/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 22:06:01,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 22:06:01,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 22:06:01,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 22:06:01,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 22:06:01,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 22:06:01,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 22:06:01,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 22:06:01,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 22:06:01,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 22:06:01,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 22:06:01,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 22:06:01,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 22:06:01,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 22:06:01,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 22:06:01,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 22:06:01,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 22:06:01,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 22:06:01,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 22:06:01,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 22:06:01,301 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-FA-NoLbe-Separate.epf [2021-05-21 22:06:01,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 22:06:01,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 22:06:01,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 22:06:01,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 22:06:01,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 22:06:01,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 22:06:01,338 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 22:06:01,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 22:06:01,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 22:06:01,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 22:06:01,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 22:06:01,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 22:06:01,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 22:06:01,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 22:06:01,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 22:06:01,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 22:06:01,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 22:06:01,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 22:06:01,342 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 22:06:01,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 22:06:01,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 22:06:01,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 22:06:01,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 22:06:01,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 22:06:01,653 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 22:06:01,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-05-21 22:06:01,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c34ef929/acb430c78b8d4a88b59797622050acd1/FLAGefdf5f49d [2021-05-21 22:06:02,183 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 22:06:02,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-05-21 22:06:02,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c34ef929/acb430c78b8d4a88b59797622050acd1/FLAGefdf5f49d [2021-05-21 22:06:02,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c34ef929/acb430c78b8d4a88b59797622050acd1 [2021-05-21 22:06:02,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 22:06:02,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 22:06:02,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 22:06:02,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 22:06:02,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 22:06:02,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:02,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0bfc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02, skipping insertion in model container [2021-05-21 22:06:02,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:02,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 22:06:02,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 22:06:02,743 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 22:06:02,853 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] [2021-05-21 22:06:02,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:06:02,866 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 22:06:02,878 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 22:06:02,896 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] [2021-05-21 22:06:02,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:06:02,975 INFO L208 MainTranslator]: Completed translation [2021-05-21 22:06:02,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02 WrapperNode [2021-05-21 22:06:02,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 22:06:02,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 22:06:02,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 22:06:02,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 22:06:02,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 22:06:03,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 22:06:03,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 22:06:03,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 22:06:03,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (1/1) ... [2021-05-21 22:06:03,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 22:06:03,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 22:06:03,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 22:06:03,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 22:06:03,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (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 [2021-05-21 22:06:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 22:06:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 22:06:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-05-21 22:06:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 22:06:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 22:06:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 22:06:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-05-21 22:06:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-05-21 22:06:03,144 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 22:06:03,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 22:06:03,589 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-05-21 22:06:03,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:06:03 BoogieIcfgContainer [2021-05-21 22:06:03,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 22:06:03,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 22:06:03,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 22:06:03,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 22:06:03,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 10:06:02" (1/3) ... [2021-05-21 22:06:03,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f6b25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:06:03, skipping insertion in model container [2021-05-21 22:06:03,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:06:02" (2/3) ... [2021-05-21 22:06:03,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f6b25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:06:03, skipping insertion in model container [2021-05-21 22:06:03,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:06:03" (3/3) ... [2021-05-21 22:06:03,598 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-05-21 22:06:03,602 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 22:06:03,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 22:06:03,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 22:06:03,603 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 22:06:03,637 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,637 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,640 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,640 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,641 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,642 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,642 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,642 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,643 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,643 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,643 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,645 