54, 54] total 161 [2023-05-20 18:01:21,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66775655] [2023-05-20 18:01:21,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:01:21,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-20 18:01:21,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:01:21,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-20 18:01:21,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2282, Invalid=23478, Unknown=0, NotChecked=0, Total=25760 [2023-05-20 18:01:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:01:21,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:01:21,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 3.739130434782609) internal successors, (602), 161 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:01:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:01:21,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:01:21,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:01:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:01:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:01:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:01:30,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 18:01:31,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:01:31,089 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:01:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:01:31,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1709811402, now seen corresponding path program 9 times [2023-05-20 18:01:31,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:01:31,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173281950] [2023-05-20 18:01:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:01:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:01:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:01:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 3 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:01:41,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:01:41,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173281950] [2023-05-20 18:01:41,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173281950] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:01:41,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749437570] [2023-05-20 18:01:41,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 18:01:41,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:01:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:01:41,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:01:41,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 18:01:42,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-20 18:01:42,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:01:42,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-20 18:01:42,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:01:44,186 INFO L356 Elim1Store]: treesize reduction 29, result has 45.3 percent of original size [2023-05-20 18:01:44,186 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 47 treesize of output 38 [2023-05-20 18:01:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-05-20 18:01:44,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:01:45,569 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:01:45,569 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 88 treesize of output 280 [2023-05-20 18:02:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-05-20 18:02:00,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749437570] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:02:00,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:02:00,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 21, 28] total 112 [2023-05-20 18:02:00,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714642332] [2023-05-20 18:02:00,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:02:00,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-05-20 18:02:00,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:02:00,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-05-20 18:02:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=11752, Unknown=0, NotChecked=0, Total=12432 [2023-05-20 18:02:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:00,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:02:00,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.723214285714286) internal successors, (529), 112 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:02:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:02:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:02:08,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 18:02:08,537 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,SelfDestructingSolverStorable13 [2023-05-20 18:02:08,537 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:02:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:02:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash -351727876, now seen corresponding path program 10 times [2023-05-20 18:02:08,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:02:08,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330168668] [2023-05-20 18:02:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:02:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:02:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:02:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 110 proven. 134 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-05-20 18:02:09,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:02:09,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330168668] [2023-05-20 18:02:09,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330168668] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:02:09,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933172082] [2023-05-20 18:02:09,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 18:02:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:02:09,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:02:09,204 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:02:09,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 18:02:09,366 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 18:02:09,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:02:09,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 18:02:09,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:02:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 166 proven. 75 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-20 18:02:09,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:02:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 132 proven. 109 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-20 18:02:10,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933172082] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:02:10,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:02:10,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2023-05-20 18:02:10,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702000364] [2023-05-20 18:02:10,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:02:10,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-20 18:02:10,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:02:10,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-20 18:02:10,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2489, Unknown=0, NotChecked=0, Total=2970 [2023-05-20 18:02:10,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:10,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:02:10,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.309090909090909) internal successors, (457), 55 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:10,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:02:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:02:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:02:11,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:02:11,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 18:02:11,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 18:02:11,253 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:02:11,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:02:11,253 INFO L85 PathProgramCache]: Analyzing trace with hash -536662709, now seen corresponding path program 11 times [2023-05-20 18:02:11,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:02:11,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364554941] [2023-05-20 18:02:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:02:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:02:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:02:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 159 proven. 