/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-New_States.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 09:45:26,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 09:45:26,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 09:45:26,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 09:45:26,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 09:45:26,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 09:45:26,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 09:45:26,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 09:45:26,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 09:45:26,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 09:45:26,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 09:45:26,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 09:45:26,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 09:45:26,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 09:45:26,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 09:45:26,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 09:45:26,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 09:45:26,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 09:45:26,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 09:45:26,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 09:45:26,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 09:45:26,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 09:45:26,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 09:45:26,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 09:45:26,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 09:45:26,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 09:45:26,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 09:45:26,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 09:45:26,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 09:45:26,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 09:45:26,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 09:45:26,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 09:45:26,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 09:45:26,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 09:45:26,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 09:45:26,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 09:45:26,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 09:45:26,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 09:45:26,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 09:45:26,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 09:45:26,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 09:45:26,841 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-New_States.epf [2020-11-12 09:45:26,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 09:45:26,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 09:45:26,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 09:45:26,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 09:45:26,877 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 09:45:26,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 09:45:26,877 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 09:45:26,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 09:45:26,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 09:45:26,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 09:45:26,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 09:45:26,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 09:45:26,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 09:45:26,879 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 09:45:26,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 09:45:26,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 09:45:26,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 09:45:26,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 09:45:26,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 09:45:26,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 09:45:26,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 09:45:26,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:45:26,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 09:45:26,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 09:45:26,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 09:45:26,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 09:45:26,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 09:45:26,882 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 09:45:26,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 09:45:26,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 09:45:26,883 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 09:45:27,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 09:45:27,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 09:45:27,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 09:45:27,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 09:45:27,390 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 09:45:27,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-11-12 09:45:27,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3eebb0d/7d169d40e4dc4616a7fb31389a9b26a3/FLAG42ed22bc3 [2020-11-12 09:45:28,469 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 09:45:28,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2020-11-12 09:45:28,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3eebb0d/7d169d40e4dc4616a7fb31389a9b26a3/FLAG42ed22bc3 [2020-11-12 09:45:28,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3eebb0d/7d169d40e4dc4616a7fb31389a9b26a3 [2020-11-12 09:45:28,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 09:45:28,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 09:45:28,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 09:45:28,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 09:45:28,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 09:45:28,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:45:28" (1/1) ... [2020-11-12 09:45:28,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ba5e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:28, skipping insertion in model container [2020-11-12 09:45:28,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:45:28" (1/1) ... [2020-11-12 09:45:28,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 09:45:28,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 09:45:28,915 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 09:45:29,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:45:29,304 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 09:45:29,322 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 09:45:29,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:45:29,480 INFO L208 MainTranslator]: Completed translation [2020-11-12 09:45:29,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29 WrapperNode [2020-11-12 09:45:29,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 09:45:29,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 09:45:29,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 09:45:29,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 09:45:29,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 09:45:29,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 09:45:29,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 09:45:29,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 09:45:29,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... [2020-11-12 09:45:29,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 09:45:29,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 09:45:29,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 09:45:29,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 09:45:29,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:45:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 09:45:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 09:45:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 09:45:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-11-12 09:45:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-11-12 09:45:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 09:45:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 09:45:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 09:45:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 09:45:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 09:45:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 09:45:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-11-12 09:45:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-11-12 09:45:29,712 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 09:45:30,607 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 09:45:30,607 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-12 09:45:30,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:45:30 BoogieIcfgContainer [2020-11-12 09:45:30,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 09:45:30,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 09:45:30,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 09:45:30,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 09:45:30,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:45:28" (1/3) ... [2020-11-12 09:45:30,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f870e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:45:30, skipping insertion in model container [2020-11-12 09:45:30,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:45:29" (2/3) ... [2020-11-12 