/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 23:50:42,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 23:50:42,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 23:50:42,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 23:50:42,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 23:50:42,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 23:50:42,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 23:50:42,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 23:50:42,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 23:50:42,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 23:50:42,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 23:50:42,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 23:50:42,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 23:50:42,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 23:50:42,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 23:50:42,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 23:50:42,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 23:50:42,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 23:50:42,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 23:50:42,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 23:50:42,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 23:50:42,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 23:50:42,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 23:50:42,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 23:50:42,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 23:50:42,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 23:50:42,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 23:50:42,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 23:50:42,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 23:50:42,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 23:50:42,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 23:50:42,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 23:50:42,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 23:50:42,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 23:50:42,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 23:50:42,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 23:50:42,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 23:50:42,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 23:50:42,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 23:50:42,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 23:50:42,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 23:50:42,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 23:50:42,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 23:50:42,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 23:50:42,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 23:50:42,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 23:50:42,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:50:42,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 23:50:42,185 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 23:50:42,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 23:50:42,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 23:50:42,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 23:50:42,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 23:50:42,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 23:50:42,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 23:50:42,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2022-11-15 23:50:42,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369edbcca/2c2b8ab23fc64b1d910b5a68c9786e46/FLAG5f3bff71c [2022-11-15 23:50:42,754 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 23:50:42,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2022-11-15 23:50:42,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369edbcca/2c2b8ab23fc64b1d910b5a68c9786e46/FLAG5f3bff71c [2022-11-15 23:50:43,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369edbcca/2c2b8ab23fc64b1d910b5a68c9786e46 [2022-11-15 23:50:43,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 23:50:43,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 23:50:43,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 23:50:43,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 23:50:43,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 23:50:43,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25756b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43, skipping insertion in model container [2022-11-15 23:50:43,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 23:50:43,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 23:50:43,351 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2022-11-15 23:50:43,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:50:43,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 23:50:43,377 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2022-11-15 23:50:43,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:50:43,389 INFO L208 MainTranslator]: Completed translation [2022-11-15 23:50:43,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43 WrapperNode [2022-11-15 23:50:43,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 23:50:43,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 23:50:43,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 23:50:43,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 23:50:43,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,414 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 154 [2022-11-15 23:50:43,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 23:50:43,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 23:50:43,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 23:50:43,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 23:50:43,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 23:50:43,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 23:50:43,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 23:50:43,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 23:50:43,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (1/1) ... [2022-11-15 23:50:43,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:50:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:43,459 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) [2022-11-15 23:50:43,460 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 [2022-11-15 23:50:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 23:50:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 23:50:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 23:50:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 23:50:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 23:50:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 23:50:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 23:50:43,488 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 23:50:43,568 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 23:50:43,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 23:50:43,833 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 23:50:43,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 23:50:43,886 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-15 23:50:43,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:43 BoogieIcfgContainer [2022-11-15 23:50:43,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 23:50:43,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 23:50:43,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 23:50:43,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 23:50:43,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:50:43" (1/3) ... [2022-11-15 23:50:43,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3910efa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:43, skipping insertion in model container [2022-11-15 23:50:43,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:43" (2/3) ... [2022-11-15 23:50:43,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3910efa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:43, skipping insertion in model container [2022-11-15 23:50:43,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:43" (3/3) ... [2022-11-15 23:50:43,893 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2022-11-15 23:50:43,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 23:50:43,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 23:50:43,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 23:50:43,905 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 23:50:43,943 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 23:50:43,988 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:50:43,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 23:50:43,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:43,991 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) [2022-11-15 23:50:43,992 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 [2022-11-15 23:50:44,013 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 23:50:44,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 23:50:44,024 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;@20c7d387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:50:44,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-15 23:50:44,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash 753349552, now seen corresponding path program 1 times [2022-11-15 23:50:44,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:44,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785915907] [2022-11-15 23:50:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:44,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:44,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:44,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785915907] [2022-11-15 23:50:44,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785915907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:44,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:44,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 23:50:44,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427334600] [2022-11-15 23:50:44,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:44,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 23:50:44,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 23:50:44,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 23:50:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:44,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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) [2022-11-15 23:50:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 23:50:44,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:44,321 INFO L85 PathProgramCache]: Analyzing trace with hash 799450365, now seen corresponding path program 1 times [2022-11-15 23:50:44,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:44,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002264647] [2022-11-15 