/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-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 23:50:53,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 23:50:53,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 23:50:53,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 23:50:53,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 23:50:53,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 23:50:53,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 23:50:53,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 23:50:53,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 23:50:53,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 23:50:53,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 23:50:53,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 23:50:53,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 23:50:53,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 23:50:53,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 23:50:53,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 23:50:53,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 23:50:53,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 23:50:53,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 23:50:53,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 23:50:53,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 23:50:53,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 23:50:53,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 23:50:53,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 23:50:53,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 23:50:53,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 23:50:53,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 23:50:53,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 23:50:53,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 23:50:53,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 23:50:53,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 23:50:53,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 23:50:53,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 23:50:53,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 23:50:53,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 23:50:53,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 23:50:53,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 23:50:53,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 23:50:53,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 23:50:53,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 23:50:53,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 23:50:53,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 23:50:53,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 23:50:53,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 23:50:53,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 23:50:53,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 23:50:53,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 23:50:53,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:50:53,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 23:50:53,982 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 23:50:53,983 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 23:50:53,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 23:50:54,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 23:50:54,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 23:50:54,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 23:50:54,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 23:50:54,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 23:50:54,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2022-11-15 23:50:54,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6405ef5/34dcdc21d2d749e38f443fb55778ce8e/FLAG6e1bb0c0f [2022-11-15 23:50:54,588 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 23:50:54,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2022-11-15 23:50:54,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6405ef5/34dcdc21d2d749e38f443fb55778ce8e/FLAG6e1bb0c0f [2022-11-15 23:50:55,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6405ef5/34dcdc21d2d749e38f443fb55778ce8e [2022-11-15 23:50:55,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 23:50:55,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 23:50:55,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 23:50:55,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 23:50:55,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 23:50:55,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7df53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55, skipping insertion in model container [2022-11-15 23:50:55,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 23:50:55,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 23:50:55,174 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-3.wvr.c[3412,3425] [2022-11-15 23:50:55,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:50:55,184 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 23:50:55,200 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-3.wvr.c[3412,3425] [2022-11-15 23:50:55,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:50:55,212 INFO L208 MainTranslator]: Completed translation [2022-11-15 23:50:55,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55 WrapperNode [2022-11-15 23:50:55,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 23:50:55,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 23:50:55,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 23:50:55,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 23:50:55,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,249 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 245 [2022-11-15 23:50:55,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 23:50:55,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 23:50:55,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 23:50:55,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 23:50:55,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 23:50:55,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 23:50:55,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 23:50:55,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 23:50:55,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (1/1) ... [2022-11-15 23:50:55,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:50:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:55,307 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 23:50:55,315 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 23:50:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 23:50:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 23:50:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 23:50:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 23:50:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 23:50:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 23:50:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 23:50:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 23:50:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 23:50:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 23:50:55,337 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 23:50:55,406 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 23:50:55,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 23:50:55,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 23:50:55,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 23:50:55,810 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-15 23:50:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:55 BoogieIcfgContainer [2022-11-15 23:50:55,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 23:50:55,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 23:50:55,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 23:50:55,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 23:50:55,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:50:55" (1/3) ... [2022-11-15 23:50:55,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d78893e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:55, skipping insertion in model container [2022-11-15 23:50:55,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:50:55" (2/3) ... [2022-11-15 23:50:55,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d78893e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:50:55, skipping insertion in model container [2022-11-15 23:50:55,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:50:55" (3/3) ... [2022-11-15 23:50:55,819 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2022-11-15 23:50:55,824 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 23:50:55,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 23:50:55,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 23:50:55,830 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 23:50:55,879 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 23:50:55,914 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:50:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 23:50:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:55,918 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 23:50:55,953 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 23:50:55,971 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 23:50:55,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 23:50:55,990 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;@2d8302f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:50:55,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 23:50:56,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:56,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -837453732, now seen corresponding path program 1 times [2022-11-15 23:50:56,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:56,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535769338] [2022-11-15 23:50:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:56,481 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 23:50:56,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:56,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535769338] [2022-11-15 23:50:56,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535769338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:56,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:56,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 23:50:56,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307071611] [2022-11-15 23:50:56,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:56,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 23:50:56,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 23:50:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 23:50:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:56,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:56,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:50:56,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:56,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 23:50:56,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:56,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1752566837, now seen corresponding path program 1 times [2022-11-15 23:50:56,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:56,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974322539] [2022-11-15 23:50:56,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:56,910 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 23:50:56,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:56,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974322539] [2022-11-15 23:50:56,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974322539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:56,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:56,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:50:56,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955516484] [2022-11-15 23:50:56,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:56,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:50:56,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:56,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:50:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:50:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:56,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:56,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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 23:50:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:57,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 