09:45:30,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f870e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:45:30, skipping insertion in model container [2020-11-12 09:45:30,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:45:30" (3/3) ... [2020-11-12 09:45:30,624 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2020-11-12 09:45:30,647 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 09:45:30,647 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 09:45:30,653 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 09:45:30,655 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 09:45:30,730 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,730 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,731 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,731 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,731 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,731 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,731 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,733 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,733 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,733 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,734 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,734 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,735 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,735 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,736 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,736 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,736 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,737 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,740 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,740 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,740 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,740 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,742 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,742 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,742 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,742 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,744 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,746 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,747 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,748 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,748 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,748 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,749 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,750 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,750 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,750 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,750 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,751 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,751 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,751 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,751 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,751 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,752 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,752 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,752 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,752 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,753 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,753 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,754 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,754 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,755 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,755 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,755 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,755 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,756 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,756 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,757 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,757 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,757 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,758 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,762 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,762 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,762 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,763 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,763 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,764 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,764 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,764 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,765 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,765 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,766 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,766 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,767 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,767 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,768 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,768 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,769 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,769 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,770 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,770 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,770 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,772 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,773 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,779 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,779 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,781 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,782 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,786 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,788 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,788 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,789 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,789 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,795 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,795 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,796 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,796 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,796 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,796 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,803 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,804 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,806 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,807 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,807 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,807 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,807 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,807 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,808 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,811 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,811 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,811 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,812 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,812 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,812 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,815 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,816 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,816 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,817 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,817 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,817 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:45:30,860 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-11-12 09:45:30,876 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-12 09:45:30,905 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 09:45:30,906 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 09:45:30,906 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 09:45:30,906 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 09:45:30,906 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 09:45:30,906 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 09:45:30,906 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 09:45:30,907 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 09:45:30,924 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 102 transitions, 272 flow [2020-11-12 09:45:34,741 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34514 states, 34510 states have (on average 3.9627933932193566) internal successors, (136756), 34513 states have internal predecessors, (136756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:39,903 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 5155ms [2020-11-12 09:45:39,973 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 34514 states, 34510 states have (on average 3.9627933932193566) internal successors, (136756), 34513 states have internal predecessors, (136756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:40,562 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 157351 states, 145178 states have (on average 1.7529928777087438) internal successors, (254496), 157350 states have internal predecessors, (254496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 157351 states, 145178 states have (on average 1.7529928777087438) internal successors, (254496), 157350 states have internal predecessors, (254496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-12 09:45:40,770 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:40,771 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:40,772 INFO L429 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:40,783 