23:50:44,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:44,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:44,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:44,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002264647] [2022-11-15 23:50:44,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002264647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:44,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:44,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:50:44,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886585328] [2022-11-15 23:50:44,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:44,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:50:44,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:44,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:50:44,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:50:44,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:44,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-11-15 23:50:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:44,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 23:50:44,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2122434566, now seen corresponding path program 1 times [2022-11-15 23:50:44,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:44,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360307339] [2022-11-15 23:50:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:50:45,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:45,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360307339] [2022-11-15 23:50:45,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360307339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:45,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:45,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-15 23:50:45,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471539921] [2022-11-15 23:50:45,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:45,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 23:50:45,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:45,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 23:50:45,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-15 23:50:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:45,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 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) [2022-11-15 23:50:45,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:45,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:45,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 23:50:45,414 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:45,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:45,416 INFO L85 PathProgramCache]: Analyzing trace with hash -609990334, now seen corresponding path program 1 times [2022-11-15 23:50:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:45,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122998519] [2022-11-15 23:50:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:45,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:50:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:45,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122998519] [2022-11-15 23:50:45,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122998519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:45,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:45,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 23:50:45,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146071899] [2022-11-15 23:50:45,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:45,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 23:50:45,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:45,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 23:50:45,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-15 23:50:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:45,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2022-11-15 23:50:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:45,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:45,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:45,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 23:50:45,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash -848582619, now seen corresponding path program 1 times [2022-11-15 23:50:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:45,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724864530] [2022-11-15 23:50:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:45,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724864530] [2022-11-15 23:50:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724864530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:50:45,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352552965] [2022-11-15 23:50:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:45,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:45,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:45,829 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) [2022-11-15 23:50:45,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 23:50:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:45,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 23:50:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:50:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:46,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:50:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:46,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352552965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:50:46,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:50:46,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 23:50:46,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185115075] [2022-11-15 23:50:46,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:50:46,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 23:50:46,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:46,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 23:50:46,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 23:50:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:46,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:46,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.473684210526315) internal successors, (161), 19 states have internal predecessors, (161), 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) [2022-11-15 23:50:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:46,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:50:46,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 23:50:46,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:46,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:46,785 INFO L85 PathProgramCache]: Analyzing trace with hash -129661522, now seen corresponding path program 2 times [2022-11-15 23:50:46,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:46,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599418914] [2022-11-15 23:50:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:47,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:47,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599418914] [2022-11-15 23:50:47,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599418914] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:50:47,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514143417] [2022-11-15 23:50:47,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:50:47,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:47,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:47,742 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) [2022-11-15 23:50:47,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 23:50:47,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:50:47,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:50:47,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-15 23:50:47,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:50:48,530 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:50:48,531 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 10 [2022-11-15 23:50:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:48,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:50:48,697 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-15 23:50:48,698 INFO L350 Elim1Store]: Elim1 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 25 treesize of output 16 [2022-11-15 23:50:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:49,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514143417] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:50:49,434 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:50:49,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 14] total 45 [2022-11-15 23:50:49,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994069235] [2022-11-15 23:50:49,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:50:49,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-15 23:50:49,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:49,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-15 23:50:49,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1787, Unknown=0, NotChecked=0, Total=1980 [2022-11-15 23:50:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:49,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:49,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.111111111111111) internal successors, (275), 45 states have internal predecessors, (275), 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) [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:50:49,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:50:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-15 23:50:51,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-15 23:50:52,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:52,008 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:50:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:52,008 INFO L85 PathProgramCache]: Analyzing trace with hash 746648298, now seen corresponding path program 1 times [2022-11-15 23:50:52,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:52,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942006464] [2022-11-15 23:50:52,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:52,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:53,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:53,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942006464] [2022-11-15 23:50:53,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942006464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:50:53,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056810098] [2022-11-15 23:50:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:53,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:53,374 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) [2022-11-15 23:50:53,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 