/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 22:51:19,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 22:51:19,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 22:51:19,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 22:51:19,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 22:51:19,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 22:51:19,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 22:51:19,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 22:51:19,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 22:51:19,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 22:51:19,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 22:51:19,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 22:51:19,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 22:51:19,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 22:51:19,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 22:51:19,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 22:51:19,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 22:51:19,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 22:51:19,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 22:51:19,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 22:51:19,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 22:51:19,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 22:51:19,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 22:51:19,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 22:51:19,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 22:51:19,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 22:51:19,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 22:51:19,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 22:51:19,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 22:51:19,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 22:51:19,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 22:51:19,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 22:51:19,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 22:51:19,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 22:51:19,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 22:51:19,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 22:51:19,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 22:51:19,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 22:51:19,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 22:51:19,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 22:51:19,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 22:51:19,905 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-Sleep-NoLbe-Delay.epf [2021-01-26 22:51:19,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 22:51:19,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 22:51:19,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 22:51:19,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 22:51:19,963 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 22:51:19,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 22:51:19,964 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 22:51:19,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 22:51:19,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 22:51:19,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 22:51:19,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 22:51:19,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 22:51:19,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 22:51:19,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 22:51:19,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 22:51:19,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 22:51:19,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 22:51:19,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 22:51:19,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 22:51:19,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 22:51:19,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 22:51:19,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 22:51:19,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 22:51:19,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 22:51:19,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 22:51:19,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 22:51:19,971 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 22:51:19,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 22:51:19,971 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 22:51:20,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 22:51:20,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 22:51:20,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 22:51:20,399 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 22:51:20,400 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 22:51:20,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-01-26 22:51:20,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45653295a/8fbfa34bd8e94f1c9fbf854158faad25/FLAG5b91a81ae [2021-01-26 22:51:21,198 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 22:51:21,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-01-26 22:51:21,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45653295a/8fbfa34bd8e94f1c9fbf854158faad25/FLAG5b91a81ae [2021-01-26 22:51:21,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45653295a/8fbfa34bd8e94f1c9fbf854158faad25 [2021-01-26 22:51:21,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 22:51:21,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 22:51:21,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 22:51:21,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 22:51:21,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 22:51:21,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:51:21" (1/1) ... [2021-01-26 22:51:21,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137690ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:21, skipping insertion in model container [2021-01-26 22:51:21,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 10:51:21" (1/1) ... [2021-01-26 22:51:21,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 22:51:21,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 22:51:22,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:51:22,060 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 22:51:22,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 22:51:22,321 INFO L208 MainTranslator]: Completed translation [2021-01-26 22:51:22,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22 WrapperNode [2021-01-26 22:51:22,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 22:51:22,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 22:51:22,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 