/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-e5469eb [2021-01-20 12:08:24,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 12:08:24,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 12:08:24,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 12:08:24,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 12:08:24,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 12:08:24,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 12:08:24,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 12:08:24,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 12:08:24,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 12:08:24,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 12:08:24,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 12:08:24,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 12:08:24,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 12:08:24,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 12:08:24,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 12:08:24,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 12:08:24,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 12:08:24,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 12:08:24,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 12:08:24,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 12:08:24,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 12:08:24,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 12:08:24,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 12:08:24,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 12:08:24,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 12:08:24,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 12:08:24,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 12:08:24,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 12:08:24,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 12:08:24,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 12:08:24,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 12:08:24,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 12:08:24,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 12:08:24,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 12:08:24,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 12:08:24,652 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 [2021-01-20 12:08:24,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 12:08:24,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 12:08:24,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 12:08:24,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 12:08:24,726 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 12:08:24,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 12:08:24,727 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 12:08:24,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 12:08:24,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 12:08:24,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 12:08:24,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 12:08:24,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 12:08:24,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 12:08:24,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 12:08:24,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 12:08:24,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 12:08:24,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 12:08:24,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 12:08:24,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 12:08:24,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 12:08:24,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 12:08:24,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 12:08:24,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 12:08:24,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 12:08:24,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 12:08:24,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 12:08:24,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 12:08:24,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 12:08:24,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 12:08:24,734 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 12:08:24,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 12:08:25,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 12:08:25,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 12:08:25,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 12:08:25,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 12:08:25,239 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 12:08:25,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-01-20 12:08:25,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a47524/c78fbfa873d84fc0b3daca6875109578/FLAG832d92eee [2021-01-20 12:08:26,125 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 12:08:26,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-01-20 12:08:26,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a47524/c78fbfa873d84fc0b3daca6875109578/FLAG832d92eee [2021-01-20 12:08:26,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a47524/c78fbfa873d84fc0b3daca6875109578 [2021-01-20 12:08:26,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 12:08:26,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 12:08:26,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 12:08:26,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 12:08:26,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 12:08:26,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 12:08:26" (1/1) ... [2021-01-20 12:08:26,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d54672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:26, skipping insertion in model container [2021-01-20 12:08:26,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 12:08:26" (1/1) ... [2021-01-20 12:08:26,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 12:08:26,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 12:08:26,737 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-20 12:08:26,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 12:08:26,948 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 12:08:26,980 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-01-20 12:08:27,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 12:08:27,155 INFO L208 MainTranslator]: Completed translation [2021-01-20 12:08:27,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27 WrapperNode [2021-01-20 12:08:27,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 12:08:27,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 12:08:27,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 12:08:27,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 12:08:27,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 12:08:27,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 12:08:27,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 12:08:27,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 12:08:27,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... [2021-01-20 12:08:27,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 12:08:27,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 12:08:27,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 12:08:27,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 12:08:27,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 12:08:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 12:08:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 12:08:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 12:08:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-01-20 12:08:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-01-20 12:08:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 12:08:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 12:08:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 12:08:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 12:08:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 12:08:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 12:08:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-01-20 12:08:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-01-20 12:08:27,410 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 12:08:28,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 12:08:28,192 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2021-01-20 12:08:28,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 12:08:28 BoogieIcfgContainer [2021-01-20 12:08:28,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 12:08:28,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 12:08:28,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 12:08:28,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 12:08:28,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 12:08:26" (1/3) ... [2021-01-20 12:08:28,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb661e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 12:08:28, skipping insertion in model container [2021-01-20 12:08:28,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 12:08:27" (2/3) ... [2021-01-20 12:08:28,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb661e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 12:08:28, skipping insertion in model container [2021-01-20 12:08:28,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 12:08:28" (3/3) ... [2021-01-20 12:08:28,208 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-01-20 12:08:28,227 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 12:08:28,227 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 12:08:28,232 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 12:08:28,233 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 12:08:28,293 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,294 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,294 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,295 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,295 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,296 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,297 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,298 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,298 