/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-Delay.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 03:32:13,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 03:32:13,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 03:32:13,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 03:32:13,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 03:32:13,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 03:32:13,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 03:32:13,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 03:32:13,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 03:32:13,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 03:32:13,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 03:32:13,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 03:32:13,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 03:32:13,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 03:32:13,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 03:32:13,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 03:32:13,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 03:32:13,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 03:32:13,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 03:32:13,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 03:32:13,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 03:32:13,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 03:32:13,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 03:32:14,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 03:32:14,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 03:32:14,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 03:32:14,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 03:32:14,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 03:32:14,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 03:32:14,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 03:32:14,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 03:32:14,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 03:32:14,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 03:32:14,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 03:32:14,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 03:32:14,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 03:32:14,018 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-Delay.epf [2020-11-12 03:32:14,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 03:32:14,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 03:32:14,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 03:32:14,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 03:32:14,047 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 03:32:14,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 03:32:14,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 03:32:14,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 03:32:14,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 03:32:14,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 03:32:14,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 03:32:14,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 03:32:14,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 03:32:14,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 03:32:14,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 03:32:14,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 03:32:14,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 03:32:14,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 03:32:14,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 03:32:14,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 03:32:14,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 03:32:14,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:32:14,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 03:32:14,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 03:32:14,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 03:32:14,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 03:32:14,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 03:32:14,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 03:32:14,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 03:32:14,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 03:32:14,053 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 03:32:14,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 03:32:14,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 03:32:14,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 03:32:14,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 03:32:14,455 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 03:32:14,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-11-12 03:32:14,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af354f34/03e2bd099621443cb49d6781d71a6328/FLAGa9e453f6e [2020-11-12 03:32:15,233 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 03:32:15,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-11-12 03:32:15,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af354f34/03e2bd099621443cb49d6781d71a6328/FLAGa9e453f6e [2020-11-12 03:32:15,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af354f34/03e2bd099621443cb49d6781d71a6328 [2020-11-12 03:32:15,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 03:32:15,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 03:32:15,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 03:32:15,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 03:32:15,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 03:32:15,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:32:15" (1/1) ... [2020-11-12 03:32:15,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4bc1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:15, skipping insertion in model container [2020-11-12 03:32:15,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:32:15" (1/1) ... [2020-11-12 03:32:15,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 03:32:15,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 03:32:15,787 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:32:15,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:32:15,948 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 03:32:15,966 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:32:15,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:32:16,090 INFO L208 MainTranslator]: Completed translation [2020-11-12 03:32:16,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16 WrapperNode [2020-11-12 03:32:16,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 03:32:16,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 03:32:16,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 03:32:16,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 03:32:16,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 03:32:16,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 03:32:16,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 03:32:16,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 03:32:16,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (1/1) ... [2020-11-12 03:32:16,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 03:32:16,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 03:32:16,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 03:32:16,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 03:32:16,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (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 [2020-11-12 03:32:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 03:32:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 03:32:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 03:32:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-11-12 03:32:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-11-12 03:32:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 03:32:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 03:32:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 03:32:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 03:32:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 03:32:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 03:32:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-11-12 03:32:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-11-12 03:32:16,321 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 03:32:17,055 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 03:32:17,055 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-12 03:32:17,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:32:17 BoogieIcfgContainer [2020-11-12 03:32:17,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 03:32:17,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 03:32:17,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 03:32:17,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 03:32:17,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:32:15" (1/3) ... [2020-11-12 03:32:17,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1795cc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:32:17, skipping insertion in model container [2020-11-12 03:32:17,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:32:16" (2/3) ... [2020-11-12 03:32:17,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1795cc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:32:17, skipping insertion in model container [2020-11-12 03:32:17,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:32:17" (3/3) ... [2020-11-12 03:32:17,065 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2020-11-12 03:32:17,080 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 03:32:17,080 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 03:32:17,084 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 03:32:17,084 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 03:32:17,114 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,114 