/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:20:58,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:20:58,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:20:58,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:20:58,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:20:58,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:20:58,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:20:58,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:20:58,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:20:58,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:20:58,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:20:58,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:20:58,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:20:58,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:20:58,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:20:58,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:20:58,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:20:58,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:20:58,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:20:58,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:20:58,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:20:58,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:20:58,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:20:58,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:20:58,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 12:20:58,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:20:58,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:20:58,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:20:58,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:20:58,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:20:58,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:20:58,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:20:58,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:20:58,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:20:58,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:20:58,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:20:58,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf [2020-11-12 12:20:58,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:20:58,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:20:58,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:20:58,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:20:58,376 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:20:58,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:20:58,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:20:58,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:20:58,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:20:58,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:20:58,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:20:58,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:20:58,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:20:58,378 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:20:58,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:20:58,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:20:58,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:20:58,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:20:58,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:20:58,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:20:58,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:20:58,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:20:58,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:20:58,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:20:58,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:20:58,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:20:58,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:20:58,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:20:58,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:20:58,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:20:58,381 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:20:58,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:20:58,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:20:58,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:20:58,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:20:58,760 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:20:58,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2020-11-12 12:20:58,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1af313/92ba91b43fb741ef9ae8adec00910fd3/FLAG6198b6f8d [2020-11-12 12:20:59,467 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:20:59,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2020-11-12 12:20:59,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1af313/92ba91b43fb741ef9ae8adec00910fd3/FLAG6198b6f8d [2020-11-12 12:20:59,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f1af313/92ba91b43fb741ef9ae8adec00910fd3 [2020-11-12 12:20:59,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:20:59,761 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:20:59,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:20:59,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:20:59,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:20:59,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:20:59" (1/1) ... [2020-11-12 12:20:59,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c073772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:59, skipping insertion in model container [2020-11-12 12:20:59,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:20:59" (1/1) ... [2020-11-12 12:20:59,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:20:59,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:21:00,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:21:00,237 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:21:00,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:21:00,402 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:21:00,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00 WrapperNode [2020-11-12 12:21:00,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:21:00,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:21:00,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:21:00,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:21:00,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:21:00,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:21:00,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:21:00,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:21:00,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (1/1) ... [2020-11-12 12:21:00,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:21:00,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:21:00,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:21:00,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:21:00,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (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 12:21:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:21:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:21:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:21:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:21:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:21:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:21:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:21:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:21:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:21:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:21:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:21:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:21:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:21:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:21:00,634 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 12:21:01,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:21:01,029 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:21:01,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:01 BoogieIcfgContainer [2020-11-12 12:21:01,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:21:01,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:21:01,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:21:01,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:21:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:20:59" (1/3) ... [2020-11-12 12:21:01,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2a55c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:01, skipping insertion in model container [2020-11-12 12:21:01,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:00" (2/3) ... [2020-11-12 12:21:01,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2a55c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:01, skipping insertion in model container [2020-11-12 12:21:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:01" (3/3) ... [2020-11-12 12:21:01,039 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2020-11-12 12:21:01,058 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:21:01,058 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:21:01,062 