23:50:57,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:57,183 INFO L85 PathProgramCache]: Analyzing trace with hash -832383653, now seen corresponding path program 1 times [2022-11-15 23:50:57,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:57,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696113093] [2022-11-15 23:50:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:57,306 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 23:50:57,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:57,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696113093] [2022-11-15 23:50:57,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696113093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:57,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:57,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:50:57,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023585987] [2022-11-15 23:50:57,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:57,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:50:57,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:57,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:50:57,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:50:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:57,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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 23:50:57,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:57,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:57,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 23:50:57,497 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:57,498 INFO L85 PathProgramCache]: Analyzing trace with hash -681480390, now seen corresponding path program 1 times [2022-11-15 23:50:57,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:57,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237573782] [2022-11-15 23:50:57,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:50:58,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:58,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237573782] [2022-11-15 23:50:58,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237573782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:58,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:50:58,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-15 23:50:58,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516959108] [2022-11-15 23:50:58,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:58,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 23:50:58,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:58,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 23:50:58,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-15 23:50:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:58,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 12 states have internal predecessors, (171), 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 23:50:58,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:58,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:58,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:58,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 23:50:58,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:58,309 INFO L85 PathProgramCache]: Analyzing trace with hash 806801974, now seen corresponding path program 1 times [2022-11-15 23:50:58,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:58,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588611023] [2022-11-15 23:50:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:58,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:50:58,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:58,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588611023] [2022-11-15 23:50:58,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588611023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:50:58,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170927377] [2022-11-15 23:50:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:58,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:58,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:58,513 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 23:50:58,514 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 23:50:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:58,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 23:50:58,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:50:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:50:58,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 23:50:58,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170927377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:50:58,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 23:50:58,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-11-15 23:50:58,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725157864] [2022-11-15 23:50:58,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:50:58,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 23:50:58,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:58,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 23:50:58,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-15 23:50:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:58,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 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 23:50:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:58,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 23:50:59,175 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 23:50:59,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:50:59,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:50:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1682428555, now seen corresponding path program 1 times [2022-11-15 23:50:59,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:50:59,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518211381] [2022-11-15 23:50:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:50:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-15 23:50:59,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:50:59,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518211381] [2022-11-15 23:50:59,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518211381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:50:59,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334267224] [2022-11-15 23:50:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:50:59,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:50:59,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:50:59,388 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 23:50:59,390 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 23:50:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:50:59,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 23:50:59,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:50:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-15 23:50:59,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:50:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-15 23:50:59,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334267224] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:50:59,903 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:50:59,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 23:50:59,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743638881] [2022-11-15 23:50:59,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:50:59,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 23:50:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:50:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 23:50:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 23:50:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:59,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:50:59,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.894736842105264) internal successors, (226), 19 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:50:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:50:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:50:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:50:59,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:50:59,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:50:59,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:00,257 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 23:51:00,439 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 23:51:00,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash -170927075, now seen corresponding path program 1 times [2022-11-15 23:51:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:00,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715111365] [2022-11-15 23:51:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:00,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:00,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715111365] [2022-11-15 23:51:00,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715111365] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:00,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994963709] [2022-11-15 23:51:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:00,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:00,663 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 23:51:00,708 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 23:51:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:00,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 23:51:00,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:00,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:01,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994963709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:01,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:01,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 23:51:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120535253] [2022-11-15 23:51:01,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:01,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 23:51:01,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:01,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 23:51:01,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 23:51:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:01,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:01,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.842105263157896) internal successors, (225), 19 states have internal predecessors, (225), 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 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:51:01,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:01,872 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 23:51:01,872 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1302517420, now seen corresponding path program 2 times [2022-11-15 23:51:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:01,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024097648] [2022-11-15 23:51:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-15 23:51:02,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:02,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024097648] [2022-11-15 23:51:02,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024097648] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:02,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445529867] [2022-11-15 23:51:02,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:51:02,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:02,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:02,043 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 23:51:02,045 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 23:51:02,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:51:02,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:02,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 23:51:02,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-15 23:51:02,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 23:51:02,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445529867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:51:02,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 23:51:02,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-11-15 23:51:02,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089774209] [2022-11-15 23:51:02,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:51:02,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 23:51:02,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:02,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 