22:51:22,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 22:51:22,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 22:51:22,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 22:51:22,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 22:51:22,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 22:51:22,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... [2021-01-26 22:51:22,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 22:51:22,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 22:51:22,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 22:51:22,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 22:51:22,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 22:51:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 22:51:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 22:51:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 22:51:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 22:51:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 22:51:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 22:51:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 22:51:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 22:51:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 22:51:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 22:51:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 22:51:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 22:51:22,551 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 22:51:23,085 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 22:51:23,086 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 22:51:23,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:51:23 BoogieIcfgContainer [2021-01-26 22:51:23,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 22:51:23,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 22:51:23,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 22:51:23,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 22:51:23,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 10:51:21" (1/3) ... [2021-01-26 22:51:23,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2f0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:51:23, skipping insertion in model container [2021-01-26 22:51:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 10:51:22" (2/3) ... [2021-01-26 22:51:23,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2f0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 10:51:23, skipping insertion in model container [2021-01-26 22:51:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 10:51:23" (3/3) ... [2021-01-26 22:51:23,098 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.oepc.i [2021-01-26 22:51:23,113 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 22:51:23,113 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 22:51:23,117 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 22:51:23,118 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 22:51:23,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,155 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,156 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,156 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,165 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,175 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,175 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 22:51:23,178 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 22:51:23,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-26 22:51:23,227 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 22:51:23,228 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 22:51:23,228 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 22:51:23,228 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 22:51:23,228 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 22:51:23,229 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 22:51:23,229 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 22:51:23,229 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 49 and size of Sequence is : 50[2021-01-26 22:51:23,273 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 22:51:23,274 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L17]don't care, 82#[L17-1]don't care, 84#[L17-2]don't care, 86#[L17-3]don't care, 88#[L17-4]don't care, 90#[L710]don't care, 92#[L712]don't care, 94#[L713]don't care, 96#[L714]don't care, 98#[L716]don't care, 100#[L718]don't care, 102#[L-1-2]don't care, 104#[L-1-3]don't care, 106#[L760]don't care, 108#[L760-1]don't care, 110#[L761]don't care, 112#[P0ENTRY, L761-1]don't care, 116#[L721, L761-1]don't care, 118#[L723, L761-1]don't care, 124#[L726, L761-1]don't care, 128#[L731, L761-1]don't care, 130#[P0FINAL, L761-1]don't care, 134#[P0EXIT, L761-1]don't care, 138#[P0EXIT, L762]don't care, 140#[L762-1, P0EXIT]don't care, 142#[L763, P0EXIT]don't care, 144#[L763-1, P1ENTRY, P0EXIT]don't care, 146#[L764, P1ENTRY, P0EXIT]don't care, 152#[L764, P0EXIT, L736]don't care, 156#[L764, L738, P0EXIT]don't care, 160#[L764, L741, P0EXIT]don't care, 164#[L764, P0EXIT, L746]don't care, 168#[P1FINAL, L764, P0EXIT]don't care, 172#[L764, P0EXIT, P1EXIT]don't care, 174#[P0EXIT, L766, P1EXIT]don't care, 176#[P0EXIT, P1EXIT, L767]don't care, 178#[P0EXIT, P1EXIT, L2]don't care, 180#[L3, P0EXIT, P1EXIT]don't care, 184#[P0EXIT, L2-1, P1EXIT]don't care, 186#[P0EXIT, L772, P1EXIT]don't care, 188#[P0EXIT, L773, P1EXIT]don't care, 190#[P0EXIT, L18, P1EXIT]don't care, 192#[P0EXIT, L18-1, P1EXIT]don't care, 194#[L18-2, P0EXIT, P1EXIT]don't care, 198#[P0EXIT, L17-5, P1EXIT]don't care, 202#[L17-7, P0EXIT, P1EXIT]don't care, 204#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]don't care] [2021-01-26 22:51:23,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:51:23,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:51:23,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1961712272, now seen corresponding path program 1 times [2021-01-26 22:51:23,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:51:23,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460851946] [2021-01-26 22:51:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:51:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:51:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 22:51:23,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460851946] [2021-01-26 22:51:23,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:51:23,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:51:23,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424043715] [2021-01-26 22:51:23,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:51:23,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:51:23,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:51:23,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:51:23,802 