/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.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 14:38:38,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 14:38:38,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 14:38:38,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 14:38:38,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 14:38:38,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 14:38:38,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 14:38:38,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 14:38:38,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 14:38:38,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 14:38:38,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 14:38:38,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 14:38:38,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 14:38:38,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 14:38:38,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 14:38:38,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 14:38:38,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 14:38:38,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 14:38:38,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 14:38:38,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 14:38:38,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 14:38:38,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 14:38:38,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 14:38:38,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 14:38:38,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-17 14:38:38,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 14:38:38,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 14:38:38,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 14:38:38,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 14:38:38,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 14:38:38,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 14:38:38,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 14:38:38,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 14:38:38,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 14:38:38,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 14:38:38,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 14:38:38,406 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.epf [2020-12-17 14:38:38,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 14:38:38,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 14:38:38,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 14:38:38,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 14:38:38,472 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 14:38:38,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 14:38:38,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 14:38:38,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 14:38:38,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 14:38:38,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 14:38:38,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 14:38:38,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 14:38:38,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 14:38:38,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 14:38:38,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 14:38:38,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 14:38:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 14:38:38,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 14:38:38,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 14:38:38,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 14:38:38,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 14:38:38,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 14:38:38,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 14:38:38,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 14:38:38,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 14:38:38,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 14:38:38,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 14:38:38,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 14:38:38,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 14:38:38,479 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 14:38:38,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 14:38:38,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 14:38:38,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 14:38:38,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 14:38:38,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 14:38:38,928 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 14:38:38,929 INFO L432 ainManager$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 14:38:39,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af9ccf09/416dd8a675a4468fa725941ab909e3b0/FLAGebd9dfe40 [2020-12-17 14:38:39,903 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 14:38:39,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-12-17 14:38:39,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af9ccf09/416dd8a675a4468fa725941ab909e3b0/FLAGebd9dfe40 [2020-12-17 14:38:40,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af9ccf09/416dd8a675a4468fa725941ab909e3b0 [2020-12-17 14:38:40,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 14:38:40,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 14:38:40,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 14:38:40,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 14:38:40,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 14:38:40,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d54951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40, skipping insertion in model container [2020-12-17 14:38:40,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 14:38:40,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 14:38:40,401 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-17 14:38:40,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 14:38:40,621 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 14:38:40,640 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-17 14:38:40,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 14:38:40,763 INFO L208 MainTranslator]: Completed translation [2020-12-17 14:38:40,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40 WrapperNode [2020-12-17 14:38:40,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 14:38:40,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 14:38:40,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 14:38:40,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 14:38:40,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 14:38:40,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 14:38:40,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 14:38:40,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 14:38:40,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (1/1) ... [2020-12-17 14:38:40,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 14:38:40,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 14:38:40,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 14:38:40,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 14:38:40,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (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 14:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 14:38:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 14:38:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-17 14:38:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-12-17 14:38:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-12-17 14:38:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 14:38:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 14:38:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 14:38:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-17 14:38:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 14:38:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 14:38:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-12-17 14:38:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-12-17 14:38:40,957 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 14:38:41,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 14:38:41,535 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-17 14:38:41,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:38:41 BoogieIcfgContainer [2020-12-17 14:38:41,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 14:38:41,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 14:38:41,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 14:38:41,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 14:38:41,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:38:40" (1/3) ... [2020-12-17 14:38:41,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3224adea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:38:41, skipping insertion in model container [2020-12-17 14:38:41,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:38:40" (2/3) ... [2020-12-17 14:38:41,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3224adea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:38:41, skipping insertion in model container [2020-12-17 14:38:41,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:38:41" (3/3) ... [2020-12-17 14:38:41,548 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2020-12-17 14:38:41,563 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 14:38:41,563 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 14:38:41,568 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-17 14:38:41,569 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 14:38:41,605 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,606 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,606 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,606 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,606 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,607 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,607 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,607 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,607 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,608 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,608 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,608 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,608 