23:51:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-15 23:51:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:02,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:02,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:51:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:02,690 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 23:51:02,888 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 23:51:02,889 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:02,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:02,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1751773325, now seen corresponding path program 2 times [2022-11-15 23:51:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:02,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401256364] [2022-11-15 23:51:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:03,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:03,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401256364] [2022-11-15 23:51:03,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401256364] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:03,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913000915] [2022-11-15 23:51:03,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:51:03,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:03,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:03,776 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 23:51:03,831 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 23:51:03,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:51:03,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:03,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-15 23:51:03,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:04,594 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:51:04,595 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 23:51:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:04,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:04,761 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-15 23:51:04,761 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 23:51:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:05,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913000915] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:05,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:05,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 14] total 43 [2022-11-15 23:51:05,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663271055] [2022-11-15 23:51:05,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:05,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-15 23:51:05,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:05,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-15 23:51:05,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2022-11-15 23:51:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:05,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:05,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.953488372093023) internal successors, (428), 43 states have internal predecessors, (428), 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 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:05,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:09,043 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 23:51:09,241 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 23:51:09,241 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:09,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:09,242 INFO L85 PathProgramCache]: Analyzing trace with hash 25809571, now seen corresponding path program 3 times [2022-11-15 23:51:09,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:09,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662091023] [2022-11-15 23:51:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:10,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:10,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662091023] [2022-11-15 23:51:10,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662091023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:10,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452588695] [2022-11-15 23:51:10,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:51:10,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:10,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:10,408 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 23:51:10,410 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 23:51:10,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 23:51:10,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:10,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-15 23:51:10,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:51:11,078 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 23:51:11,207 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:51:11,207 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 23:51:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-15 23:51:11,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:11,323 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:51:11,324 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 23:51:11,326 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 23:51:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-15 23:51:11,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452588695] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:11,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:11,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 12] total 38 [2022-11-15 23:51:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551364594] [2022-11-15 23:51:11,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:11,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-15 23:51:11,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:11,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-15 23:51:11,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1298, Unknown=6, NotChecked=0, Total=1406 [2022-11-15 23:51:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:11,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:11,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 11.078947368421053) internal successors, (421), 38 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:14,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-15 23:51:14,809 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 23:51:14,810 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:14,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash -113217836, now seen corresponding path program 4 times [2022-11-15 23:51:14,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:14,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487191149] [2022-11-15 23:51:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:14,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:15,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:15,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487191149] [2022-11-15 23:51:15,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487191149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:15,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796743937] [2022-11-15 23:51:15,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:51:15,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:15,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:15,017 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 23:51:15,044 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 23:51:15,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:51:15,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:15,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-15 23:51:15,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:15,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:15,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796743937] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:15,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:15,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-11-15 23:51:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639941312] [2022-11-15 23:51:15,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:15,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-15 23:51:15,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:15,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-15 23:51:15,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-11-15 23:51:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:15,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:15,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.321428571428571) internal successors, (261), 28 states have internal predecessors, (261), 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 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:16,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-15 23:51:16,844 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 23:51:16,845 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:16,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:16,845 INFO L85 PathProgramCache]: Analyzing trace with hash -657929881, now seen corresponding path program 5 times [2022-11-15 23:51:16,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:16,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972177484] [2022-11-15 23:51:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:18,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972177484] [2022-11-15 23:51:18,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972177484] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814515663] [2022-11-15 23:51:18,009 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:51:18,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:18,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:18,024 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 23:51:18,053 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 23:51:18,143 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-11-15 23:51:18,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:51:18,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-15 23:51:18,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:51:19,199 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 23:51:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:51:19,286 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 23:51:19,436 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 23:51:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:19,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:19,662 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:51:19,662 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 167 treesize of output 155 [2022-11-15 23:51:19,666 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 138 treesize of output 114 [2022-11-15 23:51:19,668 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 114 treesize of output 102 [2022-11-15 23:51:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:51:21,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814515663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:21,150 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:21,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-11-15 23:51:21,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185899925] [2022-11-15 23:51:21,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:21,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-15 23:51:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-15 23:51:21,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=3591, Unknown=1, NotChecked=0, Total=3906 [2022-11-15 23:51:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:21,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:21,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.222222222222222) internal successors, (455), 63 states have internal predecessors, (455), 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 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:51:27,635 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 23:51:27,833 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 23:51:27,833 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:27,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:27,834 INFO L85 PathProgramCache]: Analyzing trace with hash 951244647, now seen corresponding path program 1 times [2022-11-15 23:51:27,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:27,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817425778] [2022-11-15 