/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 09:47:16,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 09:47:16,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 09:47:16,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 09:47:16,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 09:47:16,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 09:47:16,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 09:47:16,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 09:47:16,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 09:47:16,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 09:47:16,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 09:47:16,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 09:47:16,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 09:47:16,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 09:47:16,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 09:47:16,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 09:47:16,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 09:47:16,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 09:47:16,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 09:47:16,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 09:47:16,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 09:47:16,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 09:47:16,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 09:47:16,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 09:47:16,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 09:47:16,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 09:47:16,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 09:47:16,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 09:47:16,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 09:47:16,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 09:47:16,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 09:47:16,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 09:47:16,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 09:47:16,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 09:47:16,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 09:47:16,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 09:47:16,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 09:47:16,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 09:47:16,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 09:47:16,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 09:47:16,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 09:47:16,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 09:47:16,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 09:47:16,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 09:47:16,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 09:47:16,916 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 09:47:16,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 09:47:16,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 09:47:16,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 09:47:16,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 09:47:16,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:47:16,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 09:47:16,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 09:47:16,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 09:47:16,920 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 09:47:16,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 09:47:17,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 09:47:17,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 09:47:17,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 09:47:17,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 09:47:17,164 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 09:47:17,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2021-11-14 09:47:17,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f609ae5/723639740d7b40f690a5bc2b7c90fa00/FLAG7abbf6c35 [2021-11-14 09:47:17,643 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 09:47:17,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2021-11-14 09:47:17,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f609ae5/723639740d7b40f690a5bc2b7c90fa00/FLAG7abbf6c35 [2021-11-14 09:47:18,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f609ae5/723639740d7b40f690a5bc2b7c90fa00 [2021-11-14 09:47:18,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 09:47:18,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 09:47:18,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 09:47:18,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 09:47:18,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 09:47:18,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8457a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18, skipping insertion in model container [2021-11-14 09:47:18,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 09:47:18,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 09:47:18,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2021-11-14 09:47:18,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:47:18,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 09:47:18,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2021-11-14 09:47:18,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 09:47:18,293 INFO L208 MainTranslator]: Completed translation [2021-11-14 09:47:18,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18 WrapperNode [2021-11-14 09:47:18,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 09:47:18,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 09:47:18,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 09:47:18,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 09:47:18,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 09:47:18,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 09:47:18,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 09:47:18,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 09:47:18,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 09:47:18,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 09:47:18,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 09:47:18,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 09:47:18,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (1/1) ... [2021-11-14 09:47:18,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 09:47:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:18,379 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) [2021-11-14 09:47:18,400 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 [2021-11-14 09:47:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 09:47:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 09:47:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 09:47:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 09:47:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 09:47:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 09:47:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 09:47:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 09:47:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 09:47:18,429 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 09:47:18,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 09:47:18,881 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-14 09:47:18,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:47:18 BoogieIcfgContainer [2021-11-14 09:47:18,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 09:47:18,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 09:47:18,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 09:47:18,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 09:47:18,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 09:47:18" (1/3) ... [2021-11-14 09:47:18,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12572bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:47:18, skipping insertion in model container [2021-11-14 09:47:18,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 09:47:18" (2/3) ... [2021-11-14 09:47:18,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12572bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 09:47:18, skipping insertion in model container [2021-11-14 09:47:18,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 09:47:18" (3/3) ... [2021-11-14 09:47:18,890 INFO L111 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2021-11-14 09:47:18,893 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 09:47:18,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 09:47:18,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 09:47:18,894 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 09:47:18,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,950 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,959 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,960 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,961 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,981 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,981 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,981 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,986 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 09:47:18,996 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 09:47:19,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 09:47:19,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:19,064 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) [2021-11-14 09:47:19,071 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 [2021-11-14 09:47:19,102 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 09:47:19,108 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 09:47:19,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 09:47:19,286 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:19,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:19,291 INFO L85 PathProgramCache]: Analyzing trace with hash 370202275, now seen corresponding path program 1 times [2021-11-14 09:47:19,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:19,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287841769] [2021-11-14 09:47:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:19,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:19,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:19,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287841769] [2021-11-14 09:47:19,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287841769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:19,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:19,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 09:47:19,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248687109] [2021-11-14 09:47:19,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:19,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 09:47:19,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 09:47:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 