/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:21:11,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:21:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:21:11,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:21:11,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:21:11,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:21:11,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:21:11,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:21:11,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:21:11,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:21:11,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:21:11,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:21:11,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:21:11,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:21:11,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:21:11,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:21:11,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:21:11,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:21:11,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:21:11,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:21:11,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:21:11,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:21:11,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:21:11,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:21:11,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 06:21:11,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:21:11,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:21:11,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:21:11,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:21:11,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:21:11,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:21:11,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:21:11,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:21:11,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:21:11,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:21:11,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:21:11,127 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-Delay.epf [2020-11-12 06:21:11,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:21:11,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:21:11,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:21:11,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:21:11,180 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:21:11,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:21:11,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:21:11,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:21:11,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:21:11,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:21:11,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:21:11,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:21:11,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:21:11,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:21:11,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:21:11,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:21:11,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:21:11,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:21:11,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:21:11,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:21:11,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:21:11,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:21:11,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:21:11,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:21:11,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:21:11,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:21:11,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:21:11,185 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:21:11,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:21:11,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:21:11,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:21:11,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:21:11,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:21:11,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:21:11,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:21:11,602 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:21:11,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-11-12 06:21:11,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f187f66/8bf5630bec774118b7b09de573bf3059/FLAG702f37a54 [2020-11-12 06:21:12,344 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:21:12,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-11-12 06:21:12,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f187f66/8bf5630bec774118b7b09de573bf3059/FLAG702f37a54 [2020-11-12 06:21:12,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9f187f66/8bf5630bec774118b7b09de573bf3059 [2020-11-12 06:21:12,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:21:12,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:21:12,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:21:12,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:21:12,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:21:12,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:21:12" (1/1) ... [2020-11-12 06:21:12,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b81fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:12, skipping insertion in model container [2020-11-12 06:21:12,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:21:12" (1/1) ... [2020-11-12 06:21:12,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:21:12,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:21:13,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:21:13,183 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:21:13,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:21:13,357 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:21:13,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13 WrapperNode [2020-11-12 06:21:13,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:21:13,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:21:13,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:21:13,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:21:13,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:21:13,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:21:13,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:21:13,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:21:13,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... [2020-11-12 06:21:13,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:21:13,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:21:13,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:21:13,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:21:13,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:21:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:21:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:21:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:21:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:21:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:21:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:21:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:21:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:21:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:21:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:21:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:21:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:21:13,546 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 06:21:14,030 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:21:14,031 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:21:14,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:21:14 BoogieIcfgContainer [2020-11-12 06:21:14,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:21:14,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:21:14,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:21:14,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:21:14,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:21:12" (1/3) ... [2020-11-12 06:21:14,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a516bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:21:14, skipping insertion in model container [2020-11-12 06:21:14,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:21:13" (2/3) ... [2020-11-12 06:21:14,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a516bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:21:14, skipping insertion in model container [2020-11-12 06:21:14,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:21:14" (3/3) ... [2020-11-12 06:21:14,043 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2020-11-12 06:21:14,061 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:21:14,061 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:21:14,065 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:21:14,066 