23:50:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:53,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-15 23:50:53,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:50:54,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-15 23:50:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:54,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:50:54,821 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:50:54,822 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 28 [2022-11-15 23:50:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:50:55,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056810098] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:50:55,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:50:55,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 24, 24] total 69 [2022-11-15 23:50:55,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709888183] [2022-11-15 23:50:55,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:50:55,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-15 23:50:55,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-15 23:50:55,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692 [2022-11-15 23:50:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:55,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:55,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.304347826086956) internal successors, (297), 69 states have internal predecessors, (297), 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) [2022-11-15 23:50:55,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:55,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:55,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:55,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:55,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:50:55,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-15 23:50:55,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-15 23:51:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-15 23:51:03,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 23:51:03,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:03,564 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:03,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash -829726170, now seen corresponding path program 2 times [2022-11-15 23:51:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:03,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582562388] [2022-11-15 23:51:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:03,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582562388] [2022-11-15 23:51:03,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582562388] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:03,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677058325] [2022-11-15 23:51:03,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:51:03,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:03,864 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) [2022-11-15 23:51:03,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 23:51:03,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:51:03,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:03,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:51:03,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 23:51:04,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 23:51:04,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677058325] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:04,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:04,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 7] total 21 [2022-11-15 23:51:04,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744682521] [2022-11-15 23:51:04,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:04,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-15 23:51:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:04,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-15 23:51:04,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2022-11-15 23:51:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:04,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:04,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.380952380952381) internal successors, (281), 21 states have internal predecessors, (281), 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) [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-15 23:51:04,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-15 23:51:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-15 23:51:06,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-15 23:51:06,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:06,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:06,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash -296229028, now seen corresponding path program 3 times [2022-11-15 23:51:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:06,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770631223] [2022-11-15 23:51:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:07,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:07,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770631223] [2022-11-15 23:51:07,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770631223] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:07,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291571697] [2022-11-15 23:51:07,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:51:07,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:07,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:07,800 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) [2022-11-15 23:51:07,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 23:51:07,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 23:51:07,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:07,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-15 23:51:07,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:51:08,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 23:51:08,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-15 23:51:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 23:51:08,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:08,351 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_181 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_181) c_~q~0.base) (+ (* c_~q_front~0 4) c_~q~0.offset)) 0))) is different from false [2022-11-15 23:51:08,363 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:51:08,364 INFO L350 Elim1Store]: Elim1 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 45 treesize of output 41 [2022-11-15 23:51:08,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-15 23:51:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 23:51:08,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291571697] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:08,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:08,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 12] total 48 [2022-11-15 23:51:08,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039775640] [2022-11-15 23:51:08,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:08,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-15 23:51:08,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:08,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-15 23:51:08,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=2020, Unknown=1, NotChecked=90, Total=2256 [2022-11-15 23:51:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:08,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:08,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.1875) internal successors, (297), 48 states have internal predecessors, (297), 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) [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-15 23:51:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:13,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:13,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:13,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:13,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1728957634, now seen corresponding path program 3 times [2022-11-15 23:51:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:13,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288186568] [2022-11-15 23:51:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:13,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:14,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:14,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288186568] [2022-11-15 23:51:14,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288186568] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:14,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687694024] [2022-11-15 23:51:14,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:51:14,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:14,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:14,511 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) [2022-11-15 23:51:14,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 23:51:14,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:51:14,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:14,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-15 23:51:14,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:15,222 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:51:15,223 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 10 [2022-11-15 23:51:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:15,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:15,300 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-15 23:51:15,300 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 18 [2022-11-15 23:51:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:15,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687694024] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:15,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:15,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 7, 7] total 29 [2022-11-15 23:51:15,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665133582] [2022-11-15 23:51:15,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:15,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-15 23:51:15,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:15,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-15 23:51:15,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2022-11-15 23:51:15,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:15,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:15,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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) [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:16,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:17,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:17,052 