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,114 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,114 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,115 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,115 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,115 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,115 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,116 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,116 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,116 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,116 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,116 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,117 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,117 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,117 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,117 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,118 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,118 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,118 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,118 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,118 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,119 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,119 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,119 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,119 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,119 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,120 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,120 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,120 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,120 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,120 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,121 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,121 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,121 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,121 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,121 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,122 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,122 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,122 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,123 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,124 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,124 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,124 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,124 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,124 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,125 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,125 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,125 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,125 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,126 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,126 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,126 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,126 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,126 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,127 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,127 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,127 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,127 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,128 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,128 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,128 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,128 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,128 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,129 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,129 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,129 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,129 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,130 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,130 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,130 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,130 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,131 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,132 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,132 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,132 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,132 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,132 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,133 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,133 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,133 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,133 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,134 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,134 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,134 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,134 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,134 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,135 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,135 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,135 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,135 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,135 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,136 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,136 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,136 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,136 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,136 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,137 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,139 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,139 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,139 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,140 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,140 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,140 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,143 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,144 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,144 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,144 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,146 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,146 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,146 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,146 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,147 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,147 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,148 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,149 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,149 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,149 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,149 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,149 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,150 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,150 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,150 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:32:17,167 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-11-12 03:32:17,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-12 03:32:17,202 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 03:32:17,202 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 03:32:17,202 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 03:32:17,202 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 03:32:17,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 03:32:17,202 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 03:32:17,203 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 03:32:17,203 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 03:32:17,215 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 102 transitions, 272 flow [2020-11-12 03:32:20,398 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34514 states, 34510 states have (on average 3.9627933932193566) internal successors, (136756), 34513 states have internal predecessors, (136756), 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) [2020-11-12 03:32:22,396 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 1994ms [2020-11-12 03:32:22,454 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 34514 states, 34510 states have (on average 3.9627933932193566) internal successors, (136756), 34513 states have internal predecessors, (136756), 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) [2020-11-12 03:32:22,530 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 34514 states, 33340 states have (on average 2.5181463707258547) internal successors, (83955), 34513 states have internal predecessors, (83955), 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) [2020-11-12 03:32:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 34514 states, 33340 states have (on average 2.5181463707258547) internal successors, (83955), 34513 states have internal predecessors, (83955), 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) [2020-11-12 03:32:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-12 03:32:22,580 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:22,580 INFO L494 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] [2020-11-12 03:32:22,581 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]=== [2020-11-12 03:32:22,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:22,587 INFO L82 PathProgramCache]: Analyzing trace with hash -665988970, now seen corresponding path program 1 times [2020-11-12 03:32:22,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:22,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435447528] [2020-11-12 03:32:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:32:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:32:22,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435447528] [2020-11-12 