/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 00:07:30,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 00:07:30,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 00:07:30,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 00:07:30,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 00:07:30,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 00:07:30,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 00:07:30,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 00:07:30,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 00:07:30,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 00:07:30,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 00:07:30,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 00:07:30,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 00:07:30,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 00:07:30,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 00:07:30,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 00:07:30,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-15 00:07:30,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 00:07:30,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 00:07:30,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 00:07:30,084 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 [2021-04-15 00:07:30,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 00:07:30,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 00:07:30,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 00:07:30,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 00:07:30,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 00:07:30,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 00:07:30,118 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 00:07:30,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 00:07:30,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 00:07:30,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 00:07:30,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 00:07:30,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 00:07:30,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 00:07:30,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 00:07:30,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 00:07:30,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 00:07:30,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 00:07:30,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 00:07:30,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 00:07:30,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 00:07:30,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 00:07:30,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 00:07:30,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 00:07:30,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 00:07:30,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 00:07:30,429 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 00:07:30,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-04-15 00:07:30,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8beec38cd/92e1dae8a4224548bfa0fe03c8cfe09d/FLAGa98f89c46 [2021-04-15 00:07:30,915 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 00:07:30,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-04-15 00:07:30,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8beec38cd/92e1dae8a4224548bfa0fe03c8cfe09d/FLAGa98f89c46 [2021-04-15 00:07:31,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8beec38cd/92e1dae8a4224548bfa0fe03c8cfe09d [2021-04-15 00:07:31,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 00:07:31,227 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 00:07:31,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 00:07:31,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 00:07:31,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 00:07:31,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f37a1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31, skipping insertion in model container [2021-04-15 00:07:31,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 00:07:31,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 00:07:31,407 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-15 00:07:31,553 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-04-15 00:07:31,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 00:07:31,571 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 00:07:31,594 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-04-15 00:07:31,622 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-04-15 00:07:31,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 00:07:31,694 INFO L208 MainTranslator]: Completed translation [2021-04-15 00:07:31,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31 WrapperNode [2021-04-15 00:07:31,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 00:07:31,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 00:07:31,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 00:07:31,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 00:07:31,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 00:07:31,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 00:07:31,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 00:07:31,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 00:07:31,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (1/1) ... [2021-04-15 00:07:31,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 00:07:31,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 00:07:31,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 00:07:31,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 00:07:31,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (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 [2021-04-15 00:07:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-15 00:07:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 00:07:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 00:07:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-04-15 00:07:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-04-15 00:07:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 00:07:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 00:07:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 00:07:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 00:07:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 00:07:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 00:07:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-04-15 00:07:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-04-15 00:07:31,861 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 00:07:32,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 00:07:32,359 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-04-15 00:07:32,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:07:32 BoogieIcfgContainer [2021-04-15 00:07:32,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 00:07:32,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 00:07:32,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 00:07:32,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 00:07:32,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 12:07:31" (1/3) ... [2021-04-15 00:07:32,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abacdef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:07:32, skipping insertion in model container [2021-04-15 