23:51:27,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-15 23:51:28,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:28,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817425778] [2022-11-15 23:51:28,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817425778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:28,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686139011] [2022-11-15 23:51:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:28,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:28,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:28,582 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 23:51:28,584 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 23:51:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:28,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-15 23:51:28,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:30,048 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-11-15 23:51:30,048 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 42 treesize of output 10 [2022-11-15 23:51:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:30,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:30,458 INFO L321 Elim1Store]: treesize reduction 23, result has 77.2 percent of original size [2022-11-15 23:51:30,459 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 45 treesize of output 90 [2022-11-15 23:51:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:32,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686139011] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:32,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:32,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 28, 26] total 69 [2022-11-15 23:51:32,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208315956] [2022-11-15 23:51:32,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:32,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-15 23:51:32,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-15 23:51:32,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=665, Invalid=4027, Unknown=0, NotChecked=0, Total=4692 [2022-11-15 23:51:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:32,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:32,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 7.304347826086956) internal successors, (504), 69 states have internal predecessors, (504), 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 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:51:32,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:51:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-11-15 23:51:40,113 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 23:51:40,314 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 23:51:40,314 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:51:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:51:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1022254051, now seen corresponding path program 1 times [2022-11-15 23:51:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:51:40,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975889037] [2022-11-15 23:51:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:51:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:44,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:51:44,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975889037] [2022-11-15 23:51:44,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975889037] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:51:44,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111968109] [2022-11-15 23:51:44,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:51:44,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:44,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:51:44,016 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 23:51:44,017 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 23:51:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:51:44,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-15 23:51:44,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:51:47,775 INFO L321 Elim1Store]: treesize reduction 98, result has 6.7 percent of original size [2022-11-15 23:51:47,776 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 42 treesize of output 16 [2022-11-15 23:51:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:47,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:51:49,129 INFO L321 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2022-11-15 23:51:49,129 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 93 treesize of output 233 [2022-11-15 23:51:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:51:53,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111968109] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:51:53,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:51:53,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 37, 37] total 111 [2022-11-15 23:51:53,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191593528] [2022-11-15 23:51:53,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:51:53,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2022-11-15 23:51:53,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:51:53,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2022-11-15 23:51:53,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=11118, Unknown=0, NotChecked=0, Total=12210 [2022-11-15 23:51:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:53,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:51:53,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 4.495495495495495) internal successors, (499), 111 states have internal predecessors, (499), 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 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-11-15 23:51:53,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-11-15 23:52:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-11-15 23:52:15,917 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 23:52:16,115 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 23:52:16,115 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:16,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:16,115 INFO L85 PathProgramCache]: Analyzing trace with hash -157597089, now seen corresponding path program 2 times [2022-11-15 23:52:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:16,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586282367] [2022-11-15 23:52:16,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-15 23:52:16,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:16,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586282367] [2022-11-15 23:52:16,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586282367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:16,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956051248] [2022-11-15 23:52:16,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:52:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:16,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:16,289 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 23:52:16,290 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 23:52:16,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:52:16,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:16,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:52:16,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-15 23:52:16,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-15 23:52:16,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956051248] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:16,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:16,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 11 [2022-11-15 23:52:16,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272541012] [2022-11-15 23:52:16,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:16,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-15 23:52:16,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:16,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-15 23:52:16,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-15 23:52:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:16,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:16,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 29.818181818181817) internal successors, (328), 11 states have internal predecessors, (328), 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 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-11-15 23:52:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-15 23:52:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:17,954 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 23:52:18,149 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 23:52:18,149 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash 710018020, now seen corresponding path program 3 times [2022-11-15 23:52:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:18,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887188286] [2022-11-15 23:52:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-15 23:52:18,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:18,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887188286] [2022-11-15 23:52:18,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887188286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:18,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146107516] [2022-11-15 23:52:18,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:52:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:18,449 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 23:52:18,450 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 23:52:18,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:52:18,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:18,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:52:18,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-15 23:52:18,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-15 23:52:19,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146107516] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:19,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:19,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 7] total 20 [2022-11-15 23:52:19,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7357043] [2022-11-15 23:52:19,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:19,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-15 23:52:19,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:19,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-15 23:52:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-15 23:52:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:19,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:19,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 22.15) internal successors, (443), 20 states have internal predecessors, (443), 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 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:52:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:52:20,902 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 23:52:21,101 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 23:52:21,102 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1578917253, now seen corresponding path program 2 times [2022-11-15 23:52:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:21,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505830794] [2022-11-15 23:52:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:24,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:24,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505830794] [2022-11-15 23:52:24,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505830794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904713890] [2022-11-15 23:52:24,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:52:24,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:24,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:24,056 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 23:52:24,057 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 23:52:24,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:52:24,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:24,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-15 23:52:24,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:25,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:52:25,158 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 23:52:25,519 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:52:25,519 