03:32:22,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:32:22,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:32:22,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741818801] [2020-11-12 03:32:22,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:32:22,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:32:22,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:32:22,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:32:22,893 INFO L87 Difference]: Start difference. First operand has 34514 states, 33340 states have (on average 2.5181463707258547) internal successors, (83955), 34513 states have internal predecessors, (83955), 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 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2020-11-12 03:32:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:32:23,877 INFO L93 Difference]: Finished difference Result 64992 states and 161008 transitions. [2020-11-12 03:32:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:32:23,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2020-11-12 03:32:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:32:24,151 INFO L225 Difference]: With dead ends: 64992 [2020-11-12 03:32:24,151 INFO L226 Difference]: Without dead ends: 36666 [2020-11-12 03:32:24,153 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:32:24,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36666 states. [2020-11-12 03:32:25,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36666 to 24458. [2020-11-12 03:32:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24458 states, 24221 states have (on average 2.3378473225713226) internal successors, (56625), 24457 states have internal predecessors, (56625), 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) [2020-11-12 03:32:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24458 states to 24458 states and 56625 transitions. [2020-11-12 03:32:25,638 INFO L78 Accepts]: Start accepts. Automaton has 24458 states and 56625 transitions. Word has length 28 [2020-11-12 03:32:25,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:32:25,638 INFO L481 AbstractCegarLoop]: Abstraction has 24458 states and 56625 transitions. [2020-11-12 03:32:25,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2020-11-12 03:32:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24458 states and 56625 transitions. [2020-11-12 03:32:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 03:32:25,641 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:25,641 INFO L494 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] [2020-11-12 03:32:25,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 03:32:25,642 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]=== [2020-11-12 03:32:25,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:25,643 INFO L82 PathProgramCache]: Analyzing trace with hash -475270752, now seen corresponding path program 1 times [2020-11-12 03:32:25,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:25,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673729639] [2020-11-12 03:32:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:32:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:32:26,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673729639] [2020-11-12 03:32:26,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:32:26,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:32:26,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051686220] [2020-11-12 03:32:26,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:32:26,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:32:26,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:32:26,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:32:26,010 INFO L87 Difference]: Start difference. First operand 24458 states and 56625 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2020-11-12 03:32:26,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:32:26,172 INFO L93 Difference]: Finished difference Result 22707 states and 49248 transitions. [2020-11-12 03:32:26,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:32:26,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2020-11-12 03:32:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:32:26,252 INFO L225 Difference]: With dead ends: 22707 [2020-11-12 03:32:26,253 INFO L226 Difference]: Without dead ends: 19662 [2020-11-12 03:32:26,254 INFO L749 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 [2020-11-12 03:32:26,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19662 states. [2020-11-12 03:32:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19662 to 19662. [2020-11-12 03:32:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19371 states have (on average 2.3713798977853493) internal successors, (45936), 19661 states have internal predecessors, (45936), 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) [2020-11-12 03:32:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 45936 transitions. [2020-11-12 03:32:26,982 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 45936 transitions. Word has length 31 [2020-11-12 03:32:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:32:26,983 INFO L481 AbstractCegarLoop]: Abstraction has 19662 states and 45936 transitions. [2020-11-12 03:32:26,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2020-11-12 03:32:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 45936 transitions. [2020-11-12 03:32:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 03:32:26,985 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:26,985 INFO L494 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] [2020-11-12 03:32:26,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 03:32:26,986 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]=== [2020-11-12 03:32:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:26,986 INFO L82 PathProgramCache]: Analyzing trace with hash -503681158, now seen corresponding path program 2 times [2020-11-12 03:32:26,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:26,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938219743] [2020-11-12 03:32:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:32:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:32:27,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938219743] [2020-11-12 03:32:27,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:32:27,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:32:27,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92838723] [2020-11-12 03:32:27,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:32:27,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:32:27,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:32:27,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:32:27,066 INFO L87 Difference]: Start difference. First operand 19662 states and 45936 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2020-11-12 03:32:27,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:32:27,191 INFO L93 Difference]: Finished difference Result 18766 states and 39920 transitions. [2020-11-12 03:32:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:32:27,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2020-11-12 03:32:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:32:27,247 INFO L225 Difference]: With dead ends: 18766 [2020-11-12 03:32:27,247 INFO L226 Difference]: Without dead ends: 18319 [2020-11-12 03:32:27,247 INFO L749 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 [2020-11-12 03:32:27,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18319 states. [2020-11-12 03:32:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18319 to 14381. [2020-11-12 03:32:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14381 states, 14134 states have (on average 2.129333522003679) internal successors, (30096), 14380 states have internal predecessors, (30096), 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) [2020-11-12 03:32:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14381 states to 14381 states and 30096 transitions. [2020-11-12 03:32:27,939 INFO L78 Accepts]: Start accepts. Automaton has 14381 states and 30096 transitions. Word has length 31 [2020-11-12 03:32:27,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:32:27,939 INFO L481 AbstractCegarLoop]: Abstraction has 14381 states and 30096 transitions. [2020-11-12 03:32:27,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2020-11-12 03:32:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14381 states and 30096 transitions. [2020-11-12 03:32:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-12 03:32:27,943 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:27,943 INFO L494 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] [2020-11-12 03:32:27,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 03:32:27,943 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]=== [2020-11-12 03:32:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:27,944 INFO L82 PathProgramCache]: Analyzing trace with hash -243206914, now seen corresponding path program 1 times [2020-11-12 03:32:27,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:27,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709842555] [2020-11-12 03:32:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:32:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:32:28,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709842555] [2020-11-12 03:32:28,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:32:28,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:32:28,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254856435] [2020-11-12 03:32:28,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:32:28,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:32:28,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:32:28,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:32:28,003 INFO L87 Difference]: Start difference. First operand 14381 states