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,651 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,651 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,652 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,654 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,654 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,656 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,657 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,657 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,659 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,660 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,660 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,661 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,666 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,666 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,666 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,666 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,666 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,667 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,667 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,667 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,667 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,671 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,672 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,672 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,672 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,672 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,672 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,674 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,675 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,675 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,676 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,677 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,678 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:06:03,703 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-05-21 22:06:03,729 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-05-21 22:06:03,749 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:06:03,749 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:06:03,750 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:06:03,750 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:06:03,750 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:06:03,750 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:06:03,750 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:06:03,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:06:03,764 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 121 places, 122 transitions, 312 flow [2021-05-21 22:06:10,019 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 65290 states, 65286 states have (on average 4.213215697086665) internal successors, (275064), 65289 states have internal predecessors, (275064), 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) [2021-05-21 22:06:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 65290 states, 65286 states have (on average 4.213215697086665) internal successors, (275064), 65289 states have internal predecessors, (275064), 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) [2021-05-21 22:06:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-05-21 22:06:10,336 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:10,338 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:10,338 INFO L430 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:10,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:10,342 INFO L82 PathProgramCache]: Analyzing trace with hash -984098930, now seen corresponding path program 1 times [2021-05-21 22:06:10,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:10,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486588078] [2021-05-21 22:06:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:10,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:10,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486588078] [2021-05-21 22:06:10,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486588078] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:10,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:10,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 22:06:10,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272909283] [2021-05-21 22:06:10,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 22:06:10,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:10,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 22:06:10,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 22:06:10,778 INFO L87 Difference]: Start difference. First operand has 65290 states, 65286 states have (on average 4.213215697086665) internal successors, (275064), 65289 states have internal predecessors, (275064), 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) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-05-21 22:06:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:12,541 INFO L93 Difference]: Finished difference Result 139495 states and 565842 transitions. [2021-05-21 22:06:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-21 22:06:12,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) Word has length 36 [2021-05-21 22:06:12,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:13,383 INFO L225 Difference]: With dead ends: 139495 [2021-05-21 22:06:13,383 INFO L226 Difference]: Without dead ends: 105640 [2021-05-21 22:06:13,384 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 78.6ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-05-21 22:06:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105640 states. [2021-05-21 22:06:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105640 to 66709. [2021-05-21 22:06:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66709 states, 66706 states have (on average 4.07718945821965) internal successors, (271973), 66708 states have internal predecessors, (271973), 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) [2021-05-21 22:06:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66709 states to 66709 states and 271973 transitions. [2021-05-21 22:06:17,296 INFO L78 Accepts]: Start accepts. Automaton has 66709 states and 271973 transitions. Word has length 36 [2021-05-21 22:06:17,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:17,296 INFO L482 AbstractCegarLoop]: Abstraction has 66709 states and 271973 transitions. [2021-05-21 22:06:17,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-05-21 22:06:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 66709 states and 271973 transitions. [2021-05-21 22:06:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:06:17,302 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:17,303 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:17,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 22:06:17,303 INFO L430 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:17,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:17,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1635968132, now seen corresponding path program 1 times [2021-05-21 22:06:17,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:17,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29775734] [2021-05-21 22:06:17,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:17,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:17,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29775734] [2021-05-21 22:06:17,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29775734] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:17,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:17,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 22:06:17,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908991975] [2021-05-21 22:06:17,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:06:17,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:17,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:06:17,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:17,410 INFO L87 Difference]: Start difference. First operand 66709 states and 271973 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-21 22:06:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:18,183 INFO L93 Difference]: Finished difference Result 62257 states and 244623 transitions. [2021-05-21 22:06:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:06:18,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) Word