00:07:32,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:07:31" (2/3) ... [2021-04-15 00:07:32,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abacdef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:07:32, skipping insertion in model container [2021-04-15 00:07:32,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:07:32" (3/3) ... [2021-04-15 00:07:32,367 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-04-15 00:07:32,371 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 00:07:32,371 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 00:07:32,375 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 00:07:32,375 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 00:07:32,400 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,401 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,402 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,403 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,404 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,405 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,406 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,407 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,407 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,407 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,407 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,407 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,408 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,409 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,409 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,409 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,409 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,409 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,410 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,411 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,412 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,412 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,412 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,412 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,412 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,413 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,414 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,415 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,416 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,417 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,420 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,420 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,420 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,420 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,421 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,421 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,423 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,424 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,425 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,425 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,425 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,425 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,425 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,426 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,427 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,427 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,428 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,428 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,428 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,428 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 00:07:32,450 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-04-15 00:07:32,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-15 00:07:32,480 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 00:07:32,480 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 00:07:32,480 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 00:07:32,480 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 00:07:32,480 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 00:07:32,480 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 00:07:32,481 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 00:07:32,481 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 00:07:32,490 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 110 transitions, 288 flow [2021-04-15 00:07:36,431 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51722 states, 51718 states have (on average 4.137012258788043) internal successors, (213958), 51721 states have internal predecessors, (213958), 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) [2021-04-15 00:07:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 51722 states, 51718 states have (on average 4.137012258788043) internal successors, (213958), 51721 states have internal predecessors, (213958), 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) [2021-04-15 00:07:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-04-15 00:07:36,692 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:36,693 INFO L551 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] [2021-04-15 00:07:36,694 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:36,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:36,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1663789000, now seen corresponding path program 1 times [2021-04-15 00:07:36,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:36,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271796973] [2021-04-15 00:07:36,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:36,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271796973] [2021-04-15 00:07:36,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:36,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:36,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369716470] [2021-04-15 00:07:36,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:36,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:36,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:36,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:37,034 INFO L87 Difference]: Start difference. First operand has 51722 states, 51718 states have (on average 4.137012258788043) internal successors, (213958), 51721 states have internal predecessors, (213958), 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 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:38,472 INFO L93 Difference]: Finished difference Result 112219 states and 445921 transitions. [2021-04-15 00:07:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 00:07:38,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-04-15 00:07:38,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:39,175 INFO L225 Difference]: With dead ends: 112219 [2021-04-15 00:07:39,175 INFO L226 Difference]: Without dead ends: 83569 [2021-04-15 00:07:39,177 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 94.1ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-04-15 00:07:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83569 states. [2021-04-15 00:07:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83569 to 52135. [2021-04-15 00:07:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52135 states, 52132 states have (on average 4.005083250211003) internal successors, (208793), 52134 states have internal predecessors, (208793), 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) [2021-04-15 00:07:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52135 