INFO L82 PathProgramCache]: Analyzing trace with hash -665988970, now seen corresponding path program 1 times [2020-11-12 09:45:40,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:40,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494830962] [2020-11-12 09:45:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:45:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:45:41,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494830962] [2020-11-12 09:45:41,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:45:41,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:45:41,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565569649] [2020-11-12 09:45:41,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:45:41,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:45:41,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:45:41,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:45:41,361 INFO L87 Difference]: Start difference. First operand has 157351 states, 145178 states have (on average 1.7529928777087438) internal successors, (254496), 157350 states have internal predecessors, (254496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:45:43,311 INFO L93 Difference]: Finished difference Result 179553 states and 286940 transitions. [2020-11-12 09:45:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 09:45:43,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2020-11-12 09:45:43,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:45:43,672 INFO L225 Difference]: With dead ends: 179553 [2020-11-12 09:45:43,672 INFO L226 Difference]: Without dead ends: 54709 [2020-11-12 09:45:43,674 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:45:44,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54709 states. [2020-11-12 09:45:45,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54709 to 36602. [2020-11-12 09:45:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36602 states, 35236 states have (on average 1.569673061641503) internal successors, (55309), 36601 states have internal predecessors, (55309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36602 states to 36602 states and 55309 transitions. [2020-11-12 09:45:46,297 INFO L78 Accepts]: Start accepts. Automaton has 36602 states and 55309 transitions. Word has length 28 [2020-11-12 09:45:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:45:46,298 INFO L481 AbstractCegarLoop]: Abstraction has 36602 states and 55309 transitions. [2020-11-12 09:45:46,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 36602 states and 55309 transitions. [2020-11-12 09:45:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 09:45:46,302 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:46,302 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:46,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 09:45:46,304 INFO L429 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:46,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:46,305 INFO L82 PathProgramCache]: Analyzing trace with hash -475284702, now seen corresponding path program 1 times [2020-11-12 09:45:46,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:46,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332042138] [2020-11-12 09:45:46,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:45:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:45:46,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332042138] [2020-11-12 09:45:46,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:45:46,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:45:46,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137822046] [2020-11-12 09:45:46,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 09:45:46,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:45:46,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 09:45:46,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:45:46,424 INFO L87 Difference]: Start difference. First operand 36602 states and 55309 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:45:46,853 INFO L93 Difference]: Finished difference Result 27960 states and 36787 transitions. [2020-11-12 09:45:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 09:45:46,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2020-11-12 09:45:46,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:45:46,945 INFO L225 Difference]: With dead ends: 27960 [2020-11-12 09:45:46,945 INFO L226 Difference]: Without dead ends: 24931 [2020-11-12 09:45:46,946 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:45:47,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24931 states. [2020-11-12 09:45:48,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24931 to 24843. [2020-11-12 09:45:48,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24843 states, 23430 states have (on average 1.4291933418693983) internal successors, (33486), 24842 states have internal predecessors, (33486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24843 states to 24843 states and 33486 transitions. [2020-11-12 09:45:48,202 INFO L78 Accepts]: Start accepts. Automaton has 24843 states and 33486 transitions. Word has length 31 [2020-11-12 09:45:48,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:45:48,209 INFO L481 AbstractCegarLoop]: Abstraction has 24843 states and 33486 transitions. [2020-11-12 09:45:48,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24843 states and 33486 transitions. [2020-11-12 09:45:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-12 09:45:48,218 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:48,219 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:48,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 09:45:48,219 INFO L429 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:48,224 INFO L82 PathProgramCache]: Analyzing trace with hash -517504678, now seen corresponding path program 2 times [2020-11-12 09:45:48,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:48,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100490512] [2020-11-12 09:45:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:45:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:45:48,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100490512] [2020-11-12 09:45:48,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:45:48,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:45:48,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541731476] [2020-11-12 09:45:48,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:45:48,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:45:48,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:45:48,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:45:48,383 INFO L87 Difference]: Start difference. First operand 24843 states and 33486 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:45:48,477 INFO L93 Difference]: Finished difference Result 16697 states and 19005 transitions. [2020-11-12 09:45:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 09:45:48,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2020-11-12 09:45:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:45:48,519 INFO L225 Difference]: With dead ends: 16697 [2020-11-12 09:45:48,519 INFO L226 Difference]: Without dead ends: 16387 [2020-11-12 09:45:48,521 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:45:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16387 states. [2020-11-12 09:45:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16387 to 14278. [2020-11-12 09:45:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14278 states, 13220 states have (on average 1.2590015128593042) internal successors, (16644), 14277 states have internal predecessors, (16644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14278 states to 14278 states and 16644 transitions. [2020-11-12 09:45:48,905 INFO L78 Accepts]: Start accepts. Automaton has 14278 states and 16644 transitions. Word has length 31 [2020-11-12 09:45:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:45:48,905 INFO L481 AbstractCegarLoop]: Abstraction has 14278 states and 16644 transitions. [2020-11-12 09:45:48,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 14278 states and 16644 transitions. [2020-11-12 09:45:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-12 09:45:48,909 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:48,909 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:48,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 09:45:48,909 INFO L429 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:48,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:48,911 INFO L82 PathProgramCache]: Analyzing trace with hash -243206914, now seen corresponding path program 1 times [2020-11-12 09:45:48,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:48,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593664872] [2020-11-12 09:45:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:45:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:45:49,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593664872] [2020-11-12 09:45:49,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:45:49,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:45:49,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611766315] [2020-11-12 09:45:49,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:45:49,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:45:49,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:45:49,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:45:49,034 