/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 08:07:24,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 08:07:24,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 08:07:24,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 08:07:24,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 08:07:24,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 08:07:24,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 08:07:24,666 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-Lockstep.epf [2021-06-17 08:07:24,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 08:07:24,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 08:07:24,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 08:07:24,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 08:07:24,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 08:07:24,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 08:07:24,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 08:07:24,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 08:07:24,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:07:24,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 08:07:24,697 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 08:07:24,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 08:07:25,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 08:07:25,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 08:07:25,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 08:07:25,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 08:07:25,096 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 08:07:25,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-06-17 08:07:25,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec773991/02190bf7cc6c49199ca9583cbf540d9a/FLAG25123f65d [2021-06-17 08:07:25,829 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 08:07:25,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-06-17 08:07:25,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec773991/02190bf7cc6c49199ca9583cbf540d9a/FLAG25123f65d [2021-06-17 08:07:26,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec773991/02190bf7cc6c49199ca9583cbf540d9a [2021-06-17 08:07:26,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 08:07:26,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 08:07:26,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 08:07:26,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 08:07:26,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 08:07:26,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b08c1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26, skipping insertion in model container [2021-06-17 08:07:26,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 08:07:26,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 08:07:26,535 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-17 08:07:26,661 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-06-17 08:07:26,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:07:26,679 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 08:07:26,704 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-17 08:07:26,716 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-06-17 08:07:26,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:07:26,810 INFO L208 MainTranslator]: Completed translation [2021-06-17 08:07:26,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26 WrapperNode [2021-06-17 08:07:26,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 08:07:26,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 08:07:26,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 08:07:26,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 08:07:26,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 08:07:26,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 08:07:26,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 08:07:26,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 08:07:26,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... [2021-06-17 08:07:26,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 08:07:26,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 08:07:26,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 08:07:26,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 08:07:26,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:07:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-06-17 08:07:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 08:07:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 08:07:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 08:07:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 08:07:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-06-17 08:07:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-06-17 08:07:27,121 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 08:07:27,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 08:07:27,747 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-17 08:07:27,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:07:27 BoogieIcfgContainer [2021-06-17 08:07:27,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 08:07:27,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 08:07:27,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 08:07:27,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 08:07:27,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 08:07:26" (1/3) ... [2021-06-17 08:07:27,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681fa9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:07:27, skipping insertion in model container [2021-06-17 08:07:27,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:07:26" (2/3) ... [2021-06-17 08:07:27,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681fa9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:07:27, skipping insertion in model container [2021-06-17 08:07:27,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:07:27" (3/3) ... [2021-06-17 08:07:27,754 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-06-17 08:07:27,765 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 08:07:27,765 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 08:07:27,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 08:07:27,766 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 08:07:27,822 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,822 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,822 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,822 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,822 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,823 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,824 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,824 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,824 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,825 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,827 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,827 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,827 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,827 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,828 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,828 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,828 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,828 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,828 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,829 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,830 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,830 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,830 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,830 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,830 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,832 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,832 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,832 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,832 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,834 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,835 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,838 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,839 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,839 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,839 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,839 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,840 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,840 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,840 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,840 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,841 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,842 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,842 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,844 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,844 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,844 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,844 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,854 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,856 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,857 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,857 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,857 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,857 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,857 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,858 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,858 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,859 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,860 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,862 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,862 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,862 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,863 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,863 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:07:27,887 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-17 08:07:27,910 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 08:07:27,958 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:07:27,958 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:07:27,958 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:07:27,958 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:07:27,958 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:07:27,958 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:07:27,958 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:07:27,958 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader======== [2021-06-17 08:07:42,547 INFO L301 ceAbstractionStarter]: Result for error location reader was SAFE (1/4) [2021-06-17 08:07:42,548 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 08:07:42,570 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:07:42,570 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:07:42,570 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:07:42,570 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:07:42,570 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:07:42,570 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:07:42,570 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:07:42,570 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == readerThread1of1ForFork2======== [2021-06-17 08:07:42,743 INFO L430 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:07:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:07:42,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1357436862, now seen corresponding path program 1 times [2021-06-17 08:07:42,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:07:42,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055976128] [2021-06-17 08:07:42,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:07:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:07:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:07:43,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:07:43,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055976128] [2021-06-17 08:07:43,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055976128] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:07:43,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:07:43,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:07:43,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108084738] [2021-06-17 08:07:43,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:07:43,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:07:43,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:07:43,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:07:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:43,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:07:43,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2021-06-17 08:07:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:43,580 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-17 08:07:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:07:43,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 08:07:43,694 INFO L430 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:07:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:07:43,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1703756135, now seen corresponding