09:47:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:19,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:19,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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) [2021-11-14 09:47:19,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:19,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 09:47:19,565 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:19,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:19,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2054505156, now seen corresponding path program 1 times [2021-11-14 09:47:19,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:19,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324825611] [2021-11-14 09:47:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:19,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:19,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:19,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324825611] [2021-11-14 09:47:19,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324825611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:19,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:19,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 09:47:19,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832116358] [2021-11-14 09:47:19,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:19,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 09:47:19,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:19,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 09:47:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-14 09:47:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:19,959 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:19,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 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) [2021-11-14 09:47:19,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:19,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:20,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 09:47:20,119 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1139174881, now seen corresponding path program 1 times [2021-11-14 09:47:20,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:20,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127727558] [2021-11-14 09:47:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:20,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:20,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:20,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127727558] [2021-11-14 09:47:20,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127727558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:20,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:20,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-14 09:47:20,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350987127] [2021-11-14 09:47:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:20,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 09:47:20,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:20,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 09:47:20,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-14 09:47:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:20,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.3) internal successors, (193), 10 states have internal predecessors, (193), 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) [2021-11-14 09:47:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:20,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 09:47:20,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:20,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:20,788 INFO L85 PathProgramCache]: Analyzing trace with hash -9351886, now seen corresponding path program 1 times [2021-11-14 09:47:20,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:20,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607897330] [2021-11-14 09:47:20,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:20,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:21,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:21,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607897330] [2021-11-14 09:47:21,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607897330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:21,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:21,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:47:21,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103210760] [2021-11-14 09:47:21,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:21,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:47:21,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:21,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:47:21,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:47:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,031 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:21,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 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) [2021-11-14 09:47:21,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:21,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 09:47:21,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1593282747, now seen corresponding path program 1 times [2021-11-14 09:47:21,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:21,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300465841] [2021-11-14 09:47:21,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:21,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:21,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:21,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300465841] [2021-11-14 09:47:21,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300465841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:21,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:21,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 09:47:21,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839495700] [2021-11-14 09:47:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:21,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:21,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:21,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-14 09:47:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:21,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 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) [2021-11-14 09:47:21,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:21,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 09:47:21,469 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:21,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:21,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1439307641, now seen corresponding path program 1 times [2021-11-14 09:47:21,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:21,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301017801] [2021-11-14 09:47:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:21,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:21,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:21,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301017801] [2021-11-14 09:47:21,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301017801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:21,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:21,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 09:47:21,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532418771] [2021-11-14 09:47:21,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:21,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:21,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-14 09:47:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:21,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.5) internal successors, (196), 8 states have internal predecessors, (196), 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) [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:21,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:21,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-14 09:47:21,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:21,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:21,731 INFO L85 PathProgramCache]: Analyzing trace with hash 720782412, now seen corresponding path program 1 times [2021-11-14 09:47:21,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:21,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49530691] [2021-11-14 09:47:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:21,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:21,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49530691] [2021-11-14 09:47:21,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49530691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:21,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:21,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 09:47:21,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594020755] [2021-11-14 09:47:21,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:21,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 09:47:21,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 09:47:21,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 09:47:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,803 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:21,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 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) [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:21,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:22,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-14 09:47:22,206 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:22,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:22,207 INFO L85 PathProgramCache]: Analyzing trace with hash -385224224, now seen corresponding path program 1 times [2021-11-14 09:47:22,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:22,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809133574] [2021-11-14 09:47:22,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:22,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:47:22,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:22,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809133574] [2021-11-14 09:47:22,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809133574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:22,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:22,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:47:22,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666126580] [2021-11-14 09:47:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:22,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:47:22,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:22,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:47:22,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:47:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:22,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:22,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:22,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:22,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:22,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-14 