/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 20:51:30,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 20:51:30,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 20:51:30,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 20:51:30,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 20:51:30,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 20:51:30,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 20:51:30,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 20:51:30,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 20:51:30,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 20:51:30,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 20:51:30,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 20:51:30,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 20:51:30,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 20:51:30,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 20:51:30,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 20:51:30,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 20:51:30,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 20:51:30,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 20:51:30,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 20:51:30,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 20:51:30,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 20:51:30,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 20:51:30,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 20:51:30,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-17 20:51:30,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 20:51:30,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 20:51:30,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 20:51:30,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 20:51:30,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 20:51:30,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 20:51:30,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 20:51:30,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 20:51:30,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 20:51:30,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 20:51:30,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 20:51:30,138 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-keepdead.epf [2020-12-17 20:51:30,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 20:51:30,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 20:51:30,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 20:51:30,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 20:51:30,176 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 20:51:30,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 20:51:30,176 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 20:51:30,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 20:51:30,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 20:51:30,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 20:51:30,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 20:51:30,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 20:51:30,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 20:51:30,178 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 20:51:30,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 20:51:30,178 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 20:51:30,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 20:51:30,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 20:51:30,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 20:51:30,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 20:51:30,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 20:51:30,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 20:51:30,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 20:51:30,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 20:51:30,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 20:51:30,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 20:51:30,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 20:51:30,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 20:51:30,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 20:51:30,182 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-17 20:51:30,183 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 20:51:30,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 20:51:30,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 20:51:30,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 20:51:30,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 20:51:30,585 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 20:51:30,585 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 20:51:30,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-12-17 20:51:30,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8614db17/1d0dda52c3e44973beb0d5676cc1a06b/FLAGccc9d15bf [2020-12-17 20:51:31,370 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 20:51:31,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-12-17 20:51:31,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8614db17/1d0dda52c3e44973beb0d5676cc1a06b/FLAGccc9d15bf [2020-12-17 20:51:31,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8614db17/1d0dda52c3e44973beb0d5676cc1a06b [2020-12-17 20:51:31,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 20:51:31,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 20:51:31,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 20:51:31,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 20:51:31,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 20:51:31,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:51:31" (1/1) ... [2020-12-17 20:51:31,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43984659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:31, skipping insertion in model container [2020-12-17 20:51:31,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:51:31" (1/1) ... [2020-12-17 20:51:31,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 20:51:31,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 20:51:31,911 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-17 20:51:32,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:51:32,074 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 20:51:32,109 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-17 20:51:32,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:51:32,318 INFO L208 MainTranslator]: Completed translation [2020-12-17 20:51:32,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32 WrapperNode [2020-12-17 20:51:32,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 20:51:32,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 20:51:32,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 20:51:32,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 20:51:32,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 20:51:32,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 20:51:32,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 20:51:32,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 20:51:32,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (1/1) ... [2020-12-17 20:51:32,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 20:51:32,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 20:51:32,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 20:51:32,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 20:51:32,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (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 [2020-12-17 20:51:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 20:51:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 20:51:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-17 20:51:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-12-17 20:51:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-12-17 20:51:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 20:51:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 20:51:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 20:51:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-17 20:51:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 20:51:32,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 20:51:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-12-17 20:51:32,568 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-12-17 20:51:32,570 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 20:51:33,106 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 20:51:33,106 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-17 20:51:33,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:51:33 BoogieIcfgContainer [2020-12-17 20:51:33,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 20:51:33,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 20:51:33,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 20:51:33,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 20:51:33,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 08:51:31" (1/3) ... [2020-12-17 20:51:33,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff2dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:51:33, skipping insertion in model container [2020-12-17 20:51:33,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:32" (2/3) ... [2020-12-17 20:51:33,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ff2dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:51:33, skipping insertion in model container [2020-12-17 20:51:33,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:51:33" (3/3) ... [2020-12-17 20:51:33,117 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2020-12-17 20:51:33,132 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 20:51:33,132 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 20:51:33,136 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-17 20:51:33,137 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 20:51:33,169 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,170 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,170 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,170 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,170 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,171 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,171 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,171 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,171 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,172 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,172 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,172 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,172 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,173 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,173 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,173 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,173 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,174 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,174 