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 24 treesize of output 11 [2022-11-15 23:52:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-15 23:52:25,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:25,875 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:25,876 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 44 treesize of output 40 [2022-11-15 23:52:25,878 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 23:52:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-15 23:52:27,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904713890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:27,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:27,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 22, 22] total 79 [2022-11-15 23:52:27,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997288049] [2022-11-15 23:52:27,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:27,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-11-15 23:52:27,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-11-15 23:52:27,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=5746, Unknown=0, NotChecked=0, Total=6162 [2022-11-15 23:52:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:27,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:27,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.10126582278481) internal successors, (482), 79 states have internal predecessors, (482), 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 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:52:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:52:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-11-15 23:52:41,390 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 23:52:41,590 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 23:52:41,591 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash -373006725, now seen corresponding path program 3 times [2022-11-15 23:52:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:41,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084333808] [2022-11-15 23:52:41,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084333808] [2022-11-15 23:52:44,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084333808] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:44,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432255476] [2022-11-15 23:52:44,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:52:44,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:44,093 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 23:52:44,095 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 23:52:44,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 23:52:44,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:44,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-15 23:52:44,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:52:44,616 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 19 treesize of output 21 [2022-11-15 23:52:44,663 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 24 treesize of output 8 [2022-11-15 23:52:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-15 23:52:44,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:44,793 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:52:44,793 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 44 treesize of output 40 [2022-11-15 23:52:44,795 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 23:52:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-15 23:52:45,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432255476] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:45,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:45,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 13, 13] total 57 [2022-11-15 23:52:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618149861] [2022-11-15 23:52:45,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:45,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-15 23:52:45,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-15 23:52:45,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2964, Unknown=16, NotChecked=0, Total=3192 [2022-11-15 23:52:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:45,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:45,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.894736842105263) internal successors, (450), 57 states have internal predecessors, (450), 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 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-11-15 23:52:45,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:52:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-11-15 23:52:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 23:52:52,011 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 23:52:52,208 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 23:52:52,209 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1828600055, now seen corresponding path program 4 times [2022-11-15 23:52:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:52,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266418443] [2022-11-15 23:52:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:56,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:56,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266418443] [2022-11-15 23:52:56,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266418443] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:56,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886074709] [2022-11-15 23:52:56,011 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:52:56,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:56,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:56,014 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 23:52:56,014 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 23:52:56,154 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:52:56,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:56,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-15 23:52:56,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:52:58,891 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-15 23:52:58,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-15 23:52:58,909 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 29 treesize of output 15 [2022-11-15 23:52:59,137 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 19 treesize of output 7 [2022-11-15 23:52:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:59,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:59,607 WARN L833 $PredicateComparison]: unable to prove that (or (not (< c_~q2_back~0 c_~n2~0)) (let ((.cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= c_~N~0 (+ c_~t~0 .cse0)) (= .cse0 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= (+ c_~t~0 .cse2) c_~N~0) (= .cse2 0)))))) (not (<= 0 c_~q2_back~0))) is different from false [2022-11-15 23:52:59,637 WARN L833 $PredicateComparison]: unable to prove that (or (not (< c_~q2_back~0 c_~n2~0)) (= |c_thread2Thread1of1ForFork2_~j~0#1| 0) (let ((.cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= c_~N~0 (+ c_~t~0 .cse0)) (= .cse0 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= (+ c_~t~0 .cse2) c_~N~0) (= .cse2 0)))))) (not (<= 0 c_~q2_back~0))) is different from false [2022-11-15 23:52:59,667 WARN L833 $PredicateComparison]: unable to prove that (or (< c_~q2_back~0 0) (< c_~n2~0 (+ c_~q2_back~0 2)) (= |c_thread2Thread1of1ForFork2_~j~0#1| 0) (let ((.cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= c_~N~0 (+ c_~t~0 .cse0)) (= .cse0 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse1))) (or (<= (+ c_~t~0 .cse2) c_~N~0) (= .cse2 0)))))) (not (= (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)) |c_thread2Thread1of1ForFork2_~j~0#1|))) is different from false [2022-11-15 23:52:59,966 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)))) (or (not (= .cse0 (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (< c_~n2~0 (+ c_~q2_back~0 2)) (not (< c_~q1_back~0 c_~n1~0)) (= .cse0 0) (< |c_thread1Thread1of1ForFork1_~i~0#1| c_~N~0) (let ((.cse2 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= c_~N~0 (+ c_~t~0 .cse1)) (= .cse1 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= (+ c_~t~0 .cse3) c_~N~0) (= .cse3 0)))))))) is different from false [2022-11-15 23:53:00,014 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)))) (or (not (= .cse0 (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (< c_~n2~0 (+ c_~q2_back~0 2)) (< (+ |c_thread1Thread1of1ForFork1_#t~post1#1| 1) c_~N~0) (not (< c_~q1_back~0 c_~n1~0)) (= .cse0 0) (let ((.cse2 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= c_~N~0 (+ c_~t~0 .cse1)) (= .cse1 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= (+ c_~t~0 .cse3) c_~N~0) (= .cse3 0)))))))) is different from false [2022-11-15 23:53:00,039 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| c_~q2~0.base) (+ (* c_~q2_back~0 4) c_~q2~0.offset)))) (or (not (= .cse0 (select (select |c_#memory_int| c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)))) (< c_~q2_back~0 0) (not (<= 0 c_~q1_back~0)) (< c_~n2~0 (+ c_~q2_back~0 2)) (not (< c_~q1_back~0 c_~n1~0)) (= .cse0 0) (< (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (let ((.cse2 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= c_~N~0 (+ c_~t~0 .cse1)) (= .cse1 0)))) (forall ((v_ArrVal_752 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_752) c_~q2~0.base) .cse2))) (or (<= (+ c_~t~0 .cse3) c_~N~0) (= .cse3 0)))))))) is different from false [2022-11-15 23:53:00,085 INFO L321 Elim1Store]: treesize reduction 19, result has 81.2 percent of original size [2022-11-15 23:53:00,086 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 171 treesize of output 188 [2022-11-15 23:53:00,092 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 95 treesize of output 83 [2022-11-15 23:53:00,096 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 83 treesize of output 71 [2022-11-15 23:53:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-15 23:53:04,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886074709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:04,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:04,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 45, 45] total 133 [2022-11-15 23:53:04,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76088230] [2022-11-15 23:53:04,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:04,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2022-11-15 23:53:04,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:04,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2022-11-15 23:53:04,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=922, Invalid=15095, Unknown=9, NotChecked=1530, Total=17556 [2022-11-15 23:53:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:04,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:04,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 3.9774436090225564) internal successors, (529), 133 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 23:53:04,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-15 23:54:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2022-11-15 23:54:09,067 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 23:54:09,265 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 23:54:09,266 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:54:09,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:54:09,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1778459418, now seen corresponding path program 6 times [2022-11-15 23:54:09,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:54:09,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108601658] [2022-11-15 23:54:09,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:54:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:54:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:54:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:10,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:54:10,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108601658] [2022-11-15 23:54:10,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108601658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:54:10,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97419009] [2022-11-15 23:54:10,118 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:54:10,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:10,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:54:10,119 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 23:54:10,124 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 23:54:10,347 