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:17,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:17,052 INFO L85 PathProgramCache]: Analyzing trace with hash -521695234, now seen corresponding path program 4 times [2022-11-15 23:51:17,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:17,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899522351] [2022-11-15 23:51:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:17,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:18,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899522351] [2022-11-15 23:51:18,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899522351] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:18,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113426741] [2022-11-15 23:51:18,711 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:51:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:18,712 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) [2022-11-15 23:51:18,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 23:51:18,785 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:51:18,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:18,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-15 23:51:18,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:20,497 INFO L321 Elim1Store]: treesize reduction 48, result has 12.7 percent of original size [2022-11-15 23:51:20,498 INFO L350 Elim1Store]: Elim1 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 48 treesize of output 19 [2022-11-15 23:51:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:20,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:21,677 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:51:21,677 INFO L350 Elim1Store]: Elim1 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 100 treesize of output 84 [2022-11-15 23:51:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:22,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113426741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:22,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:22,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 33, 33] total 93 [2022-11-15 23:51:22,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748190655] [2022-11-15 23:51:22,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:22,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-11-15 23:51:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-11-15 23:51:22,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=827, Invalid=7729, Unknown=0, NotChecked=0, Total=8556 [2022-11-15 23:51:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:22,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:22,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.6666666666666665) internal successors, (341), 93 states have internal predecessors, (341), 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) [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:22,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-15 23:51:35,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:35,387 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,SelfDestructingSolverStorable10 [2022-11-15 23:51:35,388 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:35,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2055908038, now seen corresponding path program 5 times [2022-11-15 23:51:35,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:35,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275895448] [2022-11-15 23:51:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:35,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:35,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:35,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275895448] [2022-11-15 23:51:35,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275895448] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:35,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185742079] [2022-11-15 23:51:35,505 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:51:35,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:35,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:35,506 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) [2022-11-15 23:51:35,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-15 23:51:35,593 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-15 23:51:35,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:35,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-15 23:51:35,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:35,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:35,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185742079] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:35,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:35,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9] total 13 [2022-11-15 23:51:35,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985708642] [2022-11-15 23:51:35,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:35,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-15 23:51:35,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:35,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-15 23:51:35,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-11-15 23:51:35,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:35,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:35,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.615384615384617) internal successors, (216), 13 states have internal predecessors, (216), 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) [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-15 23:51:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-11-15 23:51:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:36,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:36,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:36,462 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:36,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:36,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2126043175, now seen corresponding path program 6 times [2022-11-15 23:51:36,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:36,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641454671] [2022-11-15 23:51:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:36,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:36,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:36,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641454671] [2022-11-15 23:51:36,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641454671] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:36,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306499916] [2022-11-15 23:51:36,661 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:51:36,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:36,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:36,662 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) [2022-11-15 23:51:36,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-15 23:51:36,885 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-15 23:51:36,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:36,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-15 23:51:36,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:37,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 23:51:37,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306499916] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:37,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:37,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-11-15 23:51:37,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723728381] [2022-11-15 23:51:37,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:37,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-15 23:51:37,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-15 23:51:37,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2022-11-15 23:51:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:37,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:37,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.324324324324325) internal successors, (234), 37 states have internal predecessors, (234), 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) [2022-11-15 23:51:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:37,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:51:40,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:40,424 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,SelfDestructingSolverStorable12 [2022-11-15 23:51:40,424 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 824902566, now seen corresponding path program 7 times [2022-11-15 23:51:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:40,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804407572] [2022-11-15 23:51:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:41,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:41,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804407572] [2022-11-15 23:51:41,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804407572] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:41,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787694241] [2022-11-15 23:51:41,473 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:51:41,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:41,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:41,474 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) [2022-11-15 23:51:41,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-15 23:51:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:41,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-15 23:51:41,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:42,423 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:51:42,424 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 10 [2022-11-15 23:51:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:42,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:42,568 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-15 23:51:42,568 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 18 [2022-11-15 23:51:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:43,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787694241] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:43,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:43,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 22] total 63 [2022-11-15 23:51:43,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322326172] [2022-11-15 23:51:43,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:43,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-15 23:51:43,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:43,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-15 23:51:43,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=3400, Unknown=0, NotChecked=0, Total=3906 [2022-11-15 