states to 52135 states and 208793 transitions. [2021-04-15 00:07:42,112 INFO L78 Accepts]: Start accepts. Automaton has 52135 states and 208793 transitions. Word has length 31 [2021-04-15 00:07:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:42,113 INFO L480 AbstractCegarLoop]: Abstraction has 52135 states and 208793 transitions. [2021-04-15 00:07:42,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 52135 states and 208793 transitions. [2021-04-15 00:07:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-04-15 00:07:42,422 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:42,422 INFO L551 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] [2021-04-15 00:07:42,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 00:07:42,422 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:42,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1022971134, now seen corresponding path program 1 times [2021-04-15 00:07:42,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:42,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895148207] [2021-04-15 00:07:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:42,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895148207] [2021-04-15 00:07:42,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:42,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 00:07:42,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447820392] [2021-04-15 00:07:42,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 00:07:42,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:42,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 00:07:42,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 00:07:42,603 INFO L87 Difference]: Start difference. First operand 52135 states and 208793 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:42,975 INFO L93 Difference]: Finished difference Result 48838 states and 188630 transitions. [2021-04-15 00:07:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 00:07:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-04-15 00:07:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:43,096 INFO L225 Difference]: With dead ends: 48838 [2021-04-15 00:07:43,096 INFO L226 Difference]: Without dead ends: 48406 [2021-04-15 00:07:43,097 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 00:07:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48406 states. [2021-04-15 00:07:44,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48406 to 48406. [2021-04-15 00:07:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48406 states, 48403 states have (on average 3.8631076586162014) internal successors, (186986), 48405 states have internal predecessors, (186986), 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) [2021-04-15 00:07:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48406 states to 48406 states and 186986 transitions. [2021-04-15 00:07:44,817 INFO L78 Accepts]: Start accepts. Automaton has 48406 states and 186986 transitions. Word has length 34 [2021-04-15 00:07:44,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:44,818 INFO L480 AbstractCegarLoop]: Abstraction has 48406 states and 186986 transitions. [2021-04-15 00:07:44,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 48406 states and 186986 transitions. [2021-04-15 00:07:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-04-15 00:07:44,822 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:44,822 INFO L551 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] [2021-04-15 00:07:44,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 00:07:44,822 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:44,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:44,823 INFO L82 PathProgramCache]: Analyzing trace with hash 140837638, now seen corresponding path program 2 times [2021-04-15 00:07:44,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:44,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638698987] [2021-04-15 00:07:44,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:45,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638698987] [2021-04-15 00:07:45,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:45,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 00:07:45,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433777383] [2021-04-15 00:07:45,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 00:07:45,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:45,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 00:07:45,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 00:07:45,284 INFO L87 Difference]: Start difference. First operand 48406 states and 186986 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:45,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:45,494 INFO L93 Difference]: Finished difference Result 42610 states and 152039 transitions. [2021-04-15 00:07:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 00:07:45,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-04-15 00:07:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:45,621 INFO L225 Difference]: With dead ends: 42610 [2021-04-15 00:07:45,621 INFO L226 Difference]: Without dead ends: 40978 [2021-04-15 00:07:45,622 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 00:07:45,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40978 states. [2021-04-15 00:07:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40978 to 33601. [2021-04-15 00:07:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33601 states, 33593 states have (on average 3.6115857470306314) internal successors, (121324), 33600 states have internal predecessors, (121324), 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) [2021-04-15 00:07:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33601 states to 33601 states and 121324 transitions. [2021-04-15 00:07:46,704 INFO L78 Accepts]: Start accepts. Automaton has 33601 states and 121324 transitions. Word has length 34 [2021-04-15 00:07:46,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:46,704 INFO L480 AbstractCegarLoop]: Abstraction has 33601 states and 121324 transitions. [2021-04-15 00:07:46,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 00:07:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 33601 states and 121324 transitions. [2021-04-15 00:07:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-04-15 00:07:46,709 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:46,709 INFO L551 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] [2021-04-15 00:07:46,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 00:07:46,709 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:46,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:46,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1484928555, now seen corresponding path program 1 times [2021-04-15 00:07:46,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:46,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036075397] [2021-04-15 00:07:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:46,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036075397] [2021-04-15 00:07:46,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:46,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:46,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799289801] [2021-04-15 00:07:46,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:46,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:46,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:46,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:46,758 