123 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-05-20 18:02:11,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:02:11,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364554941] [2023-05-20 18:02:11,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364554941] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:02:11,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597218053] [2023-05-20 18:02:11,952 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 18:02:11,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:02:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:02:11,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:02:11,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 18:02:12,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-20 18:02:12,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:02:12,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 18:02:12,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:02:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 82 proven. 36 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-05-20 18:02:12,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:02:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 72 proven. 87 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-05-20 18:02:13,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597218053] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:02:13,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:02:13,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 5, 11] total 36 [2023-05-20 18:02:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967526544] [2023-05-20 18:02:13,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:02:13,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-20 18:02:13,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:02:13,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-20 18:02:13,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1090, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 18:02:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:13,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:02:13,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.777777777777779) internal successors, (496), 36 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:13,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:13,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:02:13,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:13,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:02:13,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:02:13,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:02:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:02:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:02:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:02:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 18:02:14,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 18:02:14,293 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,SelfDestructingSolverStorable15 [2023-05-20 18:02:14,293 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:02:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:02:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2011235800, now seen corresponding path program 12 times [2023-05-20 18:02:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:02:14,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024023523] [2023-05-20 18:02:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:02:14,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:02:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:02:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 12 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:02:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:02:27,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024023523] [2023-05-20 18:02:27,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024023523] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:02:27,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469392964] [2023-05-20 18:02:27,555 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 18:02:27,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:02:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:02:27,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:02:27,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 18:02:28,360 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-20 18:02:28,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 18:02:28,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 119 conjunts are in the unsatisfiable core [2023-05-20 18:02:28,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:02:31,467 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 11 treesize of output 7 [2023-05-20 18:02:31,848 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 [2023-05-20 18:02:32,027 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 [2023-05-20 18:02:33,345 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:02:33,345 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 47 treesize of output 35 [2023-05-20 18:02:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-05-20 18:02:33,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:06:32,386 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (* c_~q2_back~0 4)) (.cse7 (* c_~q2_front~0 4)) (.cse5 (* c_~q1_back~0 4)) (.cse8 (* c_~q1_front~0 4))) (and (forall ((v_ArrVal_678 (Array Int Int)) (~q1~0.offset Int) (~q1~0.base Int) (~q2~0.offset Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_678))) (let ((.cse4 (select .cse10 ~q1~0.base)) (.cse6 (select .cse10 c_~q2~0.base))) (let ((.cse1 (select .cse6 (+ ~q2~0.offset .cse9 8))) (.cse0 (select .cse4 (+ .cse8 ~q1~0.offset 12))) (.cse2 (select .cse6 (+ ~q2~0.offset .cse7 12))) (.cse3 (select .cse4 (+ .cse5 ~q1~0.offset 12)))) (or (< .cse0 .cse1) (< .cse2 (+ .cse1 1)) (< .cse0 .cse3) (< .cse2 (+ 1 .cse3))))))) (forall ((v_ArrVal_678 (Array Int Int)) (~q1~0.offset Int) (~q1~0.base Int) (~q2~0.offset Int)) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_678))) (let ((.cse15 (select .cse17 c_~q2~0.base)) (.cse16 (select .cse17 ~q1~0.base))) (let ((.cse11 (select .cse16 (+ .cse8 ~q1~0.offset 12))) (.cse12 (select .cse16 (+ .cse5 ~q1~0.offset 12))) (.cse14 (select .cse15 (+ ~q2~0.offset .cse7 12))) (.cse13 (select .cse15 (+ ~q2~0.offset .cse9 8)))) (or (< .cse11 (+ 1 .cse12)) (< .cse11 (+ .cse13 1)) (< .cse14 .cse12) (< .cse14 .cse13)))))))) is different from false [2023-05-20 18:06:39,074 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:06:39,075 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 233 treesize of output 149 [2023-05-20 18:06:39,142 INFO L356 Elim1Store]: treesize reduction 9, result has 91.1 percent of original size [2023-05-20 18:06:39,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2157 treesize of output 1906 [2023-05-20 18:06:39,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 18:06:39,195 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:06:39,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1776 treesize of output 1586 [2023-05-20 18:06:39,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 18:06:39,244 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:06:39,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1549 treesize of output 1093 [2023-05-20 18:07:01,581 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:07:01,581 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 233 treesize of output 149 [2023-05-20 18:07:01,651 INFO L356 Elim1Store]: treesize reduction 55, result has 45.5 percent of original size [2023-05-20 18:07:01,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4133 treesize of output 3530 [2023-05-20 18:07:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 18:07:01,714 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 18:07:01,730 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:07:01,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 3369 treesize of output 2847 [2023-05-20 18:07:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 18:07:01,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 18:07:01,774 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:07:01,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2911 treesize of output 1912 [2023-05-20 18:08:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 60 refuted. 