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:21:01,062 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,111 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,131 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,131 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,138 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:21:01,142 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:21:01,153 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:21:01,177 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:21:01,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:21:01,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:21:01,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:21:01,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:21:01,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:21:01,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:21:01,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:21:01,188 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 76 transitions, 167 flow [2020-11-12 12:21:01,949 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8446 states, 8444 states have (on average 3.5900047370914256) internal successors, (30314), 8445 states have internal predecessors, (30314), 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 12:21:02,850 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 892ms [2020-11-12 12:21:02,879 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 8446 states, 8444 states have (on average 3.5900047370914256) internal successors, (30314), 8445 states have internal predecessors, (30314), 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 12:21:03,033 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 29598 states, 27067 states have (on average 1.2056748069605054) internal successors, (32634), 29597 states have internal predecessors, (32634), 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 12:21:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 29598 states, 27067 states have (on average 1.2056748069605054) internal successors, (32634), 29597 states have internal predecessors, (32634), 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 12:21:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-12 12:21:03,230 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:03,230 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] [2020-11-12 12:21:03,231 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:03,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:03,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1568087296, now seen corresponding path program 1 times [2020-11-12 12:21:03,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:03,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867514357] [2020-11-12 12:21:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:03,610 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 12:21:03,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867514357] [2020-11-12 12:21:03,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:03,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:03,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157554800] [2020-11-12 12:21:03,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:03,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:03,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:03,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:03,654 INFO L87 Difference]: Start difference. First operand has 29598 states, 27067 states have (on average 1.2056748069605054) internal successors, (32634), 29597 states have internal predecessors, (32634), 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 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 12:21:03,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:03,997 INFO L93 Difference]: Finished difference Result 12888 states and 14896 transitions. [2020-11-12 12:21:03,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:21:03,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2020-11-12 12:21:04,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:04,041 INFO L225 Difference]: With dead ends: 12888 [2020-11-12 12:21:04,042 INFO L226 Difference]: Without dead ends: 4826 [2020-11-12 12:21:04,043 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 12:21:04,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-11-12 12:21:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4826. [2020-11-12 12:21:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4826 states, 4568 states have (on average 1.334063047285464) internal successors, (6094), 4825 states have internal predecessors, (6094), 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 12:21:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6094 transitions. [2020-11-12 12:21:04,358 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6094 transitions. Word has length 40 [2020-11-12 12:21:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:04,359 INFO L481 AbstractCegarLoop]: Abstraction has 4826 states and 6094 transitions. [2020-11-12 12:21:04,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 12:21:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6094 transitions. [2020-11-12 12:21:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 12:21:04,372 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:04,373 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 12:21:04,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:21:04,379 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:04,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:04,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1182497087, now seen corresponding path program 1 times [2020-11-12 12:21:04,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:04,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920900960] [2020-11-12 12:21:04,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:04,594 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 12:21:04,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920900960] [2020-11-12 12:21:04,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:04,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:04,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157429313] [2020-11-12 12:21:04,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:04,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:04,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:04,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:04,598 INFO L87 Difference]: Start difference. First operand 4826 states and 6094 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 12:21:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:04,796 INFO L93 Difference]: Finished difference Result 5073 states and 6402 transitions. [2020-11-12 12:21:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:21:04,797 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 12:21:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:04,814 INFO L225 Difference]: With dead ends: 5073 [2020-11-12 12:21:04,815 INFO L226 Difference]: Without dead ends: 3866 [2020-11-12 12:21:04,816 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 12:21:04,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2020-11-12 12:21:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3866. [2020-11-12 12:21:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3668 states have (on average 1.3328789531079608) internal successors, (4889), 3865 states have internal predecessors, (4889), 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 12:21:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 4889 transitions. [2020-11-12 12:21:04,918 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 4889 transitions. Word has length 42 [2020-11-12 12:21:04,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:04,919 INFO L481 AbstractCegarLoop]: Abstraction has 3866 states and 4889 transitions. [2020-11-12 12:21:04,919 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 12:21:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 4889 transitions. [2020-11-12 12:21:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 12:21:04,925 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:04,925 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 12:21:04,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:21:04,926 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:04,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1313730138, now seen corresponding path program 1 times [2020-11-12 12:21:04,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:04,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758269153] [2020-11-12 12:21:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:05,103 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 12:21:05,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758269153] [2020-11-12 12:21:05,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:05,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:21:05,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322251111] [2020-11-12 