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-15 23:54:10,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:54:10,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-15 23:54:10,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:54:11,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:54:11,421 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:54:11,422 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 21 treesize of output 10 [2022-11-15 23:54:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:11,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:54:11,648 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-15 23:54:11,648 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 23:54:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:12,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97419009] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:54:12,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:54:12,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 17] total 55 [2022-11-15 23:54:12,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323794610] [2022-11-15 23:54:12,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:54:12,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-15 23:54:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:54:12,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-15 23:54:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=2526, Unknown=0, NotChecked=0, Total=2970 [2022-11-15 23:54:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:12,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:54:12,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.327272727272728) internal successors, (458), 55 states have internal predecessors, (458), 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 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:12,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2022-11-15 23:54:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2022-11-15 23:54:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-11-15 23:54:16,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-15 23:54:17,066 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 [2022-11-15 23:54:17,067 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:54:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:54:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash -357606588, now seen corresponding path program 7 times [2022-11-15 23:54:17,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:54:17,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334009487] [2022-11-15 23:54:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:54:17,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:54:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:54:18,072 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:18,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:54:18,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334009487] [2022-11-15 23:54:18,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334009487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:54:18,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254597450] [2022-11-15 23:54:18,072 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:54:18,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:54:18,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:54:18,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-15 23:54:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:54:18,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-15 23:54:18,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:54:18,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:54:18,358 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 23:54:18,358 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 11 treesize of output 11 [2022-11-15 23:54:19,001 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 23:54:19,070 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 23:54:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:19,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:54:19,293 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:54:19,294 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 23:54:19,297 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 23:54:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:20,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254597450] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:54:20,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:54:20,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 67 [2022-11-15 23:54:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560242804] [2022-11-15 23:54:20,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:54:20,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-11-15 23:54:20,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:54:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-11-15 23:54:20,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=4036, Unknown=10, NotChecked=0, Total=4422 [2022-11-15 23:54:20,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:20,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:54:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.313432835820896) internal successors, (490), 67 states have internal predecessors, (490), 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 23:54:20,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:20,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:20,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:20,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:20,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-11-15 23:54:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-11-15 23:54:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:54:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:54:28,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-11-15 23:54:29,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:29,177 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:54:29,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:54:29,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1581155281, now seen corresponding path program 8 times [2022-11-15 23:54:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:54:29,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562904695] [2022-11-15 23:54:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:54:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:54:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:54:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:31,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:54:31,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562904695] [2022-11-15 23:54:31,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562904695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:54:31,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801679625] [2022-11-15 23:54:31,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:54:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:54:31,008 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:54:31,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-15 23:54:31,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:54:31,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:54:31,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-15 23:54:31,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:54:31,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:54:31,403 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 23:54:31,403 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 11 treesize of output 11 [2022-11-15 23:54:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:54:32,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2022-11-15 23:54:32,391 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 23:54:32,489 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 23:54:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:32,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:54:32,830 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:54:32,831 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 167 treesize of output 155 [2022-11-15 23:54:32,834 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 138 treesize of output 126 [2022-11-15 23:54:32,837 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 126 treesize of output 102 [2022-11-15 23:54:35,420 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 10 treesize of output 8 [2022-11-15 23:54:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:35,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801679625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:54:35,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:54:35,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 69 [2022-11-15 23:54:35,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452685556] [2022-11-15 23:54:35,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:54:35,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-15 23:54:35,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:54:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-15 23:54:35,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=4371, Unknown=0, NotChecked=0, Total=4692 [2022-11-15 23:54:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:35,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:54:35,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.898550724637682) internal successors, (476), 69 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:54:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:54:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:54:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:54:48,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-15 23:54:48,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:48,256 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:54:48,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:54:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2102676608, now seen corresponding path program 9 times [2022-11-15 23:54:48,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:54:48,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38098759] [2022-11-15 23:54:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:54:48,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:54:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:54:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:54:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:54:49,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38098759] [2022-11-15 23:54:49,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38098759] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:54:49,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188520005] [2022-11-15 23:54:49,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:54:49,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:54:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:54:49,521 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:54:49,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-15 23:54:49,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:54:49,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:54:49,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-15 23:54:49,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:54:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:54:50,373 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 23:54:50,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:54:50,447 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 23:54:50,539 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-15 23:54:50,540 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 23:54:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-15 23:54:50,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:54:50,607 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_951 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_951) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false [2022-11-15 23:54:50,618 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_951 (Array Int Int)) (v_ArrVal_950 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_950) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_951) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false [2022-11-15 23:54:50,642 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:54:50,642 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 167 treesize of output 155 [2022-11-15 23:54:50,647 