51 times theorem prover too weak. 277 trivial. 0 not checked. [2023-05-20 18:08:20,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469392964] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:08:20,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:08:20,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 55, 36] total 152 [2023-05-20 18:08:20,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704323980] [2023-05-20 18:08:20,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:08:20,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2023-05-20 18:08:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:08:20,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2023-05-20 18:08:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=21434, Unknown=394, NotChecked=298, Total=22952 [2023-05-20 18:08:20,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:08:20,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:08:20,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 4.052631578947368) internal successors, (616), 152 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 18:08:20,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:08:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 18:08:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-20 18:08:35,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 18:08:35,651 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,SelfDestructingSolverStorable16 [2023-05-20 18:08:35,652 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 18:08:35,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 18:08:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash -324158318, now seen corresponding path program 13 times [2023-05-20 18:08:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 18:08:35,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167677625] [2023-05-20 18:08:35,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 18:08:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 18:08:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:08:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 7 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 18:08:49,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 18:08:49,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167677625] [2023-05-20 18:08:49,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167677625] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 18:08:49,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224673804] [2023-05-20 18:08:49,119 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 18:08:49,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 18:08:49,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 18:08:49,120 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 18:08:49,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 18:08:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 18:08:49,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 119 conjunts are in the unsatisfiable core [2023-05-20 18:08:49,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 18:08:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 18:08:55,279 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 29 treesize of output 29 [2023-05-20 18:08:55,894 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:08:55,895 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 54 treesize of output 36 [2023-05-20 18:08:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 18:08:56,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 18:08:57,539 WARN L833 $PredicateComparison]: unable to prove that (or (not (<= 0 c_~q1_back~0)) (not (< c_~q1_back~0 c_~n1~0)) (let ((.cse4 (+ c_~q2~0.offset (* c_~q2_front~0 4))) (.cse2 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse1 (+ (* c_~q1_front~0 4) c_~q1~0.offset))) (and (forall ((v_ArrVal_763 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_763))) (or (forall ((~q1~0.base Int)) (let ((.cse0 (select .cse3 ~q1~0.base))) (or (< (select .cse0 .cse1) c_~N~0) (not (= (select .cse0 .cse2) c_~j~0))))) (< (+ (select (select .cse3 c_~q2~0.base) .cse4) 1) c_~N~0)))) (forall ((v_ArrVal_763 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_763))) (or (< (select (select .cse5 c_~q2~0.base) .cse4) c_~N~0) (forall ((~q1~0.base Int)) (let ((.cse6 (select .cse5 ~q1~0.base))) (or (not (= (select .cse6 .cse2) c_~j~0)) (< (+ (select .cse6 .cse1) 1) c_~N~0)))))))))) is different from false [2023-05-20 18:08:57,792 INFO L356 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2023-05-20 18:08:57,792 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 204 treesize of output 352 [2023-05-20 18:08:57,816 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:08:57,816 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 143 treesize of output 170 [2023-05-20 18:08:57,840 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 18:08:57,840 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 125 treesize of output 152 [2023-05-20 18:09:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 18:09:31,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224673804] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 18:09:31,752 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 18:09:31,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 63, 47] total 170 [2023-05-20 18:09:31,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165097562] [2023-05-20 18:09:31,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 18:09:31,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2023-05-20 18:09:31,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 18:09:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2023-05-20 18:09:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1611, Invalid=26784, Unknown=1, NotChecked=334, Total=28730 [2023-05-20 18:09:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:09:31,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 18:09:31,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 3.788235294117647) internal successors, (644), 170 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 18:09:31,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-20 18:09:31,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 18:13:19,375 WARN L249 SmtUtils]: Removed 12 from assertion stack [2023-05-20 18:13:19,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 18:13:19,393 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 18:13:19,399 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 18:13:19,399 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 18:13:19,576 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,SelfDestructingSolverStorable17 [2023-05-20 18:13:19,576 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 99ms.. [2023-05-20 18:13:19,578 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 18:13:19,578 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 18:13:19,578 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 18:13:19,583 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1] [2023-05-20 18:13:19,585 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 18:13:19,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 18:13:19,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:13:19 BasicIcfg [2023-05-20 18:13:19,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 18:13:19,588 INFO L158 Benchmark]: Toolchain (without parser) took 760724.18ms. Allocated memory was 196.