and 30096 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2020-11-12 03:32:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:32:28,151 INFO L93 Difference]: Finished difference Result 16195 states and 34732 transitions. [2020-11-12 03:32:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:32:28,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2020-11-12 03:32:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:32:28,179 INFO L225 Difference]: With dead ends: 16195 [2020-11-12 03:32:28,179 INFO L226 Difference]: Without dead ends: 8603 [2020-11-12 03:32:28,180 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:32:28,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8603 states. [2020-11-12 03:32:28,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8603 to 7253. [2020-11-12 03:32:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7253 states, 7197 states have (on average 2.387244685285536) internal successors, (17181), 7252 states have internal predecessors, (17181), 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) [2020-11-12 03:32:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 17181 transitions. [2020-11-12 03:32:28,419 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 17181 transitions. Word has length 34 [2020-11-12 03:32:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:32:28,420 INFO L481 AbstractCegarLoop]: Abstraction has 7253 states and 17181 transitions. [2020-11-12 03:32:28,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2020-11-12 03:32:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 17181 transitions. [2020-11-12 03:32:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 03:32:28,429 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:28,429 INFO L494 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] [2020-11-12 03:32:28,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 03:32:28,429 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]=== [2020-11-12 03:32:28,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:28,430 INFO L82 PathProgramCache]: Analyzing trace with hash -365739267, now seen corresponding path program 1 times [2020-11-12 03:32:28,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:28,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799420292] [2020-11-12 03:32:28,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:32:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:32:28,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799420292] [2020-11-12 03:32:28,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:32:28,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 03:32:28,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281784719] [2020-11-12 03:32:28,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 03:32:28,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:32:28,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 03:32:28,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-12 03:32:28,564 INFO L87 Difference]: Start difference. First operand 7253 states and 17181 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2020-11-12 03:32:28,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:32:28,697 INFO L93 Difference]: Finished difference Result 8141 states and 19462 transitions. [2020-11-12 03:32:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 03:32:28,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2020-11-12 03:32:28,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:32:28,721 INFO L225 Difference]: With dead ends: 8141 [2020-11-12 03:32:28,721 INFO L226 Difference]: Without dead ends: 7313 [2020-11-12 03:32:28,722 INFO L749 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 [2020-11-12 03:32:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2020-11-12 03:32:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 6797. [2020-11-12 03:32:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6797 states, 6741 states have (on average 2.4616525738021067) internal successors, (16594), 6796 states have internal predecessors, (16594), 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) [2020-11-12 03:32:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 16594 transitions. [2020-11-12 03:32:28,993 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 16594 transitions. Word has length 45 [2020-11-12 03:32:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:32:28,994 INFO L481 AbstractCegarLoop]: Abstraction has 6797 states and 16594 transitions. [2020-11-12 03:32:28,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2020-11-12 03:32:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 16594 transitions. [2020-11-12 03:32:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 03:32:28,998 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:32:28,998 INFO L494 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] [2020-11-12 03:32:28,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 03:32:28,999 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]=== [2020-11-12 03:32:29,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:32:29,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1302389749, now seen corresponding path program 2 times [2020-11-12 03:32:29,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:32:29,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738717557] [2020-11-12 03:32:29,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:32:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 03:32:29,047 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 03:32:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 03:32:29,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 03:32:29,127 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 03:32:29,127 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 03:32:29,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 03:32:29,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 03:32:29 BasicIcfg [2020-11-12 03:32:29,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 03:32:29,206 INFO L168 Benchmark]: Toolchain (without parser) took 13747.29 ms. Allocated memory was 302.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 270.2 MB in the beginning and 6.6 GB in the end (delta: -6.3 GB). Peak memory consumption was 446.9 MB. Max. memory is 16.0 GB. [2020-11-12 03:32:29,207 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 140.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 03:32:29,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.57 ms. Allocated memory is still 302.0 MB. Free memory was 269.6 MB in the beginning and 262.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2020-11-12 03:32:29,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.50 ms. Allocated memory is still 302.0 MB. Free memory was 262.9 MB in the beginning and 260.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 03:32:29,210 INFO L168 Benchmark]: Boogie Preprocessor took 49.23 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 259.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 03:32:29,210 INFO L168 Benchmark]: RCFGBuilder took 816.46 ms. Allocated memory is still 302.0 MB. Free memory was 259.9 MB in the beginning and 227.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2020-11-12 03:32:29,211 INFO L168 Benchmark]: TraceAbstraction took 12145.08 ms. Allocated memory was 302.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 227.4 MB in the beginning and 6.6 GB in the end (delta: -6.4 GB). Peak memory consumption was 406.7 MB. Max. memory is 16.0 GB. [2020-11-12 03:32:29,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 140.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 627.57 ms. Allocated memory is still 302.0 MB. Free memory was 269.6 MB in the beginning and 262.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 89.50 ms. Allocated memory is still 302.0 MB. Free memory was 262.9 MB in the beginning and 260.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.23 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 259.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 816.46 ms. Allocated memory is still 302.0 MB. Free memory was 259.9 MB in the beginning and 227.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12145.08 ms. Allocated memory was 302.0 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 227.4 MB in the beginning and 6.6 GB in the end (delta: -6.4 GB). Peak memory consumption was 406.7 MB. 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] [L740] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L741] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L742] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L720] 2 int l; VAL [r=0, w=0, x=0, y=0] [L721] 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 [L721] RET 2 __VERIFIER_atomic_take_read_lock() [L723] 2 l = x VAL [r=1, w=0, x=0, y=0] [L726] 2 y = l VAL [r=1, w=0, x=0, y=0] [L729] COND FALSE 2 !(!(y == x)) VAL [r=1, w=0, x=0, y=0] [L732] 2 l = r-1 VAL [r=1, w=0, x=0, y=0] [L743] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L744] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=1, w=0, x=0, y=0] [L720] 4 int l; VAL [r=1, w=0, x=0, y=0] [L721] 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 [L721] RET 4 __VERIFIER_atomic_take_read_lock() [L735] 2 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L723] 4 l = x VAL [r=0, w=1, x=0, y=0] [L715] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L726] 4 y = l VAL [r=0, w=1, x=3, y=0] [L729] COND TRUE 4 !(y == x) [L16] COND FALSE 4 !(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, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 753 SDtfs, 544 SDslu, 959 SDs, 0 SdLazy, 170 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34514occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 18012 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 9930 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...