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 138 treesize of output 114 [2022-11-15 23:54:50,649 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 114 treesize of output 102 [2022-11-15 23:54:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 3 not checked. [2022-11-15 23:54:51,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188520005] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:54:51,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:54:51,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 14, 14] total 46 [2022-11-15 23:54:51,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517337740] [2022-11-15 23:54:51,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:54:51,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-15 23:54:51,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:54:51,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-15 23:54:51,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1757, Unknown=2, NotChecked=170, Total=2070 [2022-11-15 23:54:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:51,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:54:51,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.521739130434783) internal successors, (438), 46 states have internal predecessors, (438), 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 23:54:51,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:51,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:51,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:51,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:51,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:54:51,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:54:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:54:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:54:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-15 23:54:59,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-11-15 23:54:59,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-15 23:54:59,428 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:54:59,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:54:59,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1787411788, now seen corresponding path program 5 times [2022-11-15 23:54:59,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:54:59,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056240397] [2022-11-15 23:54:59,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:54:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:54:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:55:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-15 23:55:00,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:55:00,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056240397] [2022-11-15 23:55:00,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056240397] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:55:00,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20800855] [2022-11-15 23:55:00,151 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:55:00,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:55:00,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:55:00,152 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:55:00,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-15 23:55:00,294 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-15 23:55:00,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:55:00,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-15 23:55:00,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:55:01,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:55:01,270 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:55:01,271 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 21 treesize of output 10 [2022-11-15 23:55:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-15 23:55:01,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:55:01,409 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-15 23:55:01,410 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 23:55:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-15 23:55:02,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20800855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:55:02,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:55:02,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 18] total 60 [2022-11-15 23:55:02,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142258941] [2022-11-15 23:55:02,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:55:02,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-15 23:55:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:55:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-15 23:55:02,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=2989, Unknown=0, NotChecked=0, Total=3540 [2022-11-15 23:55:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:02,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:55:02,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 7.9) internal successors, (474), 60 states have internal predecessors, (474), 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 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:55:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-15 23:55:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:10,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:55:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-15 23:55:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-15 23:55:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-11-15 23:55:10,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-15 23:55:10,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-15 23:55:10,547 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:55:10,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:55:10,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1597697450, now seen corresponding path program 6 times [2022-11-15 23:55:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:55:10,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668664902] [2022-11-15 23:55:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:55:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:55:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:55:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-15 23:55:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:55:11,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668664902] [2022-11-15 23:55:11,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668664902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:55:11,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25947043] [2022-11-15 23:55:11,428 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:55:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:55:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:55:11,431 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:55:11,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-15 23:55:11,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-15 23:55:11,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:55:11,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-15 23:55:11,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:55:12,315 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 24 treesize of output 8 [2022-11-15 23:55:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-15 23:55:12,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:55:12,599 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-15 23:55:12,600 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 38 treesize of output 21 [2022-11-15 23:55:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-15 23:55:14,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25947043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:55:14,051 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:55:14,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 19] total 57 [2022-11-15 23:55:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583769188] [2022-11-15 23:55:14,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:55:14,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-15 23:55:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:55:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-15 23:55:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=2781, Unknown=0, NotChecked=0, Total=3192 [2022-11-15 23:55:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:14,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:55:14,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 8.807017543859649) internal successors, (502), 57 states have internal predecessors, (502), 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 23:55:14,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:14,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:55:14,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:14,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-11-15 23:55:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:55:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:55:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-11-15 23:55:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-15 23:55:22,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-11-15 23:55:23,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:55:23,083 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:55:23,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:55:23,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1971615918, now seen corresponding path program 7 times [2022-11-15 23:55:23,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:55:23,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185854811] [2022-11-15 23:55:23,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:55:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:55:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:55:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:55:31,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:55:31,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185854811] [2022-11-15 23:55:31,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185854811] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:55:31,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681694371] [2022-11-15 23:55:31,312 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:55:31,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:55:31,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:55:31,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:55:31,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-15 23:55:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:55:31,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-15 23:55:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:55:35,961 INFO L321 Elim1Store]: treesize reduction 137, result has 2.1 percent of original size [2022-11-15 23:55:35,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 22 [2022-11-15 23:55:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:55:36,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:55:40,277 INFO L321 Elim1Store]: treesize reduction 158, result has 84.2 percent of original size [2022-11-15 23:55:40,277 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 183 treesize of output 909 [2022-11-15 23:55:45,455 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:55:53,207 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:55:54,655 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:55:59,859 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:56:03,292 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:56:04,616 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:56:22,873 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:56:40,552 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:26,507 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:26,933 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:27,083 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:30,759 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:31,007 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:57:31,118 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:38,759 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:57:39,609 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:57:39,731 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:01,770 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:07,000 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:13,308 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:58:18,229 