INFO L87 Difference]: Start difference. First operand 33601 states and 121324 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-04-15 00:07:47,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:47,132 INFO L93 Difference]: Finished difference Result 44881 states and 158680 transitions. [2021-04-15 00:07:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 00:07:47,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 37 [2021-04-15 00:07:47,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:47,225 INFO L225 Difference]: With dead ends: 44881 [2021-04-15 00:07:47,225 INFO L226 Difference]: Without dead ends: 35263 [2021-04-15 00:07:47,226 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 85.2ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-04-15 00:07:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35263 states. [2021-04-15 00:07:47,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35263 to 27691. [2021-04-15 00:07:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27691 states, 27689 states have (on average 3.5684929033190076) internal successors, (98808), 27690 states have internal predecessors, (98808), 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) [2021-04-15 00:07:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27691 states to 27691 states and 98808 transitions. [2021-04-15 00:07:48,088 INFO L78 Accepts]: Start accepts. Automaton has 27691 states and 98808 transitions. Word has length 37 [2021-04-15 00:07:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:48,088 INFO L480 AbstractCegarLoop]: Abstraction has 27691 states and 98808 transitions. [2021-04-15 00:07:48,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-04-15 00:07:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 27691 states and 98808 transitions. [2021-04-15 00:07:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-04-15 00:07:48,102 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:48,103 INFO L551 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] [2021-04-15 00:07:48,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 00:07:48,103 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1718639830, now seen corresponding path program 1 times [2021-04-15 00:07:48,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:48,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006242191] [2021-04-15 00:07:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:48,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006242191] [2021-04-15 00:07:48,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:48,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:48,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844118739] [2021-04-15 00:07:48,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:48,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:48,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:48,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:48,194 INFO L87 Difference]: Start difference. First operand 27691 states and 98808 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-04-15 00:07:48,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:48,468 INFO L93 Difference]: Finished difference Result 33655 states and 117660 transitions. [2021-04-15 00:07:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 00:07:48,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-04-15 00:07:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:48,553 INFO L225 Difference]: With dead ends: 33655 [2021-04-15 00:07:48,553 INFO L226 Difference]: Without dead ends: 30931 [2021-04-15 00:07:48,553 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 73.7ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-04-15 00:07:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30931 states. [2021-04-15 00:07:49,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30931 to 24331. [2021-04-15 00:07:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24331 states, 24329 states have (on average 3.555756504583008) internal successors, (86508), 24330 states have internal predecessors, (86508), 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) [2021-04-15 00:07:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24331 states to 24331 states and 86508 transitions. [2021-04-15 00:07:49,357 INFO L78 Accepts]: Start accepts. Automaton has 24331 states and 86508 transitions. Word has length 42 [2021-04-15 00:07:49,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:49,357 INFO L480 AbstractCegarLoop]: Abstraction has 24331 states and 86508 transitions. [2021-04-15 00:07:49,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-04-15 00:07:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24331 states and 86508 transitions. [2021-04-15 00:07:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-04-15 00:07:49,369 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:49,369 INFO L551 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] [2021-04-15 00:07:49,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 00:07:49,369 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:49,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:49,370 INFO L82 PathProgramCache]: Analyzing trace with hash -2134686040, now seen corresponding path program 1 times [2021-04-15 00:07:49,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:49,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736012799] [2021-04-15 00:07:49,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:49,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736012799] [2021-04-15 00:07:49,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:49,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:49,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384478841] [2021-04-15 00:07:49,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:49,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:49,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:49,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:49,428 INFO L87 Difference]: Start difference. First operand 24331 states and 86508 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-04-15 00:07:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:49,684 INFO L93 Difference]: Finished difference Result 28519 states and 99424 transitions. [2021-04-15 00:07:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 00:07:49,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-04-15 00:07:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:50,033 INFO L225 Difference]: With dead ends: 28519 [2021-04-15 00:07:50,033 INFO L226 Difference]: Without dead ends: 23893 [2021-04-15 00:07:50,034 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 71.2ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-04-15 00:07:50,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23893 states. [2021-04-15 00:07:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23893 to 19009. [2021-04-15 00:07:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19009 states, 19007 states have (on average 3.5341190087862366) internal successors, (67173), 19008 states have internal predecessors, (67173), 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) [2021-04-15 00:07:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19009 states to 19009 states and 67173 transitions. [2021-04-15 00:07:50,443 INFO L78 Accepts]: Start accepts. Automaton