has length 39 [2021-05-21 22:06:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:18,698 INFO L225 Difference]: With dead ends: 62257 [2021-05-21 22:06:18,698 INFO L226 Difference]: Without dead ends: 61735 [2021-05-21 22:06:18,699 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:06:18,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61735 states. [2021-05-21 22:06:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61735 to 61735. [2021-05-21 22:06:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61735 states, 61732 states have (on average 3.9297123048013995) internal successors, (242589), 61734 states have internal predecessors, (242589), 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) [2021-05-21 22:06:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61735 states to 61735 states and 242589 transitions. [2021-05-21 22:06:20,542 INFO L78 Accepts]: Start accepts. Automaton has 61735 states and 242589 transitions. Word has length 39 [2021-05-21 22:06:20,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:20,542 INFO L482 AbstractCegarLoop]: Abstraction has 61735 states and 242589 transitions. [2021-05-21 22:06:20,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-21 22:06:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 61735 states and 242589 transitions. [2021-05-21 22:06:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:06:20,544 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:20,544 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:20,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 22:06:20,545 INFO L430 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:20,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:20,545 INFO L82 PathProgramCache]: Analyzing trace with hash -936417620, now seen corresponding path program 2 times [2021-05-21 22:06:20,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:20,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597798653] [2021-05-21 22:06:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:20,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:20,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597798653] [2021-05-21 22:06:20,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597798653] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:20,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:20,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:06:20,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670798276] [2021-05-21 22:06:20,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-21 22:06:20,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:20,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-21 22:06:20,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 22:06:20,622 INFO L87 Difference]: Start difference. First operand 61735 states and 242589 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-05-21 22:06:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:21,216 INFO L93 Difference]: Finished difference Result 52688 states and 191531 transitions. [2021-05-21 22:06:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-21 22:06:21,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) Word has length 39 [2021-05-21 22:06:21,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:21,407 INFO L225 Difference]: With dead ends: 52688 [2021-05-21 22:06:21,408 INFO L226 Difference]: Without dead ends: 50732 [2021-05-21 22:06:21,408 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-21 22:06:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50732 states. [2021-05-21 22:06:22,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50732 to 42104. [2021-05-21 22:06:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42104 states, 42096 states have (on average 3.6736982136069933) internal successors, (154648), 42103 states have internal predecessors, (154648), 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) [2021-05-21 22:06:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42104 states to 42104 states and 154648 transitions. [2021-05-21 22:06:22,751 INFO L78 Accepts]: Start accepts. Automaton has 42104 states and 154648 transitions. Word has length 39 [2021-05-21 22:06:22,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:22,751 INFO L482 AbstractCegarLoop]: Abstraction has 42104 states and 154648 transitions. [2021-05-21 22:06:22,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-05-21 22:06:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 42104 states and 154648 transitions. [2021-05-21 22:06:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 22:06:22,761 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:22,762 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:22,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 22:06:22,762 INFO L430 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:22,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash 266014307, now seen corresponding path program 1 times [2021-05-21 22:06:22,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:22,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462767701] [2021-05-21 22:06:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:22,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:22,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462767701] [2021-05-21 22:06:22,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462767701] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:22,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:22,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 22:06:22,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389260455] [2021-05-21 22:06:22,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 22:06:22,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:22,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 22:06:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 22:06:22,828 INFO L87 Difference]: Start difference. First operand 42104 states and 154648 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-05-21 22:06:23,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:23,182 INFO L93 Difference]: Finished difference Result 55447 states and 199878 transitions. [2021-05-21 22:06:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-21 22:06:23,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) Word has length 48 [2021-05-21 22:06:23,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:23,278 INFO L225 Difference]: With dead ends: 55447 [2021-05-21 22:06:23,278 INFO L226 Difference]: Without dead ends: 43636 [2021-05-21 22:06:23,279 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 69.1ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-05-21 22:06:23,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43636 states. [2021-05-21 22:06:24,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43636 to 34658. [2021-05-21 22:06:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34658 states, 34656 states have (on average 3.6327908587257616) internal successors, (125898), 34657 states have internal predecessors, (125898), 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) [2021-05-21 22:06:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34658 states to 34658 states and 125898 transitions. [2021-05-21 22:06:24,470 INFO L78 Accepts]: Start accepts. Automaton has 34658 states and 125898 transitions. Word has length 48 [2021-05-21 22:06:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:24,471 INFO L482 AbstractCegarLoop]: Abstraction has 34658 states and 125898 transitions. [2021-05-21 22:06:24,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-05-21 22:06:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34658 states and 125898 transitions. [2021-05-21 22:06:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:06:24,491 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:24,491 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:24,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 22:06:24,491 INFO L430 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:24,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:24,492 INFO L82 PathProgramCache]: Analyzing trace with hash -652853471, now seen corresponding path program 1 times [2021-05-21 22:06:24,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:24,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387011315] [2021-05-21 