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:21:14,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,100 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,100 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,100 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,101 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,101 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,101 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,116 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,117 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,117 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:21:14,120 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:21:14,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 06:21:14,157 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:21:14,157 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:21:14,157 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:21:14,157 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:21:14,157 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:21:14,157 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:21:14,158 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:21:14,158 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:21:14,170 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 65 transitions, 140 flow [2020-11-12 06:21:14,261 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:14,594 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 324ms [2020-11-12 06:21:14,599 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:14,602 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 1321 states, 1216 states have (on average 1.2919407894736843) internal successors, (1571), 1320 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 1321 states, 1216 states have (on average 1.2919407894736843) internal successors, (1571), 1320 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-12 06:21:14,617 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:21:14,618 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:21:14,618 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:21:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:21:14,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1210534896, now seen corresponding path program 1 times [2020-11-12 06:21:14,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:21:14,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874656931] [2020-11-12 06:21:14,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:21:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:21:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:21:15,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874656931] [2020-11-12 06:21:15,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:21:15,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:21:15,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509427124] [2020-11-12 06:21:15,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:21:15,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:21:15,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:21:15,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:21:15,177 INFO L87 Difference]: Start difference. First operand has 1321 states, 1216 states have (on average 1.2919407894736843) internal successors, (1571), 1320 states have internal predecessors, (1571), 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 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) [2020-11-12 06:21:15,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:21:15,370 INFO L93 Difference]: Finished difference Result 1587 states and 1692 transitions. [2020-11-12 06:21:15,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:21:15,373 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 [2020-11-12 06:21:15,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:21:15,391 INFO L225 Difference]: With dead ends: 1587 [2020-11-12 06:21:15,391 INFO L226 Difference]: Without dead ends: 558 [2020-11-12 06:21:15,393 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:21:15,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-11-12 06:21:15,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2020-11-12 06:21:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 523 states have (on average 1.2217973231357553) internal successors, (639), 557 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 639 transitions. [2020-11-12 06:21:15,481 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 639 transitions. Word has length 37 [2020-11-12 06:21:15,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:21:15,481 INFO L481 AbstractCegarLoop]: Abstraction has 558 states and 639 transitions. [2020-11-12 06:21:15,482 INFO L482 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) [2020-11-12 06:21:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 639 transitions. [2020-11-12 06:21:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-12 06:21:15,484 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:21:15,485 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:21:15,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:21:15,485 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:21:15,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:21:15,486 INFO L82 PathProgramCache]: Analyzing trace with hash 357837839, now seen corresponding path program 1 times [2020-11-12 06:21:15,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:21:15,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422349123] [2020-11-12 06:21:15,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:21:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:21:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:21:15,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422349123] [2020-11-12 06:21:15,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:21:15,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:21:15,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183622952] [2020-11-12 06:21:15,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:21:15,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:21:15,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:21:15,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:21:15,663 INFO L87 Difference]: Start difference. First operand 558 states and 639 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:21:15,855 INFO L93 Difference]: Finished difference Result 698 states and 830 transitions. [2020-11-12 06:21:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:21:15,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2020-11-12 06:21:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:21:15,859 INFO L225 Difference]: With dead ends: 698 [2020-11-12 06:21:15,859 INFO L226 Difference]: Without dead ends: 330 [2020-11-12 06:21:15,860 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:21:15,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-11-12 06:21:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2020-11-12 06:21:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 310 states have (on average 1.238709677419355) internal successors, (384), 329 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 384 transitions. [2020-11-12 06:21:15,878 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 384 transitions. Word has length 39 [2020-11-12 06:21:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:21:15,879 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 384 transitions. [2020-11-12 06:21:15,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:15,879 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 384 transitions. [2020-11-12 06:21:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 06:21:15,881 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:21:15,881 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:21:15,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:21:15,882 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:21:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:21:15,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1815316434, now seen corresponding path program 1 times [2020-11-12 06:21:15,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:21:15,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138301760] [2020-11-12 06:21:15,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:21:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:21:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:21:16,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138301760] [2020-11-12 06:21:16,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:21:16,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:21:16,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701426539] [2020-11-12 06:21:16,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:21:16,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:21:16,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:21:16,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:21:16,082 INFO L87 Difference]: Start difference. First operand 330 states and 384 