09:47:22,508 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:22,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1685143331, now seen corresponding path program 1 times [2021-11-14 09:47:22,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:22,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651207907] [2021-11-14 09:47:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:22,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:22,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:22,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651207907] [2021-11-14 09:47:22,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651207907] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:22,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642314179] [2021-11-14 09:47:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:22,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:22,848 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) [2021-11-14 09:47:22,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 09:47:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:22,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 09:47:22,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:23,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:24,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642314179] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:24,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 09:47:24,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8] total 18 [2021-11-14 09:47:24,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169755871] [2021-11-14 09:47:24,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:24,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:24,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:24,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:24,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-11-14 09:47:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:24,396 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:24,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 8 states have internal predecessors, (203), 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) [2021-11-14 09:47:24,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:24,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:24,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-14 09:47:24,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-14 09:47:24,773 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1312231248, now seen corresponding path program 1 times [2021-11-14 09:47:24,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:24,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142082098] [2021-11-14 09:47:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:24,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 09:47:24,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:24,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142082098] [2021-11-14 09:47:24,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142082098] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:24,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845041467] [2021-11-14 09:47:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:24,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:24,904 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) [2021-11-14 09:47:24,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 09:47:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:25,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 09:47:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:47:25,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 09:47:25,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845041467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:25,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 09:47:25,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2021-11-14 09:47:25,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519539857] [2021-11-14 09:47:25,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:25,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:25,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:25,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:25,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-14 09:47:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:25,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:25,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.125) internal successors, (209), 8 states have internal predecessors, (209), 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) [2021-11-14 09:47:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:25,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:25,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:25,970 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:25,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:25,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1787368619, now seen corresponding path program 1 times [2021-11-14 09:47:25,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:25,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098027334] [2021-11-14 09:47:25,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:25,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:47:26,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:26,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098027334] [2021-11-14 09:47:26,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098027334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:26,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:26,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-14 09:47:26,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353800438] [2021-11-14 09:47:26,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:26,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-14 09:47:26,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-14 09:47:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-14 09:47:26,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:26,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 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) [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:26,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-14 09:47:26,777 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:26,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:26,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1872124220, now seen corresponding path program 1 times [2021-11-14 09:47:26,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:26,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323979697] [2021-11-14 09:47:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:26,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:47:26,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:26,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323979697] [2021-11-14 09:47:26,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323979697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:26,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:26,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 09:47:26,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890337615] [2021-11-14 09:47:26,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:26,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 09:47:26,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:26,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 09:47:26,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-14 09:47:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:26,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:26,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:26,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:27,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-14 09:47:27,302 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:27,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2133989626, now seen corresponding path program 1 times [2021-11-14 09:47:27,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:27,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245884876] [2021-11-14 09:47:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:27,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 09:47:27,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:27,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245884876] [2021-11-14 09:47:27,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245884876] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:27,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475644265] [2021-11-14 09:47:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:27,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:27,407 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) [2021-11-14 09:47:27,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 09:47:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:27,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 09:47:27,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 09:47:28,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 09:47:28,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475644265] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:28,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 09:47:28,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8] total 18 [2021-11-14 09:47:28,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641157274] [2021-11-14 09:47:28,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:28,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:28,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:28,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:28,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-11-14 09:47:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:28,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:28,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:28,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:28,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:29,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:29,331 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:29,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:29,331 INFO L85 PathProgramCache]: Analyzing trace with hash 123358818, now seen corresponding path program 1 times [2021-11-14 09:47:29,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:29,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482517014] [2021-11-14 09:47:29,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:29,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:29,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:29,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482517014] [2021-11-14 