path program 1 times [2021-06-17 08:07:43,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:07:43,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792472377] [2021-06-17 08:07:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:07:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:07:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:07:43,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:07:43,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792472377] [2021-06-17 08:07:43,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792472377] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:07:43,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:07:43,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:07:43,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146884297] [2021-06-17 08:07:43,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:07:43,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:07:43,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:07:43,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:07:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:43,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:07:43,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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) [2021-06-17 08:07:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:07:43,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:07:44,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 08:07:44,721 INFO L430 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:07:44,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:07:44,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1984734381, now seen corresponding path program 1 times [2021-06-17 08:07:44,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:07:44,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378780659] [2021-06-17 08:07:44,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:07:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:07:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:07:44,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:07:44,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378780659] [2021-06-17 08:07:44,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378780659] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:07:44,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:07:44,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:07:44,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012198661] [2021-06-17 08:07:44,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:07:44,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:07:44,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:07:44,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:07:44,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:44,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:07:44,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-06-17 08:07:44,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:44,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:07:44,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:07:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:48,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 08:07:48,228 INFO L430 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:07:48,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:07:48,231 INFO L82 PathProgramCache]: Analyzing trace with hash -727960976, now seen corresponding path program 1 times [2021-06-17 08:07:48,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:07:48,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305932607] [2021-06-17 08:07:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:07:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:07:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:07:48,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:07:48,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305932607] [2021-06-17 08:07:48,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305932607] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:07:48,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:07:48,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:07:48,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239119461] [2021-06-17 08:07:48,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:07:48,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:07:48,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:07:48,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:07:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:07:48,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:07:48,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-06-17 08:07:48,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:07:48,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:48,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 08:07:48,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:08,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 08:08:08,515 INFO L430 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:08:08,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:08:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash 475699666, now seen corresponding path program 2 times [2021-06-17 08:08:08,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:08:08,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279803486] [2021-06-17 08:08:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:08:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:08:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:08:09,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:08:09,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279803486] [2021-06-17 08:08:09,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279803486] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:08:09,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:08:09,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-06-17 08:08:09,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472943751] [2021-06-17 08:08:09,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 08:08:09,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:08:09,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 08:08:09,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-06-17 08:08:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:09,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:08:09,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.8) internal successors, (76), 20 states have internal predecessors, (76), 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) [2021-06-17 08:08:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:09,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:20,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-17 08:08:20,355 INFO L430 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:08:20,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:08:20,356 INFO L82 PathProgramCache]: Analyzing trace with hash -910322314, now seen corresponding path program 3 times [2021-06-17 08:08:20,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:08:20,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700492263] [2021-06-17 08:08:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:08:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:08:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:08:20,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:08:20,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700492263] [2021-06-17 08:08:20,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700492263] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:08:20,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:08:20,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-17 08:08:20,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498780308] [2021-06-17 08:08:20,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 08:08:20,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:08:20,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 08:08:20,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-06-17 08:08:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:20,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:08:20,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 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) [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:20,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:32,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-17 08:08:32,491 INFO L430 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:08:32,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:08:32,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2073397189, now seen corresponding path program 1 times [2021-06-17 08:08:32,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:08:32,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170969378] [2021-06-17 08:08:32,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:08:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:08:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:08:32,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:08:32,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170969378] [2021-06-17 08:08:32,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170969378] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:08:32,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:08:32,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-17 08:08:32,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072064393] [2021-06-17 08:08:32,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 08:08:32,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:08:32,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 08:08:32,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-17 08:08:32,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:32,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:08:32,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 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) [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:32,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:08:45,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-17 08:08:45,495 INFO L430 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:08:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:08:45,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1875802298, now seen corresponding path program 1 times [2021-06-17 08:08:45,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:08:45,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768556359] [2021-06-17 08:08:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:08:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:08:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:08:45,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:08:45,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768556359] [2021-06-17 08:08:45,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768556359] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:08:45,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:08:45,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-17 08:08:45,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057817933] [2021-06-17 08:08:45,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 08:08:45,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:08:45,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 08:08:45,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-17 08:08:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:45,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:08:45,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 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) [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:08:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:08:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:08:57,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-17 08:08:57,808 INFO L430 AbstractCegarLoop]: === Iteration 9 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:08:57,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:08:57,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1520505529, now seen corresponding path program 1 times [2021-06-17 08:08:57,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:08:57,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648268228] [2021-06-17 08:08:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:08:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:08:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:08:57,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:08:57,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648268228] [2021-06-17 08:08:57,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648268228] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:08:57,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:08:57,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 08:08:57,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751037516] [2021-06-17 08:08:57,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 08:08:57,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:08:57,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 