23:51:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:43,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:43,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.603174603174603) internal successors, (353), 63 states have internal predecessors, (353), 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) [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:51:43,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:51:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:51:47,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:47,433 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,SelfDestructingSolverStorable13 [2022-11-15 23:51:47,433 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:51:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1510388962, now seen corresponding path program 8 times [2022-11-15 23:51:47,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:47,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804941189] [2022-11-15 23:51:47,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 5 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:50,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:50,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804941189] [2022-11-15 23:51:50,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804941189] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:50,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206605007] [2022-11-15 23:51:50,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:51:50,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:50,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:50,893 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) [2022-11-15 23:51:50,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-15 23:51:51,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:51:51,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:51,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-15 23:51:51,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:51,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:51:51,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:51:52,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:51:52,569 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:51:52,652 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:51:54,277 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:51:54,277 INFO L350 Elim1Store]: Elim1 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 72 treesize of output 18 [2022-11-15 23:51:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:54,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:58,999 WARN L833 $PredicateComparison]: unable to prove that (or (< (+ c_~q_front~0 3) 0) (let ((.cse10 (* c_~q_front~0 4)) (.cse11 (* 4 c_~q_back~0))) (let ((.cse2 (+ .cse11 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse5 (+ .cse11 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse6 (+ .cse11 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse3 (+ .cse10 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse4 (+ .cse10 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (+ .cse10 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse0 (select .cse1 .cse7))) (or (= .cse0 0) (not (= (select .cse1 .cse2) 1)) (< 2 (+ c_~s~0 (select .cse1 .cse3) .cse0 (select .cse1 .cse4))) (not (= (select .cse1 .cse5) 1)) (not (= (select .cse1 .cse6) 1)))))) (forall ((v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse9 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse8 (select .cse9 .cse7))) (or (= .cse8 0) (not (= (select .cse9 .cse2) 1)) (not (= (select .cse9 .cse5) 1)) (not (= (select .cse9 .cse6) 1)) (< (+ c_~s~0 (select .cse9 .cse3) .cse8 (select .cse9 .cse4)) 4)))))))) (not (<= 0 c_~q_back~0)) (< c_~n~0 (+ c_~q_front~0 4)) (not (< c_~q_back~0 c_~n~0)) (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) is different from false [2022-11-15 23:51:59,522 WARN L833 $PredicateComparison]: unable to prove that (or (< (+ c_~q_front~0 3) 0) (not (<= 0 c_~q_back~0)) (< c_~n~0 (+ c_~q_front~0 4)) (not (< c_~q_back~0 c_~n~0)) (let ((.cse13 (* 4 c_~q_back~0)) (.cse12 (* c_~q_front~0 4))) (let ((.cse2 (+ .cse12 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse3 (+ .cse12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse1 (+ .cse13 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse5 (+ .cse13 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse6 (+ .cse13 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (+ .cse12 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse9 (+ 4 (* |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse8 .cse9 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse4 (select .cse0 .cse7))) (or (not (= (select .cse0 .cse1) 1)) (< 2 (+ c_~s~0 (select .cse0 .cse2) (select .cse0 .cse3) .cse4)) (= 0 .cse4) (not (= (select .cse0 .cse5) 1)) (not (= (select .cse0 .cse6) 1)))))) (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse10 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse8 .cse9 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse11 (select .cse10 .cse7))) (or (< (+ c_~s~0 (select .cse10 .cse2) (select .cse10 .cse3) .cse11) 4) (not (= (select .cse10 .cse1) 1)) (= 0 .cse11) (not (= (select .cse10 .cse5) 1)) (not (= (select .cse10 .cse6) 1))))))))) (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) is different from false [2022-11-15 23:51:59,567 WARN L833 $PredicateComparison]: unable to prove that (or (< (+ c_~q_front~0 3) 0) (let ((.cse12 (* c_~q_front~0 4)) (.cse13 (* 4 c_~q_back~0))) (let ((.cse4 (+ .cse13 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse5 (+ .cse13 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse1 (+ .cse12 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (+ .cse12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse6 (+ .cse13 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (+ .cse12 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse9 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse8 .cse9 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse3 (select .cse0 .cse7))) (or (< 2 (+ c_~s~0 (select .cse0 .cse1) (select .cse0 .cse2) .cse3)) (not (= (select .cse0 .cse4) 1)) (not (= (select .cse0 .cse5) 1)) (= .cse3 0) (not (= (select .cse0 .cse6) 1)))))) (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse10 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse8 .cse9 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse11 (select .cse10 .cse7))) (or (not (= (select .cse10 .cse4) 1)) (not (= (select .cse10 .cse5) 1)) (= .cse11 0) (< (+ c_~s~0 (select .cse10 .cse1) (select .cse10 .cse2) .cse11) 4) (not (= (select .cse10 .cse6) 1))))))))) (not (<= 0 c_~q_back~0)) (< c_~n~0 (+ c_~q_front~0 4)) (not (< c_~q_back~0 c_~n~0)) (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) is different from false [2022-11-15 23:52:00,654 WARN L833 $PredicateComparison]: unable to prove that (or (< (+ c_~q_front~0 3) 0) (let ((.cse13 (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|)) (.cse14 (* c_~q_front~0 4)) (.cse15 (* 4 c_~q_back~0))) (let ((.cse4 (+ .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse5 (+ .cse15 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse1 (+ .cse14 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (+ .cse14 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse6 (+ .cse15 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (+ .cse14 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse9 (+ .cse13 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse10 (+ 8 .cse13 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_386 Int) (v_ArrVal_384 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse8 .cse9 v_ArrVal_384) .cse10 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse3 (select .cse0 .cse7))) (or (< 2 (+ c_~s~0 (select .cse0 .cse1) (select .cse0 .cse2) .cse3)) (= .cse3 0) (not (= (select .cse0 .cse4) 1)) (not (= (select .cse0 .cse5) 1)) (not (= (select .cse0 .cse6) 1)))))) (forall ((v_ArrVal_386 Int) (v_ArrVal_384 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse12 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse8 .cse9 v_ArrVal_384) .cse10 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse11 (select .cse12 .cse7))) (or (= .cse11 0) (not (= (select .cse12 .cse4) 1)) (not (= (select .cse12 .cse5) 1)) (< (+ c_~s~0 (select .cse12 .cse1) (select .cse12 .cse2) .cse11) 4) (not (= (select .cse12 .cse6) 1))))))))) (not (<= 0 c_~q_back~0)) (< c_~n~0 (+ c_~q_front~0 4)) (not (< c_~q_back~0 c_~n~0)) (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) is different from false [2022-11-15 23:52:00,724 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:00,725 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 322 treesize of output 164 [2022-11-15 23:52:00,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:00,764 INFO L350 Elim1Store]: Elim1 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 439 treesize of output 498 [2022-11-15 23:52:00,805 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:00,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 378 treesize of output 404 [2022-11-15 23:52:00,851 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:00,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 234 treesize of output 307 [2022-11-15 23:52:09,643 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:09,644 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 322 treesize of output 164 [2022-11-15 23:52:09,677 INFO L321 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2022-11-15 23:52:09,678 INFO L350 Elim1Store]: Elim1 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 439 treesize of output 390 [2022-11-15 23:52:09,714 INFO L321 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2022-11-15 23:52:09,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 378 treesize of output 296 [2022-11-15 23:52:09,747 INFO L321 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2022-11-15 23:52:09,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 234 treesize of output 199 [2022-11-15 23:52:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2022-11-15 23:52:10,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206605007] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:10,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:10,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 48] total 137 [2022-11-15 23:52:10,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701989967] [2022-11-15 23:52:10,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:10,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-11-15 23:52:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:10,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-11-15 23:52:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=15874, Unknown=109, NotChecked=1060, Total=18632 [2022-11-15 23:52:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:10,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:10,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 