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 166.0MB in the beginning and 977.1MB in the end (delta: -811.0MB). Peak memory consumption was 395.6MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,588 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 18:13:19,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.76ms. Allocated memory is still 196.1MB. Free memory was 166.0MB in the beginning and 167.3MB in the end (delta: -1.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.64ms. Allocated memory is still 196.1MB. Free memory was 167.3MB in the beginning and 165.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,589 INFO L158 Benchmark]: Boogie Preprocessor took 24.88ms. Allocated memory is still 196.1MB. Free memory was 165.2MB in the beginning and 163.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,589 INFO L158 Benchmark]: RCFGBuilder took 609.47ms. Allocated memory is still 196.1MB. Free memory was 163.5MB in the beginning and 134.5MB in the end (delta: 29.0MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,589 INFO L158 Benchmark]: TraceAbstraction took 759735.05ms. Allocated memory was 196.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 133.1MB in the beginning and 977.1MB in the end (delta: -844.0MB). Peak memory consumption was 363.3MB. Max. memory is 8.0GB. [2023-05-20 18:13:19,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.76ms. Allocated memory is still 196.1MB. Free memory was 166.0MB in the beginning and 167.3MB in the end (delta: -1.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.64ms. Allocated memory is still 196.1MB. Free memory was 167.3MB in the beginning and 165.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.88ms. Allocated memory is still 196.1MB. Free memory was 165.2MB in the beginning and 163.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 609.47ms. Allocated memory is still 196.1MB. Free memory was 163.5MB in the beginning and 134.5MB in the end (delta: 29.0MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 759735.05ms. Allocated memory was 196.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 133.1MB in the beginning and 977.1MB in the end (delta: -844.0MB). Peak memory consumption was 363.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 109044, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 7788, dependent conditional: 7775, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101781, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 101781, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 8339, dependent unconditional: 1992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 5160, dependent unconditional: 5171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 5160, dependent unconditional: 5171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 928, independent: 823, independent conditional: 27, independent unconditional: 796, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 928, independent: 794, independent conditional: 0, independent unconditional: 794, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 134, independent: 29, independent conditional: 27, independent unconditional: 2, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, independent: 29, independent conditional: 27, independent unconditional: 2, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 512, independent: 87, independent conditional: 75, independent unconditional: 12, dependent: 425, dependent conditional: 331, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111587, independent: 100433, independent conditional: 1440, independent unconditional: 98993, dependent: 10226, dependent conditional: 5068, dependent unconditional: 5158, unknown: 928, unknown conditional: 119, unknown unconditional: 809] , Statistics on independence cache: Total cache size (in pairs): 928, Positive cache size: 823, Positive conditional cache size: 27, Positive unconditional cache size: 796, Negative cache size: 105, Negative conditional cache size: 92, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3179, Maximal queried relation: 16, Independence queries for same thread: 7263 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 498, Number of trivial persistent sets: 443, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 995, independent: 982, independent conditional: 0, independent unconditional: 982, 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: 109044, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 7788, dependent conditional: 7775, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101781, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 101781, independent: 101256, independent conditional: 100274, independent unconditional: 982, dependent: 525, dependent conditional: 512, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 8339, dependent unconditional: 1992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 5160, dependent unconditional: 5171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111587, independent: 101256, independent conditional: 1467, independent unconditional: 99789, dependent: 10331, dependent conditional: 5160, dependent unconditional: 5171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 928, independent: 823, independent conditional: 27, independent unconditional: 796, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 928, independent: 794, independent conditional: 0, independent unconditional: 794, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 134, independent: 29, independent conditional: 27, independent unconditional: 2, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, independent: 29, independent conditional: 27, independent unconditional: 2, dependent: 105, dependent conditional: 92, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 512, independent: 87, independent conditional: 75, independent unconditional: 12, dependent: 425, dependent conditional: 331, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111587, independent: 100433, independent conditional: 1440, independent unconditional: 98993, dependent: 10226, dependent conditional: 5068, dependent unconditional: 5158, unknown: 928, unknown conditional: 119, unknown unconditional: 809] , Statistics on independence cache: Total cache size (in pairs): 928, Positive cache size: 823, Positive conditional cache size: 27, Positive unconditional cache size: 796, Negative cache size: 105, Negative conditional cache size: 92, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3179, Maximal queried relation: 16, Independence queries for same thread: 7263 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 99ms.. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 99ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 99ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 186 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 759.5s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 264.7s, 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: 1705, 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: 0.4s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 487.3s InterpolantComputationTime, 6093 NumberOfCodeBlocks, 6030 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 8580 ConstructedInterpolants, 96 QuantifiedInterpolants, 126508 SizeOfPredicates, 293 NumberOfNonLiveVariables, 5943 ConjunctsInSsa, 502 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 3885/7466 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