09:47:29,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482517014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 09:47:29,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 09:47:29,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 09:47:29,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598891171] [2021-11-14 09:47:29,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:29,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 09:47:29,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:29,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 09:47:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 09:47:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:29,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 09:47:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:47:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:29,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:29,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:29,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-14 09:47:29,903 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1916202348, now seen corresponding path program 1 times [2021-11-14 09:47:29,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:29,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752892355] [2021-11-14 09:47:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:29,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:30,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:30,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752892355] [2021-11-14 09:47:30,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752892355] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:30,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559615424] [2021-11-14 09:47:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:30,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:30,052 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) [2021-11-14 09:47:30,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 09:47:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:30,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 09:47:30,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:31,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:32,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559615424] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:32,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 09:47:32,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10, 11] total 27 [2021-11-14 09:47:32,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414178274] [2021-11-14 09:47:32,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:32,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-14 09:47:32,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:32,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-14 09:47:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2021-11-14 09:47:32,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:32,108 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:32,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.818181818181817) internal successors, (229), 11 states have internal predecessors, (229), 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) [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:32,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 09:47:32,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:32,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-14 09:47:32,656 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash 983913618, now seen corresponding path program 1 times [2021-11-14 09:47:32,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:32,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128779452] [2021-11-14 09:47:32,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:32,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:32,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:32,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128779452] [2021-11-14 09:47:32,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128779452] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:32,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722000402] [2021-11-14 09:47:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:32,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:32,771 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) [2021-11-14 09:47:32,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 09:47:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:32,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 09:47:32,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:33,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:34,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722000402] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:34,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 09:47:34,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10, 11] total 25 [2021-11-14 09:47:34,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640569484] [2021-11-14 09:47:34,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:34,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-14 09:47:34,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:34,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-14 09:47:34,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2021-11-14 09:47:34,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:34,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:34,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.09090909090909) internal successors, (232), 11 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 09:47:34,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:34,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:34,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 09:47:34,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 09:47:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:35,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:35,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-14 09:47:35,284 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:35,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:35,284 INFO L85 PathProgramCache]: Analyzing trace with hash -904508383, now seen corresponding path program 1 times [2021-11-14 09:47:35,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:35,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881383794] [2021-11-14 09:47:35,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:35,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:35,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:35,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881383794] [2021-11-14 09:47:35,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881383794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:35,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163792156] [2021-11-14 09:47:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:35,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:35,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:35,409 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) [2021-11-14 09:47:35,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 09:47:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:35,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 09:47:35,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:36,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:36,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163792156] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:36,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 09:47:36,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8] total 18 [2021-11-14 09:47:36,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683954320] [2021-11-14 09:47:36,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 09:47:36,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 09:47:36,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:36,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 09:47:36,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-11-14 09:47:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:36,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:36,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.625) internal successors, (229), 8 states have internal predecessors, (229), 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) [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:36,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 09:47:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:37,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:37,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:37,254 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:37,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:37,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1365817857, now seen corresponding path program 1 times [2021-11-14 09:47:37,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:37,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647784876] [2021-11-14 09:47:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:37,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:37,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:37,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647784876] [2021-11-14 09:47:37,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647784876] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:37,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988616054] [2021-11-14 09:47:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:37,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:37,423 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) [2021-11-14 09:47:37,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 09:47:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:37,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-14 09:47:37,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:38,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:38,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988616054] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:47:38,918 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:47:38,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 30 [2021-11-14 09:47:38,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803826385] [2021-11-14 09:47:38,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:47:38,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-14 09:47:38,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:38,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-14 09:47:38,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=747, Unknown=0, NotChecked=0, Total=870 [2021-11-14 09:47:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:38,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:38,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 19.166666666666668) internal successors, (575), 30 states have internal predecessors, (575), 