3.0145985401459856) internal successors, (413), 137 states have internal predecessors, (413), 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) [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:52:10,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,560 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse58 (* c_~q_front~0 4))) (let ((.cse60 (+ .cse58 c_~q~0.offset)) (.cse53 (select |c_#memory_int| c_~q~0.base))) (let ((.cse56 (+ c_~q_front~0 2)) (.cse22 (select .cse53 (+ .cse58 c_~q~0.offset 4))) (.cse57 (select .cse53 (+ .cse58 c_~q~0.offset 8))) (.cse44 (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|)) (.cse59 (+ c_~q_front~0 1)) (.cse0 (select .cse53 .cse60)) (.cse54 (* 4 c_~q_back~0))) (let ((.cse5 (<= (* c_~n~0 4) (+ c_~q~0.offset .cse54 11))) (.cse1 (<= c_~n~0 4)) (.cse2 (= c_~s~0 0)) (.cse3 (= .cse60 0)) (.cse16 (<= .cse0 1)) (.cse4 (<= 1 c_~q_back~0)) (.cse17 (<= 1 .cse0)) (.cse24 (< .cse59 0)) (.cse25 (<= c_~n~0 .cse59)) (.cse26 (<= c_~q_back~0 .cse59)) (.cse27 (= .cse0 0)) (.cse10 (and (< c_~s~0 1) (< 0 (+ c_~s~0 1)) (= .cse58 .cse54))) (.cse36 (+ .cse54 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse34 (+ .cse58 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse32 (+ .cse58 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse37 (+ .cse54 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse35 (+ .cse54 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse38 (+ .cse58 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse39 (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse40 (+ .cse44 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse30 (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1)) (.cse7 (not (<= 0 c_~q_back~0))) (.cse9 (not (< c_~q_back~0 c_~n~0))) (.cse14 (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|)) (.cse6 (< (+ c_~q_front~0 3) 0)) (.cse11 (not (= (select .cse53 (+ c_~q~0.offset .cse54)) 1))) (.cse12 (= .cse57 0)) (.cse8 (< c_~n~0 (+ c_~q_front~0 4))) (.cse13 (not (= (select .cse53 (+ c_~q~0.offset .cse54 4)) 1))) (.cse15 (+ c_~s~0 .cse0 .cse57 .cse22)) (.cse18 (<= c_~n~0 .cse56)) (.cse19 (= .cse22 0)) (.cse20 (<= c_~q_back~0 .cse56)) (.cse23 (< .cse56 0))) (and (or (and (<= |c_thread1Thread1of1ForFork1_~i~0#1| .cse0) (<= .cse0 |c_thread1Thread1of1ForFork1_~i~0#1|) .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse9 (< 4 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse10) (or .cse6 .cse11 .cse12 .cse8 .cse13 (and (< .cse14 .cse15) (< .cse15 (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4)))) (or .cse5 (and .cse1 .cse2 .cse3 .cse16 .cse4 (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) .cse17)) (or .cse18 .cse19 .cse20 (let ((.cse21 (+ c_~s~0 .cse0 .cse22 |c_thread2Thread1of1ForFork0_~j~0#1|))) (and (<= c_~N~0 .cse21) (<= .cse21 c_~N~0))) .cse23) (or .cse5 (and .cse1 .cse2 .cse3 .cse16 .cse4 (= |c_thread1Thread1of1ForFork1_#t~post1#1| 0) .cse17)) (or .cse24 .cse25 .cse26 .cse27 (let ((.cse28 (+ c_~s~0 .cse0 |c_thread2Thread1of1ForFork0_~j~0#1|))) (and (<= c_~N~0 .cse28) (<= .cse28 c_~N~0)))) (or .cse24 .cse25 .cse26 .cse27 (let ((.cse29 (+ c_~s~0 .cse0))) (and (<= c_~N~0 .cse29) (<= .cse29 c_~N~0)))) (or .cse6 .cse11 .cse12 .cse8 (< .cse30 c_~N~0) (and (<= c_~N~0 .cse15) (<= .cse15 c_~N~0))) (or .cse6 .cse7 .cse8 .cse9 (< 4 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse10) (or .cse6 .cse7 .cse8 .cse9 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (let ((.cse41 (+ .cse44 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_386 Int) (v_ArrVal_384 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse31 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse39 .cse40 v_ArrVal_384) .cse41 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse33 (select .cse31 .cse38))) (or (< (+ c_~s~0 (select .cse31 .cse32) .cse33 (select .cse31 .cse34)) 4) (not (= (select .cse31 .cse35) 1)) (not (= (select .cse31 .cse36) 1)) (not (= (select .cse31 .cse37) 1)) (= .cse33 0))))) (forall ((v_ArrVal_386 Int) (v_ArrVal_384 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse42 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store .cse39 .cse40 v_ArrVal_384) .cse41 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse43 (select .cse42 .cse38))) (or (not (= (select .cse42 .cse35) 1)) (not (= (select .cse42 .cse36) 1)) (< 2 (+ c_~s~0 (select .cse42 .cse32) .cse43 (select .cse42 .cse34))) (not (= (select .cse42 .cse37) 1)) (= .cse43 0)))))))) (or (not (= |c_thread2Thread1of1ForFork0_~j~0#1| 0)) (and (<= c_~N~0 c_~s~0) (<= c_~s~0 c_~N~0))) (or .cse6 (and (forall ((v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse46 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse45 (select .cse46 .cse38))) (or (= .cse45 0) (not (= (select .cse46 .cse37) 1)) (< 2 (+ c_~s~0 (select .cse46 .cse32) .cse45 (select .cse46 .cse34))) (not (= (select .cse46 .cse35) 1)) (not (= (select .cse46 .cse36) 1)))))) (forall ((v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse48 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse47 (select .cse48 .cse38))) (or (= .cse47 0) (not (= (select .cse48 .cse37) 1)) (not (= (select .cse48 .cse35) 1)) (not (= (select .cse48 .cse36) 1)) (< (+ c_~s~0 (select .cse48 .cse32) .cse47 (select .cse48 .cse34)) 4)))))) .cse7 .cse8 (< |c_ULTIMATE.start_create_fresh_int_array_~i~1#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse9) (or .cse6 .cse11 .cse12 .cse8 (and (< (+ |c_thread1Thread1of1ForFork1_#t~post1#1| 1) .cse15) (< .cse15 (+ 3 |c_thread1Thread1of1ForFork1_#t~post1#1|)))) (or .cse6 .cse7 .cse8 (and (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse50 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse39 .cse40 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse49 (select .cse50 .cse38))) (or (= .cse49 0) (not (= (select .cse50 .cse36) 1)) (not (= (select .cse50 .cse37) 1)) (< 2 (+ c_~s~0 (select .cse50 .cse34) (select .cse50 .cse32) .cse49)) (not (= (select .cse50 .cse35) 1)))))) (forall ((v_ArrVal_386 Int) (v_ArrVal_388 (Array Int Int)) (v_ArrVal_389 (Array Int Int))) (let ((.cse52 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store .cse39 .cse40 v_ArrVal_386)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_388) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_389) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse51 (select .cse52 .cse38))) (or (= .cse51 0) (not (= (select .cse52 .cse36) 1)) (< (+ c_~s~0 (select .cse52 .cse34) (select .cse52 .cse32) .cse51) 4) (not (= (select .cse52 .cse37) 1)) (not (= (select .cse52 .cse35) 1))))))) .cse9 (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (= c_~q~0.offset 0) (or .cse6 .cse11 .cse12 .cse8 (and (< .cse30 .cse15) (< .cse15 (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|)))) (or .cse6 .cse7 .cse11 .cse12 .cse8 .cse9 .cse13 (and (< .cse15 4) (< 2 .cse15)) (not (= (select .cse53 (+ c_~q~0.offset .cse54 8)) 1))) (or .cse6 .cse11 .cse12 .cse8 (and (< .cse15 .cse14) (< |c_thread1Thread1of1ForFork1_~i~0#1| .cse15))) (or .cse6 .cse11 .cse12 .cse8 .cse13 (and (< (+ 2 |c_thread1Thread1of1ForFork1_#t~post1#1|) .cse15) (< .cse15 (+ 4 |c_thread1Thread1of1ForFork1_#t~post1#1|)))) (or .cse18 .cse19 .cse20 .cse23 (let ((.cse55 (+ c_~s~0 .cse0 .cse22))) (and (<= .cse55 c_~N~0) (<= c_~N~0 .cse55))))))))) is different from false [2022-11-15 23:52:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:52:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2022-11-15 23:52:55,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:56,150 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,SelfDestructingSolverStorable14 [2022-11-15 23:52:56,151 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:52:56,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:56,151 INFO L85 PathProgramCache]: Analyzing trace with hash 339757326, now seen corresponding path program 9 times [2022-11-15 23:52:56,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:56,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952026207] [2022-11-15 23:52:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 112 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-15 23:52:56,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:56,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952026207] [2022-11-15 23:52:56,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952026207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:56,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272009132] [2022-11-15 23:52:56,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:52:56,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:56,499 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:56,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-15 23:52:56,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-15 23:52:56,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:56,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-15 23:52:56,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 112 proven. 46 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-15 23:52:57,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 130 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-15 23:52:57,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272009132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:57,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:57,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 53 [2022-11-15 23:52:57,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833972399] [2022-11-15 23:52:57,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:57,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-15 23:52:57,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-15 23:52:57,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=2417, Unknown=0, NotChecked=0, Total=2756 [2022-11-15 23:52:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:57,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:57,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.433962264150943) internal successors, (341), 53 states have internal predecessors, (341), 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) [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:52:57,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:52:57,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2022-11-15 23:52:57,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2022-11-15 23:53:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:21,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-15 23:53:22,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-15 23:53:22,189 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:53:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:22,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1814588925, now seen corresponding path program 10 times [2022-11-15 23:53:22,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:22,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813388211] [2022-11-15 