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:20,983 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:58:30,890 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:37,028 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:41,913 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:58:47,542 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2022-11-15 23:58:52,868 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2022-11-15 23:58:58,533 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:59:01,704 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:59:01,986 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:04,715 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:07,993 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:59:10,928 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:59:12,907 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-15 23:59:19,925 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:24,029 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:24,205 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:26,586 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-15 23:59:47,990 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:05,617 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:08,671 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:08,802 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:13,910 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:14,086 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:25,339 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:28,799 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:28,962 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:34,719 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:34,908 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:45,979 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-16 00:00:46,278 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-16 00:00:46,538 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:46,748 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:00:56,955 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-16 00:00:57,107 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:01:05,256 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-16 00:01:05,579 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-16 00:01:05,863 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:01:06,088 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:01:59,231 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:02:07,947 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:02:08,143 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:02:10,894 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 00:02:19,301 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. Received shutdown request... [2022-11-16 00:04:57,787 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 00:04:57,787 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 00:04:57,787 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 00:04:57,812 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-11-16 00:04:57,814 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-16 00:04:57,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-16 00:04:58,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:04:58,020 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 228 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 11 for 50ms.. [2022-11-16 00:04:58,021 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-16 00:04:58,021 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-16 00:04:58,021 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-16 00:04:58,025 INFO L444 BasicCegarLoop]: Path program histogram: [9, 7, 3, 2, 1, 1, 1, 1, 1] [2022-11-16 00:04:58,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 00:04:58,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 00:04:58,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:04:58 BasicIcfg [2022-11-16 00:04:58,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 00:04:58,029 INFO L158 Benchmark]: Toolchain (without parser) took 843023.84ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 191.7MB in the beginning and 1.0GB in the end (delta: -821.4MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.25ms. Allocated memory is still 218.1MB. Free memory was 191.7MB in the beginning and 186.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.92ms. Allocated memory is still 218.1MB. Free memory was 186.1MB in the beginning and 183.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 218.1MB. Free memory was 183.9MB in the beginning and 181.9MB in the end (delta: 2.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: RCFGBuilder took 529.18ms. Allocated memory is still 218.1MB. Free memory was 181.9MB in the beginning and 148.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-11-16 00:04:58,029 INFO L158 Benchmark]: TraceAbstraction took 842214.58ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 147.8MB in the beginning and 1.0GB in the end (delta: -865.2MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-11-16 00:04:58,031 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 165.7MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.25ms. Allocated memory is still 218.1MB. Free memory was 191.7MB in the beginning and 186.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.92ms. Allocated memory is still 218.1MB. Free memory was 186.1MB in the beginning and 183.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 218.1MB. Free memory was 183.9MB in the beginning and 181.9MB in the end (delta: 2.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 529.18ms. Allocated memory is still 218.1MB. Free memory was 181.9MB in the beginning and 148.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 842214.58ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 147.8MB in the beginning and 1.0GB in the end (delta: -865.2MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4628524, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 694361, dependent conditional: 694333, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3936530, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 2367, dependent conditional: 2339, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3936530, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 2367, dependent conditional: 2339, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 51501, dependent unconditional: 10878, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 35172, dependent unconditional: 27207, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 35172, dependent unconditional: 27207, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3299, independent: 2418, independent conditional: 217, independent unconditional: 2201, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3299, independent: 2198, independent conditional: 0, independent unconditional: 2198, dependent: 1101, dependent conditional: 0, dependent unconditional: 1101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1101, independent: 220, independent conditional: 217, independent unconditional: 3, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1101, independent: 220, independent conditional: 217, independent unconditional: 3, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3599, independent: 426, independent conditional: 413, independent unconditional: 13, dependent: 2145, dependent conditional: 2023, dependent unconditional: 121, unknown: 1029, unknown conditional: 1029, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3996623, independent: 3931738, independent conditional: 8287, independent unconditional: 3923451, dependent: 61502, dependent conditional: 34323, dependent unconditional: 27179, unknown: 3383, unknown conditional: 1154, unknown unconditional: 2229] , Statistics on independence cache: Total cache size (in pairs): 3295, Positive cache size: 2418, Positive conditional cache size: 217, Positive unconditional cache size: 2201, Negative cache size: 877, Negative conditional cache size: 849, Negative unconditional cache size: 28, Unknown cache size: 4, Unknown conditional cache size: 4, Unknown unconditional cache size: 0, Eliminated conditions: 16329, Maximal queried relation: 23, Independence queries for same thread: 691994 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 3000, Number of trivial persistent sets: 2961, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2721, independent: 2693, independent conditional: 0, independent unconditional: 2693, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4628524, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 694361, dependent conditional: 694333, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3936530, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 2367, dependent conditional: 2339, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3936530, independent: 3934156, independent conditional: 3931463, independent unconditional: 2693, dependent: 2367, dependent conditional: 2339, dependent unconditional: 28, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 51501, dependent unconditional: 10878, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 35172, dependent unconditional: 27207, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3996623, independent: 3934156, independent conditional: 8504, independent unconditional: 3925652, dependent: 62379, dependent conditional: 35172, dependent unconditional: 27207, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3299, independent: 2418, independent conditional: 217, independent unconditional: 2201, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3299, independent: 2198, independent conditional: 0, independent unconditional: 2198, dependent: 1101, dependent conditional: 0, dependent unconditional: 1101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1101, independent: 220, independent conditional: 217, independent unconditional: 3, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1101, independent: 220, independent conditional: 217, independent unconditional: 3, dependent: 877, dependent conditional: 849, dependent unconditional: 28, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3599, independent: 426, independent conditional: 413, independent unconditional: 13, dependent: 2145, dependent conditional: 2023, dependent unconditional: 121, unknown: 1029, unknown conditional: 1029, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3996623, independent: 3931738, independent conditional: 8287, independent unconditional: 3923451, dependent: 61502, dependent conditional: 34323, dependent unconditional: 27179, unknown: 3383, unknown conditional: 1154, unknown unconditional: 2229] , Statistics on independence cache: Total cache size (in pairs): 3295, Positive cache size: 2418, Positive conditional cache size: 217, Positive unconditional cache size: 2201, Negative cache size: 877, Negative conditional cache size: 849, Negative unconditional cache size: 28, Unknown cache size: 4, Unknown conditional cache size: 4, Unknown unconditional cache size: 0, Eliminated conditions: 16329, Maximal queried relation: 23, Independence queries for same thread: 691994 - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 228 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 11 for 50ms.. - TimeoutResultAtElement [Line: 120]: 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 228 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 11 for 50ms.. - TimeoutResultAtElement [Line: 119]: 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 228 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 11 for 50ms.. - TimeoutResultAtElement [Line: 118]: 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 228 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 11 for 50ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 224 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 842.1s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 185.5s, 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: 1749, 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: 0.5s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 72.6s InterpolantComputationTime, 8764 NumberOfCodeBlocks, 8719 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 12395 ConstructedInterpolants, 297 QuantifiedInterpolants, 185944 SizeOfPredicates, 445 NumberOfNonLiveVariables, 9747 ConjunctsInSsa, 696 ConjunctsInUnsatCore, 65 InterpolantComputations, 6 PerfectInterpolantSequences, 606/1610 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