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,299 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,299 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,299 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,299 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,300 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,301 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,301 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,302 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,302 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,303 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,303 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,303 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,303 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,303 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,304 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,304 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,305 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,305 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,306 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,306 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,306 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,307 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,307 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,307 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,307 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,308 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,308 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,308 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,308 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,310 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,310 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,310 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,310 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,311 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,311 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,311 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,311 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,312 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,312 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,312 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,312 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,313 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,313 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,313 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,313 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,314 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,314 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,315 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,315 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,315 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,316 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,316 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,316 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,316 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,316 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,317 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,317 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,318 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,319 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,319 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,320 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,320 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,320 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,320 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,321 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,322 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,323 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,323 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,323 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,324 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,324 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,324 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,324 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,326 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,327 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,327 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,327 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,327 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,328 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,328 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,329 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,330 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,333 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,336 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,336 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,336 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,345 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,346 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,346 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,346 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,346 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,347 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,352 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,353 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,353 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,353 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,353 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,353 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,354 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,354 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,354 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,354 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,354 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,357 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,358 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,358 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,361 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,362 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,362 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,367 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,368 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,368 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,368 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,368 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,369 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,369 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,369 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,370 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,370 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,370 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,372 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,373 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,373 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,373 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,373 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,374 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 12:08:28,400 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-01-20 12:08:28,413 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 12:08:28,457 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 12:08:28,457 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 12:08:28,457 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 12:08:28,457 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 12:08:28,457 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 12:08:28,458 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 12:08:28,458 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 12:08:28,458 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 12:08:28,479 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 118 transitions, 304 flow [2021-01-20 12:08:42,581 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) [2021-01-20 12:08:42,819 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) [2021-01-20 12:08:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-20 12:08:42,851 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:42,851 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] [2021-01-20 12:08:42,852 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]=== [2021-01-20 12:08:42,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:42,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1644348079, now seen corresponding path program 1 times [2021-01-20 12:08:42,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:42,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038260933] [2021-01-20 12:08:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:43,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038260933] [2021-01-20 12:08:43,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:43,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:43,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774983239] [2021-01-20 12:08:43,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:43,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:43,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:43,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:43,325 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) [2021-01-20 12:08:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:46,053 INFO L93 Difference]: Finished difference Result 138727 states and 554705 transitions. [2021-01-20 12:08:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-20 12:08:46,059 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 [2021-01-20 12:08:46,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:47,065 INFO L225 Difference]: With dead ends: 138727 [2021-01-20 12:08:47,066 INFO L226 Difference]: Without dead ends: 110077 [2021-01-20 12:08:47,070 INFO L769 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 [2021-01-20 12:08:47,070 INFO L78 Accepts]: Start accepts. Automaton has 110077 states. Word