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,174 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,174 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,175 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,175 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,175 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,175 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,175 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,176 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,176 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,176 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,176 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,177 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,177 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,177 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,177 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,178 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,178 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,178 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,178 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,179 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,179 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,179 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,179 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,180 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,180 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,180 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,180 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,181 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,181 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,181 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,181 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,182 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,182 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,182 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,182 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,183 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,183 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,183 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,183 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,183 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,184 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,184 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,184 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,185 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,185 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,185 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,185 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,185 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,186 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,186 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,186 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,186 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,187 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,187 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,187 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,187 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,187 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,188 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,188 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,188 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,188 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,188 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,189 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,189 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,189 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,190 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,190 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,190 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,190 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,190 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,191 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,191 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,191 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,191 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,192 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,192 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,192 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,192 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,192 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,193 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,193 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,193 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,193 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,194 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,194 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,194 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,194 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,195 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,195 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,195 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,195 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,196 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,196 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,196 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,196 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,196 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,197 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,197 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,197 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,197 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,197 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,198 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,198 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,198 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,199 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,201 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,201 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,201 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,202 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,202 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,202 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,202 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,203 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,203 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,203 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,203 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,207 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,207 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,208 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,208 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,208 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,208 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,216 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,216 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,217 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,218 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,218 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,218 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,219 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,220 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,220 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,220 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,220 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,220 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:51:33,239 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-12-17 20:51:33,252 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-17 20:51:33,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:51:33,273 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:51:33,274 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:51:33,274 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:51:33,274 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:51:33,274 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:51:33,274 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:51:33,274 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:51:33,287 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 118 transitions, 304 flow [2020-12-17 20:51:44,336 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 72386 states, 72382 states have (on average 4.257301539056671) internal successors, (308152), 72385 states have internal predecessors, (308152), 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) [2020-12-17 20:51:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 72386 states, 72382 states have (on average 4.257301539056671) internal successors, (308152), 72385 states have internal predecessors, (308152), 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) [2020-12-17 20:51:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-17 20:51:44,510 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:44,511 INFO L504 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] [2020-12-17 20:51:44,512 INFO L429 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:44,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:44,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1644348079, now seen corresponding path program 1 times [2020-12-17 20:51:44,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:44,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610499480] [2020-12-17 20:51:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:44,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610499480] [2020-12-17 20:51:44,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:44,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:44,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349184993] [2020-12-17 20:51:44,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:44,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:44,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:44,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:44,956 INFO L87 Difference]: Start difference. First operand has 72386 states, 72382 states have (on average 4.257301539056671) internal successors, (308152), 72385 states have internal predecessors, (308152), 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 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2020-12-17 20:51:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:47,693 INFO L93 Difference]: Finished difference Result 138727 states and 554705 transitions. [2020-12-17 20:51:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 20:51:47,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 33 [2020-12-17 20:51:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:47,698 