INFO L87 Difference]: Start difference. First operand 14278 states and 16644 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:45:49,155 INFO L93 Difference]: Finished difference Result 14184 states and 15972 transitions. [2020-11-12 09:45:49,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 09:45:49,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2020-11-12 09:45:49,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:45:49,174 INFO L225 Difference]: With dead ends: 14184 [2020-11-12 09:45:49,175 INFO L226 Difference]: Without dead ends: 6018 [2020-11-12 09:45:49,175 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:45:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6018 states. [2020-11-12 09:45:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6018 to 5603. [2020-11-12 09:45:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5603 states, 5363 states have (on average 1.2524706321088943) internal successors, (6717), 5602 states have internal predecessors, (6717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 5603 states and 6717 transitions. [2020-11-12 09:45:49,429 INFO L78 Accepts]: Start accepts. Automaton has 5603 states and 6717 transitions. Word has length 34 [2020-11-12 09:45:49,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:45:49,430 INFO L481 AbstractCegarLoop]: Abstraction has 5603 states and 6717 transitions. [2020-11-12 09:45:49,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 6717 transitions. [2020-11-12 09:45:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 09:45:49,440 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:49,441 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:49,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 09:45:49,441 INFO L429 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:49,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:49,442 INFO L82 PathProgramCache]: Analyzing trace with hash -389721177, now seen corresponding path program 1 times [2020-11-12 09:45:49,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:49,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536204820] [2020-11-12 09:45:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:45:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:45:49,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536204820] [2020-11-12 09:45:49,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:45:49,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 09:45:49,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399120913] [2020-11-12 09:45:49,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 09:45:49,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:45:49,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 09:45:49,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-12 09:45:49,899 INFO L87 Difference]: Start difference. First operand 5603 states and 6717 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:45:50,049 INFO L93 Difference]: Finished difference Result 5662 states and 6628 transitions. [2020-11-12 09:45:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 09:45:50,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 09:45:50,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:45:50,065 INFO L225 Difference]: With dead ends: 5662 [2020-11-12 09:45:50,065 INFO L226 Difference]: Without dead ends: 4840 [2020-11-12 09:45:50,065 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-12 09:45:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2020-11-12 09:45:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 4818. [2020-11-12 09:45:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4818 states, 4578 states have (on average 1.261467889908257) internal successors, (5775), 4817 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 5775 transitions. [2020-11-12 09:45:50,187 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 5775 transitions. Word has length 45 [2020-11-12 09:45:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:45:50,188 INFO L481 AbstractCegarLoop]: Abstraction has 4818 states and 5775 transitions. [2020-11-12 09:45:50,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:45:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 5775 transitions. [2020-11-12 09:45:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 09:45:50,195 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:45:50,195 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:45:50,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 09:45:50,196 INFO L429 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-12 09:45:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:45:50,197 INFO L82 PathProgramCache]: Analyzing trace with hash 821711809, now seen corresponding path program 2 times [2020-11-12 09:45:50,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:45:50,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782788] [2020-11-12 09:45:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:45:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 09:45:50,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 09:45:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 09:45:50,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 09:45:50,349 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 09:45:50,349 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 09:45:50,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 09:45:50,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 09:45:50 BasicIcfg [2020-11-12 09:45:50,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 09:45:50,486 INFO L168 Benchmark]: Toolchain (without parser) took 21879.72 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 274.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 721.2 MB. Max. memory is 16.0 GB. [2020-11-12 09:45:50,488 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:45:50,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.38 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 264.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.0 GB. [2020-11-12 09:45:50,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 302.0 MB. Free memory was 264.5 MB in the beginning and 262.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:45:50,498 INFO L168 Benchmark]: Boogie Preprocessor took 71.20 ms. Allocated memory is still 302.0 MB. Free memory was 262.5 MB in the beginning and 261.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:45:50,499 INFO L168 Benchmark]: RCFGBuilder took 994.22 ms. Allocated memory is still 302.0 MB. Free memory was 261.2 MB in the beginning and 264.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.0 GB. [2020-11-12 09:45:50,499 INFO L168 Benchmark]: TraceAbstraction took 19867.57 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 264.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 711.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:45:50,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 871.38 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 264.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.43 ms. Allocated memory is still 302.0 MB. Free memory was 264.5 MB in the beginning and 262.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 71.20 ms. Allocated memory is still 302.0 MB. Free memory was 262.5 MB in the beginning and 261.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 994.22 ms. Allocated memory is still 302.0 MB. Free memory was 261.2 MB in the beginning and 264.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19867.57 ms. Allocated memory was 302.0 MB in the beginning and 8.2 GB in the end (delta: 7.9 GB). Free memory was 264.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 711.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 16]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L704] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L740] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L741] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L742] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L720] 2 int l; VAL [r=0, w=0, x=0, y=0] [L721] CALL 2 __VERIFIER_atomic_take_read_lock() [L710] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L710] RET 2 assume_abort_if_not(w==0) [L711] 2 r = r+1 [L721] RET 2 __VERIFIER_atomic_take_read_lock() [L723] 2 l = x VAL [r=1, w=0, x=0, y=0] [L726] 2 y = l VAL [r=1, w=0, x=0, y=0] [L729] COND FALSE 2 !(!(y == x)) VAL [r=1, w=0, x=0, y=0] [L732] 2 l = r-1 VAL [r=1, w=0, x=0, y=0] [L743] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L744] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=1, w=0, x=0, y=0] [L720] 4 int l; VAL [r=1, w=0, x=0, y=0] [L721] CALL 4 __VERIFIER_atomic_take_read_lock() [L710] CALL 4 assume_abort_if_not(w==0) [L3] COND FALSE 4 !(!cond) [L710] RET 4 assume_abort_if_not(w==0) [L711] 4 r = r+1 [L721] RET 4 __VERIFIER_atomic_take_read_lock() [L723] 4 l = x VAL [r=2, w=0, x=0, y=0] [L726] 4 y = l VAL [r=2, w=0, x=0, y=0] [L735] 2 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L715] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L729] COND TRUE 4 !(y == x) [L16] COND FALSE 4 !(0) [L16] 4 __assert_fail ("0", "read_write_lock-2.c", 7, __extension__ __PRETTY_FUNCTION__) VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: 697 SDtfs, 488 SDslu, 889 SDs, 0 SdLazy, 164 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157351occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 20741 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...