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) [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 09:47:39,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:39,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-14 09:47:39,877 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:39,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:39,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1031182804, now seen corresponding path program 1 times [2021-11-14 09:47:39,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:39,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542853007] [2021-11-14 09:47:39,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:39,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:40,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:40,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542853007] [2021-11-14 09:47:40,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542853007] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:40,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023448746] [2021-11-14 09:47:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:40,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:40,078 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) [2021-11-14 09:47:40,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-14 09:47:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:40,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-14 09:47:40,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:41,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-14 09:47:42,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023448746] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:47:42,091 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:47:42,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 26 [2021-11-14 09:47:42,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412424506] [2021-11-14 09:47:42,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:47:42,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-14 09:47:42,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:47:42,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-14 09:47:42,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2021-11-14 09:47:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:42,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:47:42,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 24.5) internal successors, (637), 26 states have internal predecessors, (637), 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) [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:42,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:42,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:42,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:42,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 09:47:42,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:47:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:47:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 09:47:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 09:47:42,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-14 09:47:43,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:43,092 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:47:43,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:47:43,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1675008173, now seen corresponding path program 1 times [2021-11-14 09:47:43,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:47:43,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053920989] [2021-11-14 09:47:43,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:43,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:47:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:44,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:47:44,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053920989] [2021-11-14 09:47:44,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053920989] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:47:44,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939024385] [2021-11-14 09:47:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:47:44,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:47:44,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:47:44,951 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) [2021-11-14 09:47:44,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-14 09:47:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:47:45,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-14 09:47:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:47:49,198 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-14 09:47:49,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 40 [2021-11-14 09:47:49,887 INFO L354 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2021-11-14 09:47:49,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 50 [2021-11-14 09:47:49,995 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-14 09:47:49,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2021-11-14 09:47:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:47:50,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:47:59,569 INFO L354 Elim1Store]: treesize reduction 51, result has 81.6 percent of original size [2021-11-14 09:47:59,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 627 treesize of output 740 [2021-11-14 09:48:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:48:26,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939024385] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:48:26,627 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:48:26,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32, 32] total 85 [2021-11-14 09:48:26,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783047441] [2021-11-14 09:48:26,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:48:26,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2021-11-14 09:48:26,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:48:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-11-14 09:48:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=6609, Unknown=2, NotChecked=0, Total=7140 [2021-11-14 09:48:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:26,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:48:26,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 6.223529411764706) internal successors, (529), 85 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) [2021-11-14 09:48:26,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:26,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 09:48:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 09:48:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:48:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 09:48:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-14 09:48:30,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-14 09:48:30,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:48:30,223 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:48:30,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:48:30,224 INFO L85 PathProgramCache]: Analyzing trace with hash 687812451, now seen corresponding path program 2 times [2021-11-14 09:48:30,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:48:30,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472176860] [2021-11-14 09:48:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:48:30,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:48:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:48:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-14 09:48:30,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:48:30,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472176860] [2021-11-14 09:48:30,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472176860] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:48:30,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249768725] [2021-11-14 09:48:30,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 09:48:30,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:48:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:48:30,341 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) [2021-11-14 09:48:30,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-14 09:48:30,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 09:48:30,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 09:48:30,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 09:48:30,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:48:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:48:31,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:48:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:48:31,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249768725] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 09:48:31,706 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 09:48:31,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 33 [2021-11-14 09:48:31,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572271519] [2021-11-14 09:48:31,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 09:48:31,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-14 09:48:31,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 09:48:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-14 09:48:31,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056 [2021-11-14 09:48:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:31,708 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 09:48:31,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 17.424242424242426) internal successors, (575), 33 states have internal predecessors, (575), 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) [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:31,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-14 09:48:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 09:48:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-14 09:48:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-14 09:48:32,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-14 09:48:33,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-14 09:48:33,023 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 09:48:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 09:48:33,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1361851848, now seen corresponding path program 1 times [2021-11-14 09:48:33,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 09:48:33,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036464746] [2021-11-14 09:48:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:48:33,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 09:48:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:48:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 09:48:34,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 09:48:34,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036464746] [2021-11-14 09:48:34,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036464746] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 