22:06:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:24,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:24,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387011315] [2021-05-21 22:06:24,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387011315] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:24,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:24,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 22:06:24,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972885105] [2021-05-21 22:06:24,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 22:06:24,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:24,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 22:06:24,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 22:06:24,576 INFO L87 Difference]: Start difference. First operand 34658 states and 125898 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-05-21 22:06:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:25,254 INFO L93 Difference]: Finished difference Result 41679 states and 148595 transitions. [2021-05-21 22:06:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-21 22:06:25,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) Word has length 53 [2021-05-21 22:06:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:25,341 INFO L225 Difference]: With dead ends: 41679 [2021-05-21 22:06:25,342 INFO L226 Difference]: Without dead ends: 38403 [2021-05-21 22:06:25,342 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 56.0ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-05-21 22:06:25,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38403 states. [2021-05-21 22:06:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38403 to 30470. [2021-05-21 22:06:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30470 states, 30468 states have (on average 3.6185834317972954) internal successors, (110251), 30469 states have internal predecessors, (110251), 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) [2021-05-21 22:06:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30470 states to 30470 states and 110251 transitions. [2021-05-21 22:06:25,934 INFO L78 Accepts]: Start accepts. Automaton has 30470 states and 110251 transitions. Word has length 53 [2021-05-21 22:06:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:25,934 INFO L482 AbstractCegarLoop]: Abstraction has 30470 states and 110251 transitions. [2021-05-21 22:06:25,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-05-21 22:06:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30470 states and 110251 transitions. [2021-05-21 22:06:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:06:25,951 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:25,951 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:25,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 22:06:25,951 INFO L430 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:25,952 INFO L82 PathProgramCache]: Analyzing trace with hash -70072805, now seen corresponding path program 1 times [2021-05-21 22:06:25,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:25,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409553532] [2021-05-21 22:06:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:26,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:26,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409553532] [2021-05-21 22:06:26,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409553532] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:26,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:26,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 22:06:26,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213077517] [2021-05-21 22:06:26,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 22:06:26,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:26,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 22:06:26,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 22:06:26,259 INFO L87 Difference]: Start difference. First operand 30470 states and 110251 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-05-21 22:06:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:26,585 INFO L93 Difference]: Finished difference Result 35452 states and 125987 transitions. [2021-05-21 22:06:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-21 22:06:26,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) Word has length 53 [2021-05-21 22:06:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:26,660 INFO L225 Difference]: With dead ends: 35452 [2021-05-21 22:06:26,661 INFO L226 Difference]: Without dead ends: 29779 [2021-05-21 22:06:26,661 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 349.4ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-05-21 22:06:26,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29779 states. [2021-05-21 22:06:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29779 to 23809. [2021-05-21 22:06:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23809 states, 23807 states have (on average 3.594110975763431) internal successors, (85565), 23808 states have internal predecessors, (85565), 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) [2021-05-21 22:06:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23809 states to 23809 states and 85565 transitions. [2021-05-21 22:06:27,212 INFO L78 Accepts]: Start accepts. Automaton has 23809 states and 85565 transitions. Word has length 53 [2021-05-21 22:06:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:27,213 INFO L482 AbstractCegarLoop]: Abstraction has 23809 states and 85565 transitions. [2021-05-21 22:06:27,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-05-21 22:06:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 23809 states and 85565 transitions. [2021-05-21 22:06:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 22:06:27,238 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:27,239 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:27,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 22:06:27,239 INFO L430 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:27,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:27,239 INFO L82 PathProgramCache]: Analyzing trace with hash -353388067, now seen corresponding path program 1 times [2021-05-21 22:06:27,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:27,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925359883] [2021-05-21 22:06:27,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:06:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:06:27,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:06:27,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925359883] [2021-05-21 22:06:27,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925359883] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:06:27,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:06:27,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 22:06:27,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555155566] [2021-05-21 22:06:27,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 22:06:27,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:06:27,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 22:06:27,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-21 22:06:27,345 INFO L87 Difference]: Start difference. First operand 23809 states and 85565 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-05-21 22:06:27,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:06:27,716 INFO L93 Difference]: Finished difference Result 26785 states and 95869 transitions. [2021-05-21 22:06:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 22:06:27,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) Word has length 61 [2021-05-21 22:06:27,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:06:27,790 INFO L225 Difference]: With dead ends: 26785 [2021-05-21 22:06:27,790 INFO L226 Difference]: Without dead ends: 24391 [2021-05-21 22:06:27,790 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 37.