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,608 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,609 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,609 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,609 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,610 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,611 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,611 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,611 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,611 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,611 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,612 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,612 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,612 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,612 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,612 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,613 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,613 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,613 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,613 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,614 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,614 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,614 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,614 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,615 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,615 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,615 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,615 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,616 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,616 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,616 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,617 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,617 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,617 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,617 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,617 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,618 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,618 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,618 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,618 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,618 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,619 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,619 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,619 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,620 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,620 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,620 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,620 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,620 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,621 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,621 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,621 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,621 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,622 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,622 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,622 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,622 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,622 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,623 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,623 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,623 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,623 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,623 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,624 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,624 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,624 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,624 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,625 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,625 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,625 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,625 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,626 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,626 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,626 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,626 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,626 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,627 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,627 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,627 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,627 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,628 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,628 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,628 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,628 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,628 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,629 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,629 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,629 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,630 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,630 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,630 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,630 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,631 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,631 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,631 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,632 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,632 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,632 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,632 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,632 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,633 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,633 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,633 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,633 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,634 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,634 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,634 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,634 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,637 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,638 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,638 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,638 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,638 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,639 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,639 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,639 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,646 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,647 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,647 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,647 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,647 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,647 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,650 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,651 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,651 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,651 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,652 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,652 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,652 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,652 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,655 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,656 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,656 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 14:38:41,678 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-12-17 14:38:41,700 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-17 14:38:41,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 14:38:41,745 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 14:38:41,746 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 14:38:41,746 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 14:38:41,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 14:38:41,746 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 14:38:41,746 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 14:38:41,746 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 14:38:41,774 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 118 transitions, 304 flow [2020-12-17 14:38:55,305 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 14:38:55,665 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 14:38:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-17 14:38:55,714 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:38:55,715 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 14:38:55,716 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 14:38:55,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:38:55,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1644348079, now seen corresponding path program 1 times [2020-12-17 14:38:55,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:38:55,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042081325] [2020-12-17 14:38:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:38:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:38:56,109 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 14:38:56,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042081325] [2020-12-17 14:38:56,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:38:56,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:38:56,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482031396] [2020-12-17 14:38:56,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:38:56,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:38:56,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:38:56,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:38:56,235 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 14:38:58,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:38:58,779 INFO L93 Difference]: Finished difference Result 138727 states and 554705 transitions. [2020-12-17 14:38:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 14:38:58,782 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 14:38:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:00,107 INFO L225 Difference]: With dead ends: 138727 [2020-12-17 14:39:00,108 INFO L226 Difference]: Without dead ends: 110077 [2020-12-17 14:39:00,109 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 14:39:00,110 INFO L78 Accepts]: Start accepts. Automaton has 110077 states. Word has length 33 [2020-12-17 14:39:00,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:00,111 INFO L481 AbstractCegarLoop]: Abstraction has 110077 states. [2020-12-17 14:39:00,111 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 14:39:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 110077 states. [2020-12-17 14:39:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-17 14:39:00,126 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:00,126 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 14:39:00,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 14:39:00,127 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 14:39:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:00,128 INFO L82 PathProgramCache]: Analyzing trace with hash 776035827, now seen corresponding path program 1 times [2020-12-17 14:39:00,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:00,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216208529] [2020-12-17 14:39:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:00,266 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 14:39:00,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216208529] [2020-12-17 14:39:00,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:00,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 14:39:00,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767565295] [2020-12-17 14:39:00,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 14:39:00,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:00,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 14:39:00,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-17 14:39:00,274 INFO L87 Difference]: Start difference. First operand 110077 states. 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 14:39:01,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:01,972 INFO L93 Difference]: Finished difference Result 146539 states and 554793 transitions. [2020-12-17 14:39:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 14:39:01,973 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 14:39:01,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:03,283 INFO L225 Difference]: With dead ends: 146539 [2020-12-17 14:39:03,293 INFO L226 Difference]: Without dead ends: 145579 [2020-12-17 14:39:03,294 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 14:39:03,297 INFO L78 Accepts]: Start accepts. Automaton has 145579 states. Word has length 36 [2020-12-17 14:39:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:03,298 INFO L481 AbstractCegarLoop]: Abstraction has 145579 states. [2020-12-17 14:39:03,298 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 14:39:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 145579 states. [2020-12-17 14:39:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-17 14:39:03,321 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:03,321 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 14:39:03,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 14:39:03,322 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 14:39:03,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:03,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1338912243, now seen corresponding path program 2 times [2020-12-17 14:39:03,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:03,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174981340] [2020-12-17 14:39:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:03,474 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 14:39:03,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174981340] [2020-12-17 14:39:03,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:03,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-17 14:39:03,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021256777] [2020-12-17 14:39:03,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-17 14:39:03,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:03,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-17 14:39:03,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 14:39:03,477 INFO L87 Difference]: Start difference. First operand 145579 states. 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 14:39:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:03,864 INFO L93 Difference]: Finished difference Result 66808 states and 240535 transitions. [2020-12-17 14:39:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-17 14:39:03,865 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 14:39:03,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:04,518 INFO L225 Difference]: With dead ends: 66808 [2020-12-17 14:39:04,519 INFO L226 Difference]: Without dead ends: 65656 [2020-12-17 14:39:04,519 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 14:39:04,519 INFO L78 Accepts]: Start accepts. Automaton has 65656 states. Word has length 36 [2020-12-17 14:39:04,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:04,520 INFO L481 AbstractCegarLoop]: Abstraction has 65656 states. [2020-12-17 14:39:04,529 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 14:39:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65656 states. [2020-12-17 14:39:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-17 14:39:04,562 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:04,563 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 14:39:04,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 14:39:04,563 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 14:39:04,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:04,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1715267170, now seen corresponding path program 1 times [2020-12-17 14:39:04,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:04,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141209344] [2020-12-17 14:39:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:04,873 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 14:39:04,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141209344] [2020-12-17 14:39:04,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:04,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:39:04,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741536172] [2020-12-17 14:39:04,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:39:04,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:04,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:39:04,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:39:04,878 INFO L87 Difference]: Start difference. First operand 65656 states. 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 14:39:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:05,395 INFO L93 Difference]: Finished difference Result 58672 states and 207815 transitions. [2020-12-17 14:39:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 14:39:05,395 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 14:39:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:05,506 INFO L225 Difference]: With dead ends: 58672 [2020-12-17 14:39:05,507 INFO L226 Difference]: Without dead ends: 44575 [2020-12-17 14:39:05,507 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-12-17 14:39:05,507 INFO L78 Accepts]: Start accepts. Automaton has 44575 states. Word has length 39 [2020-12-17 14:39:05,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:05,509 INFO L481 AbstractCegarLoop]: Abstraction has 44575 states. [2020-12-17 14:39:05,509 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 14:39:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 44575 states. [2020-12-17 14:39:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-17 14:39:05,533 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:05,533 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 14:39:05,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 14:39:05,534 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 14:39:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:05,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2141698371, now seen corresponding path program 1 times [2020-12-17 14:39:05,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:05,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496502181] [2020-12-17 14:39:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:05,606 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 14:39:05,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496502181] [2020-12-17 14:39:05,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:05,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:39:05,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796372769] [2020-12-17 14:39:05,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:39:05,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:05,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:39:05,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:39:05,608 INFO L87 Difference]: Start difference. First operand 44575 states. 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 14:39:06,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:06,533 INFO L93 Difference]: Finished difference Result 40927 states and 143940 transitions. [2020-12-17 14:39:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 14:39:06,534 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 14:39:06,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:06,624 INFO L225 Difference]: With dead ends: 40927 [2020-12-17 14:39:06,624 INFO L226 Difference]: Without dead ends: 38176 [2020-12-17 14:39:06,624 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-17 14:39:06,624 INFO L78 Accepts]: Start accepts. Automaton has 38176 states. Word has length 44 [2020-12-17 14:39:06,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:06,625 INFO L481 AbstractCegarLoop]: Abstraction has 38176 states. [2020-12-17 14:39:06,625 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 14:39:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 38176 states. [2020-12-17 14:39:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-17 14:39:06,646 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:06,646 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 14:39:06,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 14:39:06,646 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 14:39:06,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:06,647 INFO L82 PathProgramCache]: Analyzing trace with hash -429774811, now seen corresponding path program 1 times [2020-12-17 14:39:06,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:06,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105894138] [2020-12-17 14:39:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:06,715 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 14:39:06,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105894138] [2020-12-17 14:39:06,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:06,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:39:06,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34687327] [2020-12-17 14:39:06,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:39:06,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:39:06,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:39:06,718 INFO L87 Difference]: Start difference. First operand 38176 states. 