09:48:34,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217764208] [2021-11-14 09:48:34,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 09:48:34,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 09:48:34,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 09:48:34,999 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) [2021-11-14 09:48:35,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-14 09:48:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 09:48:35,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-14 09:48:35,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 09:48:35,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 09:48:35,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 09:48:35,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-14 09:48:38,989 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-14 09:48:38,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 35 [2021-11-14 09:48:39,411 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-14 09:48:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 35 [2021-11-14 09:48:41,360 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-11-14 09:48:41,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 37 [2021-11-14 09:48:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 09:48:41,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 09:50:07,368 INFO L354 Elim1Store]: treesize reduction 40, result has 85.6 percent of original size [2021-11-14 09:50:07,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1367 treesize of output 1395 Received shutdown request... [2021-11-14 10:00:54,592 WARN L243 SmtUtils]: Removed 1 from assertion stack [2021-11-14 10:00:54,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-14 10:00:54,617 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 10:00:54,617 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 [2021-11-14 10:00:54,618 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 [2021-11-14 10:00:54,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-14 10:00:54,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-14 10:00:54,818 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 240 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 16ms.. [2021-11-14 10:00:54,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-14 10:00:54,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-14 10:00:54,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-14 10:00:54,825 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-14 10:00:54,827 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 10:00:54,827 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 10:00:54,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:00:54 BasicIcfg [2021-11-14 10:00:54,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 10:00:54,831 INFO L158 Benchmark]: Toolchain (without parser) took 816793.43ms. Allocated memory was 381.7MB in the beginning and 671.1MB in the end (delta: 289.4MB). Free memory was 323.2MB in the beginning and 192.4MB in the end (delta: 130.8MB). Peak memory consumption was 455.4MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,831 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 381.7MB. Free memory is still 339.7MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:00:54,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.46ms. Allocated memory was 381.7MB in the beginning and 459.3MB in the end (delta: 77.6MB). Free memory was 323.0MB in the beginning and 427.4MB in the end (delta: -104.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 459.3MB. Free memory was 427.4MB in the beginning and 425.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,832 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 459.3MB. Free memory was 425.3MB in the beginning and 423.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,832 INFO L158 Benchmark]: RCFGBuilder took 529.38ms. Allocated memory is still 459.3MB. Free memory was 423.2MB in the beginning and 402.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,832 INFO L158 Benchmark]: TraceAbstraction took 815945.63ms. Allocated memory was 459.3MB in the beginning and 671.1MB in the end (delta: 211.8MB). Free memory was 402.5MB in the beginning and 192.4MB in the end (delta: 210.2MB). Peak memory consumption was 457.6MB. Max. memory is 16.0GB. [2021-11-14 10:00:54,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 381.7MB. Free memory is still 339.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 253.46ms. Allocated memory was 381.7MB in the beginning and 459.3MB in the end (delta: 77.6MB). Free memory was 323.0MB in the beginning and 427.4MB in the end (delta: -104.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 459.3MB. Free memory was 427.4MB in the beginning and 425.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 459.3MB. Free memory was 425.3MB in the beginning and 423.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 529.38ms. Allocated memory is still 459.3MB. Free memory was 423.2MB in the beginning and 402.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 815945.63ms. Allocated memory was 459.3MB in the beginning and 671.1MB in the end (delta: 211.8MB). Free memory was 402.5MB in the beginning and 192.4MB in the end (delta: 210.2MB). Peak memory consumption was 457.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40069, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 3461, negative conditional: 3442, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36789, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 181, negative conditional: 162, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36789, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 181, negative conditional: 162, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 33564, positive unconditional: 3044, negative: 1447, negative conditional: 1266, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 11554, positive unconditional: 25054, negative: 1447, negative conditional: 278, negative unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 11554, positive unconditional: 25054, negative: 1447, negative conditional: 278, negative unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2694, positive: 2639, positive conditional: 14, positive unconditional: 2625, negative: 55, negative conditional: 36, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2694, positive: 2639, positive conditional: 0, positive unconditional: 2639, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 35, negative unconditional: 19, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 56, negative unconditional: 72, unknown: 397, unknown conditional: 397, unknown unconditional: 0] ], Cache Queries: [ total: 38055, positive: 33969, positive conditional: 11540, positive unconditional: 22429, negative: 1392, negative conditional: 242, negative unconditional: 1150, unknown: 2694, unknown conditional: 50, unknown unconditional: 2644] , Statistics on independence cache: Total cache size (in pairs): 2694, Positive cache size: 2639, Positive conditional cache size: 14, Positive unconditional cache size: 2625, Negative cache size: 55, Negative conditional cache size: 36, Negative unconditional cache size: 19, Eliminated conditions: 22998, Maximal queried relation: 10, Independence queries for same thread: 3280 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 215.67ms, Number of persistent set computation: 979, Number of trivial persistent sets: 871, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3012, positive: 2993, positive conditional: 0, positive unconditional: 2993, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40069, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 3461, negative conditional: 3442, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36789, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 181, negative conditional: 162, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36789, positive: 36608, positive conditional: 33615, positive unconditional: 2993, negative: 181, negative conditional: 162, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 33564, positive unconditional: 3044, negative: 1447, negative conditional: 1266, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 11554, positive unconditional: 25054, negative: 1447, negative conditional: 278, negative unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38055, positive: 36608, positive conditional: 11554, positive unconditional: 25054, negative: 1447, negative conditional: 278, negative unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2694, positive: 2639, positive conditional: 14, positive unconditional: 2625, negative: 55, negative conditional: 36, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2694, positive: 2639, positive conditional: 0, positive unconditional: 2639, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 35, negative unconditional: 19, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 128, negative conditional: 56, negative unconditional: 72, unknown: 397, unknown conditional: 397, unknown unconditional: 0] ], Cache Queries: [ total: 38055, positive: 33969, positive conditional: 11540, positive unconditional: 22429, negative: 1392, negative conditional: 242, negative unconditional: 1150, unknown: 2694, unknown conditional: 50, unknown unconditional: 2644] , Statistics on independence cache: Total cache size (in pairs): 2694, Positive cache size: 2639, Positive conditional cache size: 14, Positive unconditional cache size: 2625, Negative cache size: 55, Negative conditional cache size: 36, Negative unconditional cache size: 19, Eliminated conditions: 22998, Maximal queried relation: 10, Independence queries for same thread: 3280 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 240 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 16ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 240 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 16ms.. - TimeoutResultAtElement [Line: 94]: 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 240 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 16ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 240 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 16ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 322 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 815.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 10.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 326, 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: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 59.1s InterpolantComputationTime, 6772 NumberOfCodeBlocks, 6772 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 8812 ConstructedInterpolants, 49 QuantifiedInterpolants, 58440 SizeOfPredicates, 122 NumberOfNonLiveVariables, 4368 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 40 InterpolantComputations, 17 PerfectInterpolantSequences, 187/217 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