has length 33 [2021-01-20 12:08:47,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:47,073 INFO L481 AbstractCegarLoop]: Abstraction has 110077 states. [2021-01-20 12:08:47,073 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) [2021-01-20 12:08:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 110077 states. [2021-01-20 12:08:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-20 12:08:47,087 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:47,087 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] [2021-01-20 12:08:47,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 12:08:47,088 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]=== [2021-01-20 12:08:47,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:47,091 INFO L82 PathProgramCache]: Analyzing trace with hash 776035827, now seen corresponding path program 1 times [2021-01-20 12:08:47,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:47,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925928265] [2021-01-20 12:08:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:47,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925928265] [2021-01-20 12:08:47,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:47,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 12:08:47,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058850861] [2021-01-20 12:08:47,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 12:08:47,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 12:08:47,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 12:08:47,285 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) [2021-01-20 12:08:49,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:49,329 INFO L93 Difference]: Finished difference Result 146539 states and 554793 transitions. [2021-01-20 12:08:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 12:08:49,333 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 [2021-01-20 12:08:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:50,334 INFO L225 Difference]: With dead ends: 146539 [2021-01-20 12:08:50,334 INFO L226 Difference]: Without dead ends: 145579 [2021-01-20 12:08:50,335 INFO L769 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 [2021-01-20 12:08:50,336 INFO L78 Accepts]: Start accepts. Automaton has 145579 states. Word has length 36 [2021-01-20 12:08:50,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:50,336 INFO L481 AbstractCegarLoop]: Abstraction has 145579 states. [2021-01-20 12:08:50,337 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) [2021-01-20 12:08:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 145579 states. [2021-01-20 12:08:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-20 12:08:50,351 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:50,351 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] [2021-01-20 12:08:50,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 12:08:50,352 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]=== [2021-01-20 12:08:50,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1338912243, now seen corresponding path program 2 times [2021-01-20 12:08:50,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:50,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830552581] [2021-01-20 12:08:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:50,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830552581] [2021-01-20 12:08:50,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:50,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 12:08:50,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189208425] [2021-01-20 12:08:50,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 12:08:50,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:50,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 12:08:50,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 12:08:50,441 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) [2021-01-20 12:08:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:51,347 INFO L93 Difference]: Finished difference Result 66808 states and 240535 transitions. [2021-01-20 12:08:51,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 12:08:51,354 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 [2021-01-20 12:08:51,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:51,597 INFO L225 Difference]: With dead ends: 66808 [2021-01-20 12:08:51,597 INFO L226 Difference]: Without dead ends: 65656 [2021-01-20 12:08:51,597 INFO L769 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 [2021-01-20 12:08:51,597 INFO L78 Accepts]: Start accepts. Automaton has 65656 states. Word has length 36 [2021-01-20 12:08:51,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:51,598 INFO L481 AbstractCegarLoop]: Abstraction has 65656 states. [2021-01-20 12:08:51,598 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) [2021-01-20 12:08:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 65656 states. [2021-01-20 12:08:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-20 12:08:51,610 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:51,610 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] [2021-01-20 12:08:51,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 12:08:51,611 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]=== [2021-01-20 12:08:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:51,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1715267170, now seen corresponding path program 1 times [2021-01-20 12:08:51,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:51,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086655256] [2021-01-20 12:08:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:51,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086655256] [2021-01-20 12:08:51,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:51,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:51,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294498012] [2021-01-20 12:08:51,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:51,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:51,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:51,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:51,715 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) [2021-01-20 12:08:52,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:52,280 INFO L93 Difference]: Finished difference Result 58672 states and 207815 transitions. [2021-01-20 12:08:52,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-20 12:08:52,281 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 [2021-01-20 12:08:52,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:52,995 INFO L225 Difference]: With dead ends: 58672 [2021-01-20 12:08:52,995 INFO L226 Difference]: Without dead ends: 44575 [2021-01-20 12:08:52,995 INFO L769 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 [2021-01-20 12:08:52,996 INFO L78 Accepts]: Start accepts. Automaton has 44575 states. Word has length 39 [2021-01-20 12:08:53,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:53,000 INFO L481 AbstractCegarLoop]: Abstraction has 44575 states. [2021-01-20 12:08:53,000 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) [2021-01-20 12:08:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 44575 states. [2021-01-20 12:08:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-20 12:08:53,026 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:53,026 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] [2021-01-20 12:08:53,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 12:08:53,027 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]=== [2021-01-20 12:08:53,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2141698371, now seen corresponding path program 1 times [2021-01-20 12:08:53,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:53,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778606486] [2021-01-20 12:08:53,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:53,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778606486] [2021-01-20 12:08:53,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:53,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:53,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348490742] [2021-01-20 12:08:53,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:53,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:53,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:53,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:53,177 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) [2021-01-20 12:08:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:53,643 INFO L93 Difference]: Finished difference Result 40927 states and 143940 transitions. [2021-01-20 12:08:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-20 12:08:53,644 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 [2021-01-20 12:08:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:53,731 INFO L225 Difference]: With dead ends: 40927 [2021-01-20 12:08:53,731 INFO L226 Difference]: Without dead ends: 38176 [2021-01-20 12:08:53,731 INFO L769 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 [2021-01-20 12:08:53,731 INFO L78 Accepts]: Start accepts. Automaton has 38176 states. Word has length 44 [2021-01-20 12:08:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:53,732 INFO L481 AbstractCegarLoop]: Abstraction has 38176 states. [2021-01-20 12:08:53,732 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) [2021-01-20 12:08:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 38176 states. [2021-01-20 12:08:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-20 12:08:53,753 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:53,754 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] [2021-01-20 12:08:53,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 12:08:53,754 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]=== [2021-01-20 12:08:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash -429774811, now seen corresponding path program 1 times [2021-01-20 12:08:53,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:53,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258632061] [2021-01-20 