has 19009 states and 67173 transitions. Word has length 42 [2021-04-15 00:07:50,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:50,443 INFO L480 AbstractCegarLoop]: Abstraction has 19009 states and 67173 transitions. [2021-04-15 00:07:50,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-04-15 00:07:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19009 states and 67173 transitions. [2021-04-15 00:07:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-04-15 00:07:50,462 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:50,462 INFO L551 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] [2021-04-15 00:07:50,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 00:07:50,462 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:50,462 INFO L82 PathProgramCache]: Analyzing trace with hash -669087806, now seen corresponding path program 1 times [2021-04-15 00:07:50,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:50,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092885655] [2021-04-15 00:07:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:50,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092885655] [2021-04-15 00:07:50,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:50,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:50,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304993272] [2021-04-15 00:07:50,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:50,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:50,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:50,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:50,520 INFO L87 Difference]: Start difference. First operand 19009 states and 67173 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:50,674 INFO L93 Difference]: Finished difference Result 21745 states and 76457 transitions. [2021-04-15 00:07:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 00:07:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 50 [2021-04-15 00:07:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:50,716 INFO L225 Difference]: With dead ends: 21745 [2021-04-15 00:07:50,716 INFO L226 Difference]: Without dead ends: 20065 [2021-04-15 00:07:50,716 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-15 00:07:50,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20065 states. [2021-04-15 00:07:51,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20065 to 18529. [2021-04-15 00:07:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18529 states, 18527 states have (on average 3.516003670318994) internal successors, (65141), 18528 states have internal predecessors, (65141), 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) [2021-04-15 00:07:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18529 states to 18529 states and 65141 transitions. [2021-04-15 00:07:51,325 INFO L78 Accepts]: Start accepts. Automaton has 18529 states and 65141 transitions. Word has length 50 [2021-04-15 00:07:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:51,325 INFO L480 AbstractCegarLoop]: Abstraction has 18529 states and 65141 transitions. [2021-04-15 00:07:51,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 18529 states and 65141 transitions. [2021-04-15 00:07:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-04-15 00:07:51,344 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:51,344 INFO L551 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] [2021-04-15 00:07:51,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-15 00:07:51,345 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:51,345 INFO L82 PathProgramCache]: Analyzing trace with hash 975249777, now seen corresponding path program 1 times [2021-04-15 00:07:51,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:51,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691845307] [2021-04-15 00:07:51,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:51,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691845307] [2021-04-15 00:07:51,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:51,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:51,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536940809] [2021-04-15 00:07:51,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:51,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:51,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:51,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:51,427 INFO L87 Difference]: Start difference. First operand 18529 states and 65141 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:51,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:51,544 INFO L93 Difference]: Finished difference Result 21265 states and 74425 transitions. [2021-04-15 00:07:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 00:07:51,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 50 [2021-04-15 00:07:51,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:51,580 INFO L225 Difference]: With dead ends: 21265 [2021-04-15 00:07:51,580 INFO L226 Difference]: Without dead ends: 18625 [2021-04-15 00:07:51,580 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-15 00:07:51,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18625 states. [2021-04-15 00:07:51,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18625 to 17089. [2021-04-15 00:07:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17089 states, 17087 states have (on average 3.4836425352607243) internal successors, (59525), 17088 states have internal predecessors, (59525), 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) [2021-04-15 00:07:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17089 states to 17089 states and 59525 transitions. [2021-04-15 00:07:51,869 INFO L78 Accepts]: Start accepts. Automaton has 17089 states and 59525 transitions. Word has length 50 [2021-04-15 00:07:51,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:51,869 INFO L480 AbstractCegarLoop]: Abstraction has 17089 states and 59525 transitions. [2021-04-15 00:07:51,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 17089 states and 59525 transitions. [2021-04-15 00:07:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-04-15 00:07:51,883 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:51,883 INFO L551 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] [2021-04-15 00:07:51,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-15 00:07:51,884 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:51,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:51,884 INFO L82 PathProgramCache]: Analyzing trace with hash -394902742, now seen corresponding path program 2 times [2021-04-15 00:07:51,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:51,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667681533] [2021-04-15 00:07:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 00:07:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 00:07:51,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667681533] [2021-04-15 00:07:51,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 00:07:51,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 00:07:51,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896131281] [2021-04-15 00:07:51,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 00:07:51,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 00:07:51,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 00:07:51,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-15 00:07:51,946 INFO