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:51:23,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 22:51:24,098 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-26 22:51:24,352 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 22:51:24,353 INFO L165 SleepSetCegar]: [214#[ULTIMATE.startENTRY]true, 215#[L-1]true, 216#[L-1-1]true, 217#[L17]true, 218#[L17-1]true, 219#[L17-2]true, 220#[L17-3]true, 221#[L17-4]true, 222#[L710]true, 223#[L712](= ~__unbuffered_p0_EAX~0 0), 224#[L713](= ~__unbuffered_p0_EAX~0 0), 225#[L714](= ~__unbuffered_p0_EAX~0 0), 226#[L716](= ~__unbuffered_p0_EAX~0 0), 227#[L718](= ~__unbuffered_p0_EAX~0 0), 230#[L-1-2](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 231#[L-1-3](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 232#[L760](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 233#[L760-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 234#[L761](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 235#[P0ENTRY, L761-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 237#[L721, L761-1](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 239#[L721, L762](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2475#[L762-1, L721](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2478#[L763, L721](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2481#[L763-1, P1ENTRY, L721](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2486#[L764, P1ENTRY, L721](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2493#[L764, L721, L736](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2499#[L764, L738, L721](and (= ~y~0 0) (= ~__unbuffered_p0_EAX~0 0)), 2505#[L764, L721, L741](= ~__unbuffered_p0_EAX~0 0), 2511#[L764, L723, L741]true, 2514#[L764, L741, L726]true, 2518#[L731, L764, L741]true, 2519#[P0FINAL, L764, L741]true, 2523#[L764, L741, P0EXIT]true, 2526#[L764, P0EXIT, L746]true, 2528#[P1FINAL, L764, P0EXIT]true, 2530#[L764, P0EXIT, P1EXIT]true, 2531#[P0EXIT, L766, P1EXIT]true, 2532#[P0EXIT, P1EXIT, L767]true, 2533#[P0EXIT, P1EXIT, L2]true, 2534#[L3, P0EXIT, P1EXIT]true, 2536#[P0EXIT, L2-1, P1EXIT]true, 2537#[P0EXIT, L772, P1EXIT]true, 2538#[P0EXIT, L773, P1EXIT]true, 2539#[P0EXIT, L18, P1EXIT]true, 2540#[P0EXIT, L18-1, P1EXIT]true, 2541#[L18-2, P0EXIT, P1EXIT]true, 2543#[P0EXIT, L17-5, P1EXIT]true, 2545#[L17-7, P0EXIT, P1EXIT]true, 2546#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]true] [2021-01-26 22:51:24,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 22:51:24,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 22:51:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 22:51:24,355 INFO L82 PathProgramCache]: Analyzing trace with hash 358393950, now seen corresponding path program 2 times [2021-01-26 22:51:24,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 22:51:24,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458552878] [2021-01-26 22:51:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 22:51:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 22:51:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 22:51:24,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458552878] [2021-01-26 22:51:24,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 22:51:24,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 22:51:24,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629842106] [2021-01-26 22:51:24,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 22:51:24,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 22:51:24,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 22:51:24,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 22:51:24,564 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 22:51:24,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 22:51:24,859 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:51:25,097 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 22:51:25,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 22:51:25,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 10:51:25 BasicIcfg [2021-01-26 22:51:25,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 22:51:25,281 INFO L168 Benchmark]: Toolchain (without parser) took 3758.40 ms. Allocated memory was 325.1 MB in the beginning and 411.0 MB in the end (delta: 86.0 MB). Free memory was 298.9 MB in the beginning and 314.6 MB in the end (delta: -15.6 MB). Peak memory consumption was 72.9 MB. Max. memory is 16.0 GB. [2021-01-26 22:51:25,282 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 325.1 MB. Free memory was 309.3 MB in the beginning and 309.2 MB in the end (delta: 71.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 22:51:25,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.24 ms. Allocated memory is still 325.1 MB. Free memory was 297.9 MB in the beginning and 296.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.0 GB. [2021-01-26 22:51:25,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 325.1 MB. Free memory was 296.1 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:51:25,285 INFO L168 Benchmark]: Boogie Preprocessor took 58.04 ms. Allocated memory is still 325.1 MB. Free memory was 294.1 MB in the beginning and 292.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 22:51:25,286 INFO L168 Benchmark]: RCFGBuilder took 631.36 ms. Allocated memory is still 325.1 MB. Free memory was 292.8 MB in the beginning and 273.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-26 22:51:25,287 INFO L168 Benchmark]: TraceAbstraction took 2188.18 ms. Allocated memory was 325.1 MB in the beginning and 411.0 MB in the end (delta: 86.0 MB). Free memory was 272.5 MB in the beginning and 314.6 MB in the end (delta: -42.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2021-01-26 22:51:25,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 325.1 MB. Free memory was 309.3 MB in the beginning and 309.2 MB in the end (delta: 71.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 792.24 ms. Allocated memory is still 325.1 MB. Free memory was 297.9 MB in the beginning and 296.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 325.1 MB. Free memory was 296.1 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 58.04 ms. Allocated memory is still 325.1 MB. Free memory was 294.1 MB in the beginning and 292.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 631.36 ms. Allocated memory is still 325.1 MB. Free memory was 292.8 MB in the beginning and 273.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2188.18 ms. Allocated memory was 325.1 MB in the beginning and 411.0 MB in the end (delta: 86.0 MB). Free memory was 272.5 MB in the beginning and 314.6 MB in the end (delta: -42.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 13152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 correct! Received shutdown request...