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 14:39:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:07,094 INFO L93 Difference]: Finished difference Result 34528 states and 120318 transitions. [2020-12-17 14:39:07,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-17 14:39:07,095 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 14:39:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:07,162 INFO L225 Difference]: With dead ends: 34528 [2020-12-17 14:39:07,162 INFO L226 Difference]: Without dead ends: 29929 [2020-12-17 14:39:07,162 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-17 14:39:07,163 INFO L78 Accepts]: Start accepts. Automaton has 29929 states. Word has length 44 [2020-12-17 14:39:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:07,163 INFO L481 AbstractCegarLoop]: Abstraction has 29929 states. [2020-12-17 14:39:07,163 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 14:39:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29929 states. [2020-12-17 14:39:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 14:39:07,548 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:07,548 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 14:39:07,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 14:39:07,549 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 14:39:07,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:07,549 INFO L82 PathProgramCache]: Analyzing trace with hash 71025350, now seen corresponding path program 1 times [2020-12-17 14:39:07,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:07,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025584505] [2020-12-17 14:39:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:07,718 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 14:39:07,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025584505] [2020-12-17 14:39:07,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:07,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:39:07,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917888105] [2020-12-17 14:39:07,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:39:07,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:07,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:39:07,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:39:07,722 INFO L87 Difference]: Start difference. First operand 29929 states. 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 14:39:07,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:07,963 INFO L93 Difference]: Finished difference Result 30409 states and 105229 transitions. [2020-12-17 14:39:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-17 14:39:07,963 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 14:39:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:08,049 INFO L225 Difference]: With dead ends: 30409 [2020-12-17 14:39:08,050 INFO L226 Difference]: Without dead ends: 26629 [2020-12-17 14:39:08,050 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-17 14:39:08,051 INFO L78 Accepts]: Start accepts. Automaton has 26629 states. Word has length 52 [2020-12-17 14:39:08,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:08,051 INFO L481 AbstractCegarLoop]: Abstraction has 26629 states. [2020-12-17 14:39:08,052 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 14:39:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 26629 states. [2020-12-17 14:39:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 14:39:08,123 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:08,123 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 14:39:08,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 14:39:08,124 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 14:39:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:08,124 INFO L82 PathProgramCache]: Analyzing trace with hash -467333620, now seen corresponding path program 2 times [2020-12-17 14:39:08,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:08,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817257751] [2020-12-17 14:39:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 14:39:08,206 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 14:39:08,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817257751] [2020-12-17 14:39:08,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 14:39:08,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 14:39:08,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241180800] [2020-12-17 14:39:08,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 14:39:08,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 14:39:08,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 14:39:08,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-17 14:39:08,209 INFO L87 Difference]: Start difference. First operand 26629 states. 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 14:39:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 14:39:08,458 INFO L93 Difference]: Finished difference Result 27589 states and 95981 transitions. [2020-12-17 14:39:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-17 14:39:08,459 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 14:39:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 14:39:08,516 INFO L225 Difference]: With dead ends: 27589 [2020-12-17 14:39:08,516 INFO L226 Difference]: Without dead ends: 25720 [2020-12-17 14:39:08,516 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 14:39:08,516 INFO L78 Accepts]: Start accepts. Automaton has 25720 states. Word has length 52 [2020-12-17 14:39:08,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 14:39:08,517 INFO L481 AbstractCegarLoop]: Abstraction has 25720 states. [2020-12-17 14:39:08,517 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 14:39:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 25720 states. [2020-12-17 14:39:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-17 14:39:08,548 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 14:39:08,548 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 14:39:08,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 14:39:08,549 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 14:39:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 14:39:08,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2056037116, now seen corresponding path program 3 times [2020-12-17 14:39:08,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 14:39:08,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703943227] [2020-12-17 14:39:08,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 14:39:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 14:39:08,569 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 14:39:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 14:39:08,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 14:39:08,643 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 14:39:08,643 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 14:39:08,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-17 14:39:08,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 02:39:08 BasicIcfg [2020-12-17 14:39:08,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 14:39:08,774 INFO L168 Benchmark]: Toolchain (without parser) took 28634.19 ms. Allocated memory was 302.0 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 277.3 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,774 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 14:39:08,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.31 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 246.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.01 ms. Allocated memory is still 302.0 MB. Free memory was 246.7 MB in the beginning and 244.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,779 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,780 INFO L168 Benchmark]: RCFGBuilder took 682.40 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 261.6 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,782 INFO L168 Benchmark]: TraceAbstraction took 27227.70 ms. Allocated memory was 302.0 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 261.0 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2020-12-17 14:39:08,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 627.31 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 246.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.01 ms. Allocated memory is still 302.0 MB. Free memory was 246.7 MB in the beginning and 244.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.39 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 682.40 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 261.6 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 27227.70 ms. Allocated memory was 302.0 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 261.0 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.5 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: 26.9s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.5s, HoareTripleCheckerStatistics: 1857 SDtfs, 2076 SDslu, 4164 SDs, 0 SdLazy, 616 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145579occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.8s 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...