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) [2020-11-12 06:21:16,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:21:16,205 INFO L93 Difference]: Finished difference Result 384 states and 440 transitions. [2020-11-12 06:21:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:21:16,206 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 [2020-11-12 06:21:16,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:21:16,208 INFO L225 Difference]: With dead ends: 384 [2020-11-12 06:21:16,208 INFO L226 Difference]: Without dead ends: 304 [2020-11-12 06:21:16,208 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:21:16,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-12 06:21:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-11-12 06:21:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 286 states have (on average 1.2272727272727273) internal successors, (351), 303 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 351 transitions. [2020-11-12 06:21:16,220 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 351 transitions. Word has length 42 [2020-11-12 06:21:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:21:16,221 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 351 transitions. [2020-11-12 06:21:16,221 INFO L482 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) [2020-11-12 06:21:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 351 transitions. [2020-11-12 06:21:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 06:21:16,223 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:21:16,223 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:21:16,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:21:16,223 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:21:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:21:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash 124172945, now seen corresponding path program 1 times [2020-11-12 06:21:16,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:21:16,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71965461] [2020-11-12 06:21:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:21:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:21:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:21:16,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71965461] [2020-11-12 06:21:16,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:21:16,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:21:16,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366459856] [2020-11-12 06:21:16,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:21:16,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:21:16,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:21:16,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:21:16,388 INFO L87 Difference]: Start difference. First operand 304 states and 351 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:21:16,529 INFO L93 Difference]: Finished difference Result 259 states and 297 transitions. [2020-11-12 06:21:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:21:16,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 43 [2020-11-12 06:21:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:21:16,531 INFO L225 Difference]: With dead ends: 259 [2020-11-12 06:21:16,531 INFO L226 Difference]: Without dead ends: 184 [2020-11-12 06:21:16,532 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:21:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-12 06:21:16,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-11-12 06:21:16,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 175 states have (on average 1.1828571428571428) internal successors, (207), 183 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 207 transitions. [2020-11-12 06:21:16,539 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 207 transitions. Word has length 43 [2020-11-12 06:21:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:21:16,539 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 207 transitions. [2020-11-12 06:21:16,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,540 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 207 transitions. [2020-11-12 06:21:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:21:16,540 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:21:16,541 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:21:16,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:21:16,541 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:21:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:21:16,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2045042224, now seen corresponding path program 1 times [2020-11-12 06:21:16,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:21:16,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081496894] [2020-11-12 06:21:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:21:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:21:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:21:16,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081496894] [2020-11-12 06:21:16,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:21:16,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:21:16,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258039148] [2020-11-12 06:21:16,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:21:16,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:21:16,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:21:16,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:21:16,664 INFO L87 Difference]: Start difference. First operand 184 states and 207 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:21:16,758 INFO L93 Difference]: Finished difference Result 148 states and 171 transitions. [2020-11-12 06:21:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:21:16,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 06:21:16,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:21:16,759 INFO L225 Difference]: With dead ends: 148 [2020-11-12 06:21:16,759 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:21:16,759 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:21:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:21:16,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:21:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:21:16,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2020-11-12 06:21:16,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:21:16,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:21:16,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:21:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:21:16,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:21:16,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:21:16,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:21:16 BasicIcfg [2020-11-12 06:21:16,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:21:16,770 INFO L168 Benchmark]: Toolchain (without parser) took 4129.26 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.3 MB in the beginning and 278.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.0 GB. [2020-11-12 06:21:16,770 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:21:16,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.24 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 246.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:21:16,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.4 MB in the beginning and 244.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:21:16,773 INFO L168 Benchmark]: Boogie Preprocessor took 34.76 ms. Allocated memory is still 302.0 MB. Free memory was 244.4 MB in the beginning and 243.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:21:16,774 INFO L168 Benchmark]: RCFGBuilder took 588.25 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 265.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:21:16,775 INFO L168 Benchmark]: TraceAbstraction took 2731.80 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 264.8 MB in the beginning and 278.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:21:16,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 707.24 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 246.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.4 MB in the beginning and 244.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.76 ms. Allocated memory is still 302.0 MB. Free memory was 244.4 MB in the beginning and 243.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 588.25 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 265.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2731.80 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 264.8 MB in the beginning and 278.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 47.1 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: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 252 SDtfs, 315 SDslu, 945 SDs, 0 SdLazy, 115 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1321occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 22409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...