12:21:05,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:21:05,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:05,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:21:05,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:21:05,106 INFO L87 Difference]: Start difference. First operand 3866 states and 4889 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 12:21:05,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:05,334 INFO L93 Difference]: Finished difference Result 6088 states and 7760 transitions. [2020-11-12 12:21:05,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:21:05,334 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 12:21:05,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:05,349 INFO L225 Difference]: With dead ends: 6088 [2020-11-12 12:21:05,350 INFO L226 Difference]: Without dead ends: 3296 [2020-11-12 12:21:05,350 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:21:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2020-11-12 12:21:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2020-11-12 12:21:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3124 states have (on average 1.293213828425096) internal successors, (4040), 3295 states have internal predecessors, (4040), 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 12:21:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4040 transitions. [2020-11-12 12:21:05,428 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4040 transitions. Word has length 43 [2020-11-12 12:21:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:05,428 INFO L481 AbstractCegarLoop]: Abstraction has 3296 states and 4040 transitions. [2020-11-12 12:21:05,429 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 12:21:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4040 transitions. [2020-11-12 12:21:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 12:21:05,435 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:05,435 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 12:21:05,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:21:05,436 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:05,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:05,436 INFO L82 PathProgramCache]: Analyzing trace with hash -437551610, now seen corresponding path program 1 times [2020-11-12 12:21:05,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:05,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198670935] [2020-11-12 12:21:05,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:05,535 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 12:21:05,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198670935] [2020-11-12 12:21:05,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:05,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:05,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963354760] [2020-11-12 12:21:05,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:05,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:05,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:05,537 INFO L87 Difference]: Start difference. First operand 3296 states and 4040 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:05,671 INFO L93 Difference]: Finished difference Result 5064 states and 6004 transitions. [2020-11-12 12:21:05,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:21:05,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 12:21:05,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:05,685 INFO L225 Difference]: With dead ends: 5064 [2020-11-12 12:21:05,686 INFO L226 Difference]: Without dead ends: 3091 [2020-11-12 12:21:05,686 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 12:21:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2020-11-12 12:21:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 2527. [2020-11-12 12:21:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 2395 states have (on average 1.261795407098121) internal successors, (3022), 2526 states have internal predecessors, (3022), 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 12:21:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3022 transitions. [2020-11-12 12:21:05,787 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3022 transitions. Word has length 45 [2020-11-12 12:21:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:05,788 INFO L481 AbstractCegarLoop]: Abstraction has 2527 states and 3022 transitions. [2020-11-12 12:21:05,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3022 transitions. [2020-11-12 12:21:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 12:21:05,792 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:05,793 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 12:21:05,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:21:05,793 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:05,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1369888857, now seen corresponding path program 1 times [2020-11-12 12:21:05,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:05,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826248039] [2020-11-12 12:21:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:05,919 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 12:21:05,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826248039] [2020-11-12 12:21:05,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:05,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:05,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730813877] [2020-11-12 12:21:05,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:05,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:05,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:05,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:05,925 INFO L87 Difference]: Start difference. First operand 2527 states and 3022 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:06,076 INFO L93 Difference]: Finished difference Result 3520 states and 3941 transitions. [2020-11-12 12:21:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:21:06,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 12:21:06,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:06,085 INFO L225 Difference]: With dead ends: 3520 [2020-11-12 12:21:06,085 INFO L226 Difference]: Without dead ends: 1817 [2020-11-12 12:21:06,085 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 12:21:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2020-11-12 12:21:06,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1333. [2020-11-12 12:21:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1233 states have (on average 1.2254663422546634) internal successors, (1511), 1332 states have internal predecessors, (1511), 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 12:21:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1511 transitions. [2020-11-12 12:21:06,130 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1511 transitions. Word has length 45 [2020-11-12 12:21:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:06,131 INFO L481 AbstractCegarLoop]: Abstraction has 1333 states and 1511 transitions. [2020-11-12 12:21:06,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:21:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1511 transitions. [2020-11-12 12:21:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 12:21:06,136 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:06,136 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, 1] [2020-11-12 12:21:06,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:21:06,136 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:06,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:06,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1255003391, now seen corresponding path program 1 times [2020-11-12 12:21:06,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:06,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184959528] [2020-11-12 12:21:06,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:06,295 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 12:21:06,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184959528] [2020-11-12 12:21:06,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:06,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:21:06,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287082855] [2020-11-12 12:21:06,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:21:06,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:06,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:21:06,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:21:06,298 INFO L87 Difference]: Start difference. First operand 1333 states and 1511 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 12:21:06,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:06,416 INFO L93 Difference]: Finished difference Result 1405 states and 1546 transitions. [2020-11-12 12:21:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:21:06,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 46 [2020-11-12 12:21:06,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:06,422 INFO L225 Difference]: With dead ends: 1405 [2020-11-12 12:21:06,423 INFO L226 Difference]: Without dead ends: 1248 [2020-11-12 12:21:06,423 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 