23:53:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:23,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:23,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813388211] [2022-11-15 23:53:23,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813388211] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:23,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533204618] [2022-11-15 23:53:23,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:53:23,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:23,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:23,611 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:23,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-15 23:53:23,696 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:53:23,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:53:23,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-15 23:53:23,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:24,853 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:53:24,854 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 10 [2022-11-15 23:53:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:24,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:53:25,029 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-15 23:53:25,030 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 18 [2022-11-15 23:53:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:25,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533204618] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:25,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:25,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 24, 24] total 71 [2022-11-15 23:53:25,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606585586] [2022-11-15 23:53:25,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:25,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-11-15 23:53:25,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:25,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-11-15 23:53:25,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=848, Invalid=4122, Unknown=0, NotChecked=0, Total=4970 [2022-11-15 23:53:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:25,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:25,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.492957746478873) internal successors, (390), 71 states have internal predecessors, (390), 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) [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2022-11-15 23:53:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:53:31,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-15 23:53:31,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:31,408 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:53:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash 103058293, now seen corresponding path program 11 times [2022-11-15 23:53:31,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:31,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754535508] [2022-11-15 23:53:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:31,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 40 proven. 18 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-15 23:53:31,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:31,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754535508] [2022-11-15 23:53:31,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754535508] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:31,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241941544] [2022-11-15 23:53:31,542 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:53:31,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:31,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:31,543 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:31,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-15 23:53:31,635 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-15 23:53:31,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:53:31,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:53:31,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 40 proven. 18 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-15 23:53:31,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:53:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-15 23:53:32,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241941544] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:32,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:32,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 11] total 16 [2022-11-15 23:53:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781689028] [2022-11-15 23:53:32,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:32,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-15 23:53:32,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:32,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-15 23:53:32,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-11-15 23:53:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:32,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:32,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.625) internal successors, (234), 16 states have internal predecessors, (234), 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) [2022-11-15 23:53:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:32,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:53:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:53:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:32,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-15 23:53:32,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-15 23:53:32,696 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:53:32,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1507236026, now seen corresponding path program 12 times [2022-11-15 23:53:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:32,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534441205] [2022-11-15 23:53:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 27 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:33,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:33,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534441205] [2022-11-15 23:53:33,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534441205] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:33,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806723016] [2022-11-15 23:53:33,718 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:53:33,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:33,719 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:33,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-15 23:53:33,958 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-11-15 23:53:33,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:53:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-15 23:53:33,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:34,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:34,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:35,095 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:53:35,147 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:53:35,758 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:53:35,758 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 10 [2022-11-15 23:53:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 27 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:35,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:53:40,218 INFO L321 Elim1Store]: treesize reduction 20, result has 63.0 percent of original size [2022-11-15 23:53:40,218 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 76 treesize of output 71 [2022-11-15 23:53:40,241 INFO L321 Elim1Store]: treesize reduction 5, result has 87.8 percent of original size [2022-11-15 23:53:40,241 INFO L350 Elim1Store]: Elim1 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 170 treesize of output 180 [2022-11-15 23:53:40,250 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-15 23:53:40,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 106 [2022-11-15 23:53:40,261 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-15 23:53:40,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 93 [2022-11-15 23:53:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 10 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:41,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806723016] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:41,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:41,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 35, 33] total 94 [2022-11-15 23:53:41,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561439602] [2022-11-15 23:53:41,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:41,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-11-15 23:53:41,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:41,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-11-15 23:53:41,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=916, Invalid=7796, Unknown=30, NotChecked=0, Total=8742 [2022-11-15 23:53:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:41,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:41,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.574468085106383) internal successors, (430), 94 states have internal predecessors, (430), 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) [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:41,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2022-11-15 23:53:41,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:41,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:53:41,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:41,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:53:51,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-15 23:53:51,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:51,341 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:53:51,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1777967094, now seen corresponding path program 13 times [2022-11-15 23:53:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:51,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021821769] [2022-11-15 23:53:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:51,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:53:54,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:54,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021821769] [2022-11-15 23:53:54,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021821769] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:54,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345045692] [2022-11-15 23:53:54,827 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:53:54,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:54,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:54,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:54,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-15 