12:08:53,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:53,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258632061] [2021-01-20 12:08:53,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:53,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:53,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254443114] [2021-01-20 12:08:53,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:53,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:53,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:53,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:53,843 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) [2021-01-20 12:08:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:54,714 INFO L93 Difference]: Finished difference Result 34528 states and 120318 transitions. [2021-01-20 12:08:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-20 12:08:54,715 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 [2021-01-20 12:08:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:54,789 INFO L225 Difference]: With dead ends: 34528 [2021-01-20 12:08:54,789 INFO L226 Difference]: Without dead ends: 29929 [2021-01-20 12:08:54,790 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 12:08:54,790 INFO L78 Accepts]: Start accepts. Automaton has 29929 states. Word has length 44 [2021-01-20 12:08:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:54,790 INFO L481 AbstractCegarLoop]: Abstraction has 29929 states. [2021-01-20 12:08:54,790 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) [2021-01-20 12:08:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29929 states. [2021-01-20 12:08:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-20 12:08:54,841 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:54,841 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] [2021-01-20 12:08:54,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 12:08:54,841 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]=== [2021-01-20 12:08:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:54,842 INFO L82 PathProgramCache]: Analyzing trace with hash 71025350, now seen corresponding path program 1 times [2021-01-20 12:08:54,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:54,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081554789] [2021-01-20 12:08:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:54,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081554789] [2021-01-20 12:08:54,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:54,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:54,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677109377] [2021-01-20 12:08:54,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:54,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:54,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:54,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:54,923 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) [2021-01-20 12:08:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:55,152 INFO L93 Difference]: Finished difference Result 30409 states and 105229 transitions. [2021-01-20 12:08:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-20 12:08:55,153 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 [2021-01-20 12:08:55,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:55,234 INFO L225 Difference]: With dead ends: 30409 [2021-01-20 12:08:55,235 INFO L226 Difference]: Without dead ends: 26629 [2021-01-20 12:08:55,235 INFO L769 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 [2021-01-20 12:08:55,236 INFO L78 Accepts]: Start accepts. Automaton has 26629 states. Word has length 52 [2021-01-20 12:08:55,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:55,236 INFO L481 AbstractCegarLoop]: Abstraction has 26629 states. [2021-01-20 12:08:55,236 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) [2021-01-20 12:08:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 26629 states. [2021-01-20 12:08:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-20 12:08:55,309 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:55,310 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] [2021-01-20 12:08:55,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 12:08:55,310 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]=== [2021-01-20 12:08:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:55,311 INFO L82 PathProgramCache]: Analyzing trace with hash -467333620, now seen corresponding path program 2 times [2021-01-20 12:08:55,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:55,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207323816] [2021-01-20 12:08:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 12:08:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 12:08:55,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207323816] [2021-01-20 12:08:55,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 12:08:55,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 12:08:55,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732751521] [2021-01-20 12:08:55,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 12:08:55,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 12:08:55,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 12:08:55,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-20 12:08:55,391 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) [2021-01-20 12:08:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 12:08:56,037 INFO L93 Difference]: Finished difference Result 27589 states and 95981 transitions. [2021-01-20 12:08:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-20 12:08:56,038 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 [2021-01-20 12:08:56,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 12:08:56,160 INFO L225 Difference]: With dead ends: 27589 [2021-01-20 12:08:56,161 INFO L226 Difference]: Without dead ends: 25720 [2021-01-20 12:08:56,161 INFO L769 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 [2021-01-20 12:08:56,161 INFO L78 Accepts]: Start accepts. Automaton has 25720 states. Word has length 52 [2021-01-20 12:08:56,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 12:08:56,162 INFO L481 AbstractCegarLoop]: Abstraction has 25720 states. [2021-01-20 12:08:56,162 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) [2021-01-20 12:08:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 25720 states. [2021-01-20 12:08:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-20 12:08:56,200 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 12:08:56,200 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] [2021-01-20 12:08:56,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 12:08:56,200 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]=== [2021-01-20 12:08:56,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 12:08:56,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2056037116, now seen corresponding path program 3 times [2021-01-20 12:08:56,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 12:08:56,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015209047] [2021-01-20 12:08:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 12:08:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 12:08:56,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 12:08:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 12:08:56,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 12:08:56,308 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 12:08:56,308 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 12:08:56,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 12:08:56,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 12:08:56 BasicIcfg [2021-01-20 12:08:56,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 12:08:56,393 INFO L168 Benchmark]: Toolchain (without parser) took 30041.25 ms. Allocated memory was 302.0 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 275.2 MB in the beginning and 9.1 GB in the end (delta: -8.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-01-20 12:08:56,394 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 12:08:56,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.14 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 274.6 MB in the end (delta: 437.6 kB). Peak memory consumption was 27.6 MB. Max. memory is 16.0 GB. [2021-01-20 12:08:56,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.97 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 272.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 12:08:56,396 INFO L168 Benchmark]: Boogie Preprocessor took 63.56 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 270.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 12:08:56,397 INFO L168 Benchmark]: RCFGBuilder took 880.70 ms. Allocated memory is still 302.0 MB. Free memory was 270.4 MB in the beginning and 240.0 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-20 12:08:56,398 INFO L168 Benchmark]: TraceAbstraction took 28191.10 ms. Allocated memory was 302.0 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 240.0 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-01-20 12:08:56,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 803.14 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 274.6 MB in the end (delta: 437.6 kB). Peak memory consumption was 27.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 88.97 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 272.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.56 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 270.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 880.70 ms. Allocated memory is still 302.0 MB. Free memory was 270.4 MB in the beginning and 240.0 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 28191.10 ms. Allocated memory was 302.0 MB in the beginning and 10.5 GB in the end (delta: 10.2 GB). Free memory was 240.0 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 1.3 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: 27.8s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.1s, 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, 0.6s 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, 0.6s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 24692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...