12:21:06,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-11-12 12:21:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2020-11-12 12:21:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1152 states have (on average 1.2048611111111112) internal successors, (1388), 1247 states have internal predecessors, (1388), 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 12:21:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1388 transitions. [2020-11-12 12:21:06,467 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1388 transitions. Word has length 46 [2020-11-12 12:21:06,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:06,467 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1388 transitions. [2020-11-12 12:21:06,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 12:21:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1388 transitions. [2020-11-12 12:21:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:21:06,470 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:06,470 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, 1, 1] [2020-11-12 12:21:06,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:21:06,470 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:06,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:06,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1133671429, now seen corresponding path program 1 times [2020-11-12 12:21:06,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:06,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793763260] [2020-11-12 12:21:06,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:06,596 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 12:21:06,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793763260] [2020-11-12 12:21:06,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:06,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:21:06,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833743607] [2020-11-12 12:21:06,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:21:06,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:06,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:21:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:21:06,598 INFO L87 Difference]: Start difference. First operand 1248 states and 1388 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 12:21:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:06,788 INFO L93 Difference]: Finished difference Result 1001 states and 1060 transitions. [2020-11-12 12:21:06,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:21:06,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47 [2020-11-12 12:21:06,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:06,802 INFO L225 Difference]: With dead ends: 1001 [2020-11-12 12:21:06,803 INFO L226 Difference]: Without dead ends: 755 [2020-11-12 12:21:06,803 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 12:21:06,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-11-12 12:21:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2020-11-12 12:21:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 692 states have (on average 1.1416184971098267) internal successors, (790), 754 states have internal predecessors, (790), 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 12:21:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 790 transitions. [2020-11-12 12:21:06,822 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 790 transitions. Word has length 47 [2020-11-12 12:21:06,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:06,822 INFO L481 AbstractCegarLoop]: Abstraction has 755 states and 790 transitions. [2020-11-12 12:21:06,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 12:21:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 790 transitions. [2020-11-12 12:21:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:21:06,824 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:21:06,824 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, 1, 1, 1, 1] [2020-11-12 12:21:06,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:21:06,825 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:21:06,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:21:06,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1095212092, now seen corresponding path program 1 times [2020-11-12 12:21:06,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:21:06,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653591408] [2020-11-12 12:21:06,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:21:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:21:07,014 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 12:21:07,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653591408] [2020-11-12 12:21:07,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:21:07,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:21:07,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294245222] [2020-11-12 12:21:07,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:21:07,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:21:07,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:21:07,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:21:07,017 INFO L87 Difference]: Start difference. First operand 755 states and 790 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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) [2020-11-12 12:21:07,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:21:07,133 INFO L93 Difference]: Finished difference Result 254 states and 262 transitions. [2020-11-12 12:21:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:21:07,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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) Word has length 49 [2020-11-12 12:21:07,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:21:07,133 INFO L225 Difference]: With dead ends: 254 [2020-11-12 12:21:07,134 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:21:07,134 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-12 12:21:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:21:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:21:07,135 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 12:21:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:21:07,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2020-11-12 12:21:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:21:07,135 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:21:07,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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) [2020-11-12 12:21:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:21:07,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:21:07,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:21:07,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:21:07 BasicIcfg [2020-11-12 12:21:07,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:21:07,144 INFO L168 Benchmark]: Toolchain (without parser) took 7386.23 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 882.9 MB). Free memory was 277.1 MB in the beginning and 993.3 MB in the end (delta: -716.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,144 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:21:07,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.57 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.36 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 243.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,147 INFO L168 Benchmark]: Boogie Preprocessor took 41.53 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.7 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,147 INFO L168 Benchmark]: RCFGBuilder took 502.13 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 261.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,148 INFO L168 Benchmark]: TraceAbstraction took 6108.61 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 882.9 MB). Free memory was 261.7 MB in the beginning and 993.3 MB in the end (delta: -731.6 MB). Peak memory consumption was 154.4 MB. Max. memory is 16.0 GB. [2020-11-12 12:21:07,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 639.57 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.6 MB in the end (delta: 30.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 82.36 ms. Allocated memory is still 302.0 MB. Free memory was 245.6 MB in the beginning and 243.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.53 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.7 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 502.13 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 261.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6108.61 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 882.9 MB). Free memory was 261.7 MB in the beginning and 993.3 MB in the end (delta: -731.6 MB). Peak memory consumption was 154.4 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 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 527 SDtfs, 678 SDslu, 1835 SDs, 0 SdLazy, 207 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29598occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 41323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...