23:53:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:54,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 131 conjunts are in the unsatisfiable core [2022-11-15 23:53:54,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:55,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:55,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:55,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:56,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:56,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:53:56,771 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:53:56,855 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:53:59,867 INFO L321 Elim1Store]: treesize reduction 114, result has 5.8 percent of original size [2022-11-15 23:53:59,867 INFO L350 Elim1Store]: Elim1 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 91 treesize of output 28 [2022-11-15 23:54:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:54:00,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:55:58,466 INFO L321 Elim1Store]: treesize reduction 89, result has 54.4 percent of original size [2022-11-15 23:55:58,467 INFO L350 Elim1Store]: Elim1 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 5 case distinctions, treesize of input 668 treesize of output 300 [2022-11-15 23:55:59,204 INFO L321 Elim1Store]: treesize reduction 64, result has 91.0 percent of original size [2022-11-15 23:55:59,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 776 treesize of output 1294 [2022-11-15 23:55:59,481 INFO L321 Elim1Store]: treesize reduction 64, result has 77.2 percent of original size [2022-11-15 23:55:59,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 588 treesize of output 658 [2022-11-15 23:55:59,730 INFO L321 Elim1Store]: treesize reduction 64, result has 77.2 percent of original size [2022-11-15 23:55:59,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 348 treesize of output 491 Received shutdown request... [2022-11-16 00:04:38,041 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-11-16 00:04:38,043 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 00:04:38,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-16 00:04:38,066 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 00:04:38,066 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 [2022-11-16 00:04:38,085 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 [2022-11-16 00:04:38,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:04:38,244 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 172 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 10ms.. [2022-11-16 00:04:38,247 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 00:04:38,247 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 00:04:38,250 INFO L444 BasicCegarLoop]: Path program histogram: [13, 3, 1, 1, 1, 1] [2022-11-16 00:04:38,254 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 00:04:38,254 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 00:04:38,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:04:38 BasicIcfg [2022-11-16 00:04:38,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 00:04:38,256 INFO L158 Benchmark]: Toolchain (without parser) took 835066.04ms. Allocated memory was 205.5MB in the beginning and 974.1MB in the end (delta: 768.6MB). Free memory was 150.8MB in the beginning and 579.6MB in the end (delta: -428.8MB). Peak memory consumption was 680.3MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,256 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 167.0MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 00:04:38,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.16ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 184.1MB in the beginning and 223.9MB in the end (delta: -39.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.31ms. Allocated memory is still 247.5MB. Free memory was 223.9MB in the beginning and 222.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,258 INFO L158 Benchmark]: Boogie Preprocessor took 20.88ms. Allocated memory is still 247.5MB. Free memory was 221.8MB in the beginning and 220.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,259 INFO L158 Benchmark]: RCFGBuilder took 451.79ms. Allocated memory is still 247.5MB. Free memory was 220.1MB in the beginning and 195.6MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,259 INFO L158 Benchmark]: TraceAbstraction took 834366.34ms. Allocated memory was 247.5MB in the beginning and 974.1MB in the end (delta: 726.7MB). Free memory was 195.1MB in the beginning and 579.6MB in the end (delta: -384.5MB). Peak memory consumption was 682.2MB. Max. memory is 8.0GB. [2022-11-16 00:04:38,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 167.0MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.16ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 184.1MB in the beginning and 223.9MB in the end (delta: -39.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.31ms. Allocated memory is still 247.5MB. Free memory was 223.9MB in the beginning and 222.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.88ms. Allocated memory is still 247.5MB. Free memory was 221.8MB in the beginning and 220.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 451.79ms. Allocated memory is still 247.5MB. Free memory was 220.1MB in the beginning and 195.6MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 834366.34ms. Allocated memory was 247.5MB in the beginning and 974.1MB in the end (delta: 726.7MB). Free memory was 195.1MB in the beginning and 579.6MB in the end (delta: -384.5MB). Peak memory consumption was 682.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 174042, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 39355, dependent conditional: 39342, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134710, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 23, dependent conditional: 10, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134710, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 23, dependent conditional: 10, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1186, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1172, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1172, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1058, independent: 836, independent conditional: 46, independent unconditional: 790, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1058, independent: 788, independent conditional: 0, independent unconditional: 788, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 48, independent conditional: 46, independent unconditional: 2, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 48, independent conditional: 46, independent unconditional: 2, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 690, independent: 178, independent conditional: 168, independent unconditional: 10, dependent: 512, dependent conditional: 446, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 136182, independent: 133851, independent conditional: 240, independent unconditional: 133611, dependent: 1273, dependent conditional: 963, dependent unconditional: 310, unknown: 1058, unknown conditional: 255, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 836, Positive conditional cache size: 46, Positive unconditional cache size: 790, Negative cache size: 222, Negative conditional cache size: 209, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 11, Independence queries for same thread: 39332 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 404, Number of trivial persistent sets: 394, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 959, independent: 946, independent conditional: 0, independent unconditional: 946, 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: 174042, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 39355, dependent conditional: 39342, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134710, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 23, dependent conditional: 10, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134710, independent: 134687, independent conditional: 133741, independent unconditional: 946, dependent: 23, dependent conditional: 10, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1186, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1172, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136182, independent: 134687, independent conditional: 286, independent unconditional: 134401, dependent: 1495, dependent conditional: 1172, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1058, independent: 836, independent conditional: 46, independent unconditional: 790, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1058, independent: 788, independent conditional: 0, independent unconditional: 788, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 48, independent conditional: 46, independent unconditional: 2, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 48, independent conditional: 46, independent unconditional: 2, dependent: 222, dependent conditional: 209, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 690, independent: 178, independent conditional: 168, independent unconditional: 10, dependent: 512, dependent conditional: 446, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 136182, independent: 133851, independent conditional: 240, independent unconditional: 133611, dependent: 1273, dependent conditional: 963, dependent unconditional: 310, unknown: 1058, unknown conditional: 255, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 836, Positive conditional cache size: 46, Positive unconditional cache size: 790, Negative cache size: 222, Negative conditional cache size: 209, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 11, Independence queries for same thread: 39332 - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 172 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 10ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 172 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 10ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 172 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 146 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 834.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 122.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1170, 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: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 58.5s InterpolantComputationTime, 4693 NumberOfCodeBlocks, 4641 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 6781 ConstructedInterpolants, 198 QuantifiedInterpolants, 91439 SizeOfPredicates, 298 NumberOfNonLiveVariables, 4930 ConjunctsInSsa, 535 ConjunctsInUnsatCore, 49 InterpolantComputations, 4 PerfectInterpolantSequences, 1183/3006 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