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-12-17 20:51:47,698 INFO L78 Accepts]: Start accepts. Automaton has 138727 states and 554705 transitions. Word has length 33 [2020-12-17 20:51:47,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:47,699 INFO L481 AbstractCegarLoop]: Abstraction has 138727 states and 554705 transitions. [2020-12-17 20:51:47,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2020-12-17 20:51:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 138727 states and 554705 transitions. [2020-12-17 20:51:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-17 20:51:47,714 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:47,714 INFO L504 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] [2020-12-17 20:51:47,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 20:51:47,715 INFO L429 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:47,716 INFO L82 PathProgramCache]: Analyzing trace with hash 776035827, now seen corresponding path program 1 times [2020-12-17 20:51:47,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:47,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373152039] [2020-12-17 20:51:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:47,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373152039] [2020-12-17 20:51:47,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:47,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:51:47,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850999037] [2020-12-17 20:51:47,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:51:47,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:47,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:51:47,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:51:47,898 INFO L87 Difference]: Start difference. First operand 138727 states and 554705 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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) [2020-12-17 20:51:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:49,931 INFO L93 Difference]: Finished difference Result 195719 states and 749921 transitions. [2020-12-17 20:51:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:51:49,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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 [2020-12-17 20:51:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:49,933 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:51:49,934 INFO L78 Accepts]: Start accepts. Automaton has 195719 states and 749921 transitions. Word has length 36 [2020-12-17 20:51:49,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:49,934 INFO L481 AbstractCegarLoop]: Abstraction has 195719 states and 749921 transitions. [2020-12-17 20:51:49,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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) [2020-12-17 20:51:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 195719 states and 749921 transitions. [2020-12-17 20:51:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-17 20:51:49,943 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:49,943 INFO L504 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] [2020-12-17 20:51:49,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 20:51:49,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:49,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1338912243, now seen corresponding path program 2 times [2020-12-17 20:51:49,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:49,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250597983] [2020-12-17 20:51:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:50,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250597983] [2020-12-17 20:51:50,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:50,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-17 20:51:50,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562876262] [2020-12-17 20:51:50,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-17 20:51:50,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:50,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-17 20:51:50,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 20:51:50,030 INFO L87 Difference]: Start difference. First operand 195719 states and 749921 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 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) [2020-12-17 20:51:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:51,435 INFO L93 Difference]: Finished difference Result 100736 states and 366919 transitions. [2020-12-17 20:51:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-17 20:51:51,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 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 [2020-12-17 20:51:51,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:51,437 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 20:51:51,437 INFO L78 Accepts]: Start accepts. Automaton has 100736 states and 366919 transitions. Word has length 36 [2020-12-17 20:51:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:51,438 INFO L481 AbstractCegarLoop]: Abstraction has 100736 states and 366919 transitions. [2020-12-17 20:51:51,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 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) [2020-12-17 20:51:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 100736 states and 366919 transitions. [2020-12-17 20:51:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-17 20:51:51,452 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:51,452 INFO L504 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] [2020-12-17 20:51:51,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 20:51:51,453 INFO L429 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:51,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:51,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1715267170, now seen corresponding path program 1 times [2020-12-17 20:51:51,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:51,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353087618] [2020-12-17 20:51:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:51,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353087618] [2020-12-17 20:51:51,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:51,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:51,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479798487] [2020-12-17 20:51:51,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:51,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:51,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:51,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:51,538 INFO L87 Difference]: Start difference. First operand 100736 states and 366919 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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) [2020-12-17 20:51:52,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:52,448 INFO L93 Difference]: Finished difference Result 105268 states and 381495 transitions. [2020-12-17 20:51:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 20:51:52,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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 [2020-12-17 20:51:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:52,453 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-12-17 20:51:52,453 INFO L78 Accepts]: Start accepts. Automaton has 105268 states and 381495 transitions. Word has length 39 [2020-12-17 20:51:52,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:52,457 INFO L481 AbstractCegarLoop]: Abstraction has 105268 states and 381495 transitions. [2020-12-17 20:51:52,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 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) [2020-12-17 20:51:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 105268 states and 381495 transitions. [2020-12-17 20:51:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-17 20:51:52,486 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:52,487 INFO L504 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] [2020-12-17 20:51:52,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 20:51:52,487 INFO L429 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:52,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2141698371, now seen corresponding path program 1 times [2020-12-17 20:51:52,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:52,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923227535] [2020-12-17 20:51:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:52,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923227535] [2020-12-17 20:51:52,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:52,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:52,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761247436] [2020-12-17 20:51:52,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:52,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:52,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:52,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:52,630 INFO L87 Difference]: Start difference. First operand 105268 states and 381495 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2020-12-17 20:51:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:54,007 INFO L93 Difference]: Finished difference Result 104222 states and 376469 transitions. [2020-12-17 20:51:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 20:51:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2020-12-17 20:51:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:54,009 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-17 20:51:54,009 INFO L78 Accepts]: Start accepts. Automaton has 104222 states and 376469 transitions. Word has length 44 [2020-12-17 20:51:54,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:54,010 INFO L481 AbstractCegarLoop]: Abstraction has 104222 states and 376469 transitions. [2020-12-17 20:51:54,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2020-12-17 20:51:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 104222 states and 376469 transitions. [2020-12-17 20:51:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-17 20:51:54,029 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:54,030 INFO L504 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] [2020-12-17 20:51:54,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 20:51:54,030 INFO L429 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:54,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:54,031 INFO L82 PathProgramCache]: Analyzing trace with hash -429774811, now seen corresponding path program 1 times [2020-12-17 20:51:54,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:54,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123507932] [2020-12-17 20:51:54,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:54,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123507932] [2020-12-17 