08:08:57,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 08:08:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:08:57,840 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:08:57,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:08:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 08:09:02,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-17 08:09:02,998 INFO L430 AbstractCegarLoop]: === Iteration 10 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:02,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:02,998 INFO L82 PathProgramCache]: Analyzing trace with hash -895566512, now seen corresponding path program 1 times [2021-06-17 08:09:02,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:02,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229020173] [2021-06-17 08:09:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:03,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:03,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229020173] [2021-06-17 08:09:03,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229020173] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:03,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:03,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-17 08:09:03,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728211607] [2021-06-17 08:09:03,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 08:09:03,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:03,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 08:09:03,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-06-17 08:09:03,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:03,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:03,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 16 states have internal predecessors, (78), 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) [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 08:09:03,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:09:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:09:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 08:09:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 08:09:09,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-17 08:09:09,208 INFO L430 AbstractCegarLoop]: === Iteration 11 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:09,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2127903099, now seen corresponding path program 1 times [2021-06-17 08:09:09,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:09,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644389640] [2021-06-17 08:09:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:09,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:09,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644389640] [2021-06-17 08:09:09,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644389640] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:09,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:09,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:09:09,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652038725] [2021-06-17 08:09:09,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:09:09,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:09,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:09:09,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:09:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:09,290 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:09,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 08:09:09,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 08:09:16,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:16,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-17 08:09:16,528 INFO L430 AbstractCegarLoop]: === Iteration 12 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash -638355143, now seen corresponding path program 2 times [2021-06-17 08:09:16,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:16,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274629762] [2021-06-17 08:09:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-17 08:09:16,573 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-17 08:09:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-17 08:09:16,585 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-17 08:09:16,732 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-17 08:09:16,732 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-17 08:09:16,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-17 08:09:16,737 INFO L301 ceAbstractionStarter]: Result for error location readerThread1of1ForFork2 was UNSAFE (2/4) [2021-06-17 08:09:16,742 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-17 08:09:16,758 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:09:16,758 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:09:16,758 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:09:16,758 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:09:16,758 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:09:16,758 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:09:16,758 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:09:16,759 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == readerThread1of1ForFork3======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 08:09:16,819 INFO L430 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:16,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1253962345, now seen corresponding path program 1 times [2021-06-17 08:09:16,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:16,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883589103] [2021-06-17 08:09:16,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:16,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:16,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883589103] [2021-06-17 08:09:16,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883589103] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:16,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:16,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:09:16,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228487368] [2021-06-17 08:09:16,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:09:16,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:09:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:09:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:16,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:16,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-06-17 08:09:16,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 08:09:17,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-17 08:09:17,413 INFO L430 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:17,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:17,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1674698160, now seen corresponding path program 1 times [2021-06-17 08:09:17,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:17,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703687453] [2021-06-17 08:09:17,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:17,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:17,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703687453] [2021-06-17 08:09:17,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703687453] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:17,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:17,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:09:17,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746874337] [2021-06-17 08:09:17,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:09:17,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:17,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:09:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:09:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:17,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:17,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2021-06-17 08:09:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 08:09:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 08:09:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:18,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-17 08:09:18,207 INFO L430 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:18,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:18,207 INFO L82 PathProgramCache]: Analyzing trace with hash -114550879, now seen corresponding path program 1 times [2021-06-17 08:09:18,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:18,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482443236] [2021-06-17 08:09:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:18,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:18,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482443236] [2021-06-17 08:09:18,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482443236] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:18,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:18,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:09:18,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921351004] [2021-06-17 08:09:18,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:09:18,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:09:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:09:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:18,255 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:18,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-06-17 08:09:18,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 08:09:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:18,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:19,156 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-17 08:09:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:19,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-17 08:09:19,335 INFO L430 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:19,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:19,357 INFO L82 PathProgramCache]: Analyzing trace with hash -2009277999, now seen corresponding path program 1 times [2021-06-17 08:09:19,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:19,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874419878] [2021-06-17 08:09:19,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:19,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:19,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874419878] [2021-06-17 08:09:19,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874419878] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:19,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:19,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:09:19,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155015623] [2021-06-17 08:09:19,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:09:19,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:09:19,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:09:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:19,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:19,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-06-17 08:09:19,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:19,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:19,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:19,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:28,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 08:09:28,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-17 08:09:28,706 INFO L430 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:09:28,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:09:28,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1961457891, now seen corresponding path program 2 times [2021-06-17 08:09:28,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:09:28,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249546688] [2021-06-17 08:09:28,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:09:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:09:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:09:28,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:09:28,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249546688] [2021-06-17 08:09:28,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249546688] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:09:28,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:09:28,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 08:09:28,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574601342] [2021-06-17 08:09:28,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 08:09:28,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:09:28,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 08:09:28,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 08:09:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:09:28,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:09:28,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-06-17 08:09:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:09:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 08:09:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 08:09:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.