L87 Difference]: Start difference. First operand 17089 states and 59525 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:52,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 00:07:52,089 INFO L93 Difference]: Finished difference Result 19585 states and 67973 transitions. [2021-04-15 00:07:52,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 00:07:52,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 50 [2021-04-15 00:07:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 00:07:52,135 INFO L225 Difference]: With dead ends: 19585 [2021-04-15 00:07:52,135 INFO L226 Difference]: Without dead ends: 17905 [2021-04-15 00:07:52,136 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-15 00:07:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17905 states. [2021-04-15 00:07:52,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17905 to 16369. [2021-04-15 00:07:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16369 states, 16367 states have (on average 3.4799902242316856) internal successors, (56957), 16368 states have internal predecessors, (56957), 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) [2021-04-15 00:07:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16369 states to 16369 states and 56957 transitions. [2021-04-15 00:07:52,675 INFO L78 Accepts]: Start accepts. Automaton has 16369 states and 56957 transitions. Word has length 50 [2021-04-15 00:07:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 00:07:52,675 INFO L480 AbstractCegarLoop]: Abstraction has 16369 states and 56957 transitions. [2021-04-15 00:07:52,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-04-15 00:07:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 16369 states and 56957 transitions. [2021-04-15 00:07:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-04-15 00:07:52,688 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 00:07:52,688 INFO L551 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] [2021-04-15 00:07:52,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-15 00:07:52,688 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-15 00:07:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 00:07:52,688 INFO L82 PathProgramCache]: Analyzing trace with hash -2013721028, now seen corresponding path program 3 times [2021-04-15 00:07:52,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 00:07:52,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001090422] [2021-04-15 00:07:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 00:07:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-15 00:07:52,699 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-15 00:07:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-15 00:07:52,709 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-15 00:07:52,736 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-15 00:07:52,737 INFO L652 BasicCegarLoop]: Counterexample might be feasible [2021-04-15 00:07:52,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-15 00:07:52,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 12:07:52 BasicIcfg [2021-04-15 00:07:52,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 00:07:52,806 INFO L168 Benchmark]: Toolchain (without parser) took 21577.57 ms. Allocated memory was 335.5 MB in the beginning and 12.6 GB in the end (delta: 12.2 GB). Free memory was 298.6 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,807 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 335.5 MB. Free memory was 316.5 MB in the beginning and 316.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 00:07:52,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.63 ms. Allocated memory is still 335.5 MB. Free memory was 298.4 MB in the beginning and 298.8 MB in the end (delta: -442.8 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.49 ms. Allocated memory is still 335.5 MB. Free memory was 298.8 MB in the beginning and 296.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,809 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 ms. Allocated memory is still 335.5 MB. Free memory was 296.7 MB in the beginning and 295.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,810 INFO L168 Benchmark]: RCFGBuilder took 575.45 ms. Allocated memory is still 335.5 MB. Free memory was 295.7 MB in the beginning and 263.2 MB in the end (delta: 32.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,811 INFO L168 Benchmark]: TraceAbstraction took 20441.83 ms. Allocated memory was 335.5 MB in the beginning and 12.6 GB in the end (delta: 12.2 GB). Free memory was 263.2 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-04-15 00:07:52,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 335.5 MB. Free memory was 316.5 MB in the beginning and 316.4 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 467.63 ms. Allocated memory is still 335.5 MB. Free memory was 298.4 MB in the beginning and 298.8 MB in the end (delta: -442.8 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.49 ms. Allocated memory is still 335.5 MB. Free memory was 298.8 MB in the beginning and 296.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.50 ms. Allocated memory is still 335.5 MB. Free memory was 296.7 MB in the beginning and 295.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 575.45 ms. Allocated memory is still 335.5 MB. Free memory was 295.7 MB in the beginning and 263.2 MB in the end (delta: 32.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20441.83 ms. Allocated memory was 335.5 MB in the beginning and 12.6 GB in the end (delta: 12.2 GB). Free memory was 263.2 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 738]: a call to reach_error is reachable a call to reach_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] [L751] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L724] 2 int l; VAL [r=0, w=0, x=0, y=0] [L752] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L724] 4 int l; VAL [r=0, 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() [L727] 4 l = x VAL [r=1, w=0, x=0, y=0] [L730] 4 y = l VAL [r=1, w=0, x=0, y=0] [L733] 4 int ly = y; VAL [r=1, w=0, x=0, y=0] [L736] 4 int lx = x; VAL [r=1, w=0, x=0, y=0] [L738] COND FALSE 4 !(!(ly == lx)) VAL [r=1, w=0, x=0, y=0] [L740] 4 l = r-1 VAL [r=1, 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() [L743] 4 r = l VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L727] 2 l = x VAL [r=0, w=1, x=0, y=0] [L716] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L730] 2 y = l VAL [r=0, w=1, x=3, y=0] [L733] 2 int ly = y; VAL [r=0, w=1, x=3, y=0] [L736] 2 int lx = x; VAL [r=0, w=1, x=3, y=0] [L738] COND TRUE 2 !(ly == lx) VAL [r=0, w=1, x=3, y=0] [L738] 2 reach_error() VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20259.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 667.5ms, AutomataDifference: 5046.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3950.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1981 SDtfs, 2181 SDslu, 4377 SDs, 0 SdLazy, 687 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 420.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 418.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=52135occurred in iteration=1, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9234.5ms AutomataMinimizationTime, 9 MinimizatonAttempts, 62475 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.4ms SsaConstructionTime, 216.1ms SatisfiabilityAnalysisTime, 583.4ms InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...