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-05-21 22:06:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24391 states. [2021-05-21 22:06:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24391 to 22567. [2021-05-21 22:06:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22567 states, 22565 states have (on average 3.6015510746731665) internal successors, (81269), 22566 states have internal predecessors, (81269), 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) [2021-05-21 22:06:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22567 states to 22567 states and 81269 transitions. [2021-05-21 22:06:28,182 INFO L78 Accepts]: Start accepts. Automaton has 22567 states and 81269 transitions. Word has length 61 [2021-05-21 22:06:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:06:28,182 INFO L482 AbstractCegarLoop]: Abstraction has 22567 states and 81269 transitions. [2021-05-21 22:06:28,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-05-21 22:06:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22567 states and 81269 transitions. [2021-05-21 22:06:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 22:06:28,203 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:06:28,203 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:06:28,203 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 22:06:28,204 INFO L430 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:06:28,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:06:28,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1209301709, now seen corresponding path program 2 times [2021-05-21 22:06:28,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:06:28,204 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100494494] [2021-05-21 22:06:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:06:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:06:28,219 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:06:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:06:28,230 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:06:28,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 22:06:28,262 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 22:06:28,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 22:06:28,262 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was UNSAFE (1/2) [2021-05-21 22:06:28,265 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 22:06:28,266 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:06:28,266 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:06:28,266 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:06:28,266 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:06:28,266 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:06:28,266 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:06:28,266 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:06:28,266 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:06:28,268 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 121 places, 122 transitions, 312 flow [2021-05-21 22:06:34,400 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 65290 states, 65286 states have (on average 4.213215697086665) internal successors, (275064), 65289 states have internal predecessors, (275064), 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) [2021-05-21 22:06:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 65290 states, 65286 states have (on average 4.213215697086665) internal successors, (275064), 65289 states have internal predecessors, (275064), 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) [2021-05-21 22:06:34,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:06:34,756 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-21 22:06:34,757 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 22:06:34,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 10:06:34 BasicIcfg [2021-05-21 22:06:34,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 22:06:34,835 INFO L168 Benchmark]: Toolchain (without parser) took 32298.13 ms. Allocated memory was 329.3 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 292.0 MB in the beginning and 11.1 GB in the end (delta: -10.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,836 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory was 310.0 MB in the beginning and 310.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 22:06:34,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.10 ms. Allocated memory is still 329.3 MB. Free memory was 291.8 MB in the beginning and 291.6 MB in the end (delta: 199.4 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.37 ms. Allocated memory is still 329.3 MB. Free memory was 291.6 MB in the beginning and 289.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,837 INFO L168 Benchmark]: Boogie Preprocessor took 25.67 ms. Allocated memory is still 329.3 MB. Free memory was 289.6 MB in the beginning and 287.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,837 INFO L168 Benchmark]: RCFGBuilder took 524.51 ms. Allocated memory is still 329.3 MB. Free memory was 287.5 MB in the beginning and 253.9 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,838 INFO L168 Benchmark]: TraceAbstraction took 31241.73 ms. Allocated memory was 329.3 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 253.9 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-05-21 22:06:34,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory was 310.0 MB in the beginning and 310.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 436.10 ms. Allocated memory is still 329.3 MB. Free memory was 291.8 MB in the beginning and 291.6 MB in the end (delta: 199.4 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.37 ms. Allocated memory is still 329.3 MB. Free memory was 291.6 MB in the beginning and 289.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.67 ms. Allocated memory is still 329.3 MB. Free memory was 289.6 MB in the beginning and 287.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 524.51 ms. Allocated memory is still 329.3 MB. Free memory was 287.5 MB in the beginning and 253.9 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31241.73 ms. Allocated memory was 329.3 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 253.9 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 738]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L704] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L748] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L749] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L750] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L724] 2 int l; VAL [r=0, w=0, x=0, y=0] [L725] CALL 2 __VERIFIER_atomic_take_read_lock() [L710] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L710] RET 2 assume_abort_if_not(w==0) [L711] 2 r = r+1 [L725] RET 2 __VERIFIER_atomic_take_read_lock() [L727] 2 l = x VAL [r=1, w=0, x=0, y=0] [L730] 2 y = l VAL [r=1, w=0, x=0, y=0] [L733] 2 int ly = y; VAL [r=1, w=0, x=0, y=0] [L736] 2 int lx = x; VAL [r=1, w=0, x=0, y=0] [L738] COND FALSE 2 !(!(ly == lx)) VAL [r=1, w=0, x=0, y=0] [L740] 2 l = r-1 VAL [r=1, w=0, x=0, y=0] [L751] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L752] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=1, w=0, x=0, y=0] [L724] 4 int l; VAL [r=1, w=0, x=0, y=0] [L725] CALL 4 __VERIFIER_atomic_take_read_lock() [L710] CALL 4 assume_abort_if_not(w==0) [L3] COND FALSE 4 !(!cond) [L710] RET 4 assume_abort_if_not(w==0) [L711] 4 r = r+1 [L725] RET 4 __VERIFIER_atomic_take_read_lock() [L727] 4 l = x VAL [r=2, w=0, x=0, y=0] [L730] 4 y = l VAL [r=2, w=0, x=0, y=0] [L733] 4 int ly = y; VAL [r=2, w=0, x=0, y=0] [L743] 2 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L716] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L736] 4 int lx = x; VAL [r=0, w=1, x=3, y=0] [L738] COND TRUE 4 !(ly == lx) VAL [r=0, w=1, x=3, y=0] [L738] 4 reach_error() VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 135 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24515.3ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 416.9ms, AutomataDifference: 6907.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6268.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1815 SDtfs, 1996 SDslu, 4091 SDs, 0 SdLazy, 559 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 325.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 598.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=66709occurred in iteration=1, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9810.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 72264 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.4ms SsaConstructionTime, 159.3ms SatisfiabilityAnalysisTime, 704.6ms InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 7 procedures, 135 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6490.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 355.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6134.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=65290occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...