20:51:54,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:54,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:54,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897266918] [2020-12-17 20:51:54,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:54,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:54,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:54,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:54,102 INFO L87 Difference]: Start difference. First operand 104222 states and 376469 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2020-12-17 20:51:55,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:55,410 INFO L93 Difference]: Finished difference Result 103176 states and 371443 transitions. [2020-12-17 20:51:55,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 20:51:55,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2020-12-17 20:51:55,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:55,412 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-17 20:51:55,412 INFO L78 Accepts]: Start accepts. Automaton has 103176 states and 371443 transitions. Word has length 44 [2020-12-17 20:51:55,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:55,413 INFO L481 AbstractCegarLoop]: Abstraction has 103176 states and 371443 transitions. [2020-12-17 20:51:55,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2020-12-17 20:51:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 103176 states and 371443 transitions. [2020-12-17 20:51:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 20:51:55,495 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:55,495 INFO L504 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] [2020-12-17 20:51:55,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 20:51:55,496 INFO L429 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:55,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:55,496 INFO L82 PathProgramCache]: Analyzing trace with hash 71025350, now seen corresponding path program 1 times [2020-12-17 20:51:55,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:55,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556354064] [2020-12-17 20:51:55,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:55,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556354064] [2020-12-17 20:51:55,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:55,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:55,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823887461] [2020-12-17 20:51:55,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:55,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:55,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:55,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:55,576 INFO L87 Difference]: Start difference. First operand 103176 states and 371443 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2020-12-17 20:51:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:56,900 INFO L93 Difference]: Finished difference Result 130768 states and 458075 transitions. [2020-12-17 20:51:56,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-17 20:51:56,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2020-12-17 20:51:56,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:56,902 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-17 20:51:56,903 INFO L78 Accepts]: Start accepts. Automaton has 130768 states and 458075 transitions. Word has length 52 [2020-12-17 20:51:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:56,903 INFO L481 AbstractCegarLoop]: Abstraction has 130768 states and 458075 transitions. [2020-12-17 20:51:56,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2020-12-17 20:51:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 130768 states and 458075 transitions. [2020-12-17 20:51:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 20:51:56,977 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:56,977 INFO L504 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] [2020-12-17 20:51:56,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 20:51:56,978 INFO L429 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:56,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:56,979 INFO L82 PathProgramCache]: Analyzing trace with hash -467333620, now seen corresponding path program 2 times [2020-12-17 20:51:56,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:56,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148877202] [2020-12-17 20:51:56,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:51:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:51:57,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148877202] [2020-12-17 20:51:57,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:51:57,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 20:51:57,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193436019] [2020-12-17 20:51:57,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 20:51:57,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:51:57,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 20:51:57,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-17 20:51:57,125 INFO L87 Difference]: Start difference. First operand 130768 states and 458075 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2020-12-17 20:51:58,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:51:58,518 INFO L93 Difference]: Finished difference Result 149644 states and 520751 transitions. [2020-12-17 20:51:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-17 20:51:58,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2020-12-17 20:51:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:51:58,520 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-17 20:51:58,520 INFO L78 Accepts]: Start accepts. Automaton has 149644 states and 520751 transitions. Word has length 52 [2020-12-17 20:51:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:51:58,521 INFO L481 AbstractCegarLoop]: Abstraction has 149644 states and 520751 transitions. [2020-12-17 20:51:58,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2020-12-17 20:51:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 149644 states and 520751 transitions. [2020-12-17 20:51:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 20:51:58,598 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:51:58,598 INFO L504 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] [2020-12-17 20:51:58,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 20:51:58,599 INFO L429 AbstractCegarLoop]: === Iteration 9 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-17 20:51:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:51:58,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2056037116, now seen corresponding path program 3 times [2020-12-17 20:51:58,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:51:58,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385972613] [2020-12-17 20:51:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:51:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:51:58,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:51:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:51:58,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:51:58,686 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:51:58,687 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:51:58,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-17 20:51:58,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 08:51:58 BasicIcfg [2020-12-17 20:51:58,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 20:51:58,789 INFO L168 Benchmark]: Toolchain (without parser) took 27189.46 ms. Allocated memory was 302.0 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 275.2 MB in the beginning and 9.5 GB in the end (delta: -9.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2020-12-17 20:51:58,789 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 20:51:58,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.32 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 276.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:58,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.16 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 274.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:58,791 INFO L168 Benchmark]: Boogie Preprocessor took 63.04 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 273.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 20:51:58,792 INFO L168 Benchmark]: RCFGBuilder took 625.54 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 242.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-17 20:51:58,793 INFO L168 Benchmark]: TraceAbstraction took 25675.97 ms. Allocated memory was 302.0 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 241.7 MB in the beginning and 9.5 GB in the end (delta: -9.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. [2020-12-17 20:51:58,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 717.32 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 276.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 95.16 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 274.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.04 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 273.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 625.54 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 242.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25675.97 ms. Allocated memory was 302.0 MB in the beginning and 11.8 GB in the end (delta: 11.5 GB). Free memory was 241.7 MB in the beginning and 9.5 GB in the end (delta: -9.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 16]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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] [L751] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L736] 2 int lx = x; 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] [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] [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() [L743] 2 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 3 __VERIFIER_atomic_take_write_lock() [L706] CALL 3 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 3 !(!cond) [L706] RET 3 assume_abort_if_not(w==0 && r==0) [L707] 3 w = 1 [L714] RET 3 __VERIFIER_atomic_take_write_lock() [L727] 4 l = x VAL [r=0, w=1, x=0, y=0] [L716] 3 x = 3 VAL [r=0, w=1, x=3, y=0] [L730] 4 y = l VAL [r=0, w=1, x=3, y=0] [L733] 4 int ly = y; 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] [L16] COND FALSE 4 !(0) VAL [r=0, w=1, x=3, y=0] [L16] 4 __assert_fail ("0", "read_write_lock-2.c", 7, __extension__ __PRETTY_FUNCTION__) VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 25.4s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.0s, HoareTripleCheckerStatistics: 2226 SDtfs, 2854 SDslu, 5159 SDs, 0 SdLazy, 697 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195719occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 24692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...