/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:12:15,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:12:15,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:12:15,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:12:15,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:12:15,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:12:15,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:12:15,747 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-Separate.epf [2021-06-05 10:12:15,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:12:15,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:12:15,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:12:15,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:12:15,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:12:15,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:12:15,779 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:12:15,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:12:15,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:12:15,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:12:15,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:12:15,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:12:15,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:12:15,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:12:15,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:12:15,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:12:15,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:12:16,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:12:16,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:12:16,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:12:16,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:12:16,063 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:12:16,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-06-05 10:12:16,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c01d651/7fd9d2cf932149ff8d97fe3185921437/FLAG1fdcec86f [2021-06-05 10:12:16,523 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:12:16,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-06-05 10:12:16,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c01d651/7fd9d2cf932149ff8d97fe3185921437/FLAG1fdcec86f [2021-06-05 10:12:16,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c01d651/7fd9d2cf932149ff8d97fe3185921437 [2021-06-05 10:12:16,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:12:16,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:12:16,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:12:16,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:12:16,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:12:16,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0d35bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16, skipping insertion in model container [2021-06-05 10:12:16,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:12:16,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:12:16,750 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i[949,962] [2021-06-05 10:12:16,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:12:16,863 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:12:16,871 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i[949,962] [2021-06-05 10:12:16,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:12:16,943 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:12:16,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16 WrapperNode [2021-06-05 10:12:16,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:12:16,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:12:16,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:12:16,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:12:16,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:12:16,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:12:16,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:12:16,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:12:16,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... [2021-06-05 10:12:16,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:12:16,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:12:16,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:12:16,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:12:16,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:12:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:12:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:12:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:12:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:12:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:12:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:12:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:12:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:12:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:12:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:12:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:12:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:12:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:12:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:12:17,060 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:12:17,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:12:17,402 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:12:17,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:12:17 BoogieIcfgContainer [2021-06-05 10:12:17,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:12:17,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:12:17,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:12:17,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:12:17,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:12:16" (1/3) ... [2021-06-05 10:12:17,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117aa4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:12:17, skipping insertion in model container [2021-06-05 10:12:17,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:12:16" (2/3) ... [2021-06-05 10:12:17,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117aa4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:12:17, skipping insertion in model container [2021-06-05 10:12:17,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:12:17" (3/3) ... [2021-06-05 10:12:17,410 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2021-06-05 10:12:17,415 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:12:17,415 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:12:17,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:12:17,415 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:12:17,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,444 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,452 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,452 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,454 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,454 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,461 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:12:17,464 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:12:17,480 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:12:17,501 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:12:17,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:12:17,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:12:17,501 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:12:17,502 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:12:17,502 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:12:17,502 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:12:17,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:12:17,513 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 83 transitions, 181 flow [2021-06-05 10:12:17,919 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9331 states, 9329 states have (on average 3.5626540893986496) internal successors, (33236), 9330 states have internal predecessors, (33236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 9331 states, 9329 states have (on average 3.5626540893986496) internal successors, (33236), 9330 states have internal predecessors, (33236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:12:17,982 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:17,982 INFO L521 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] [2021-06-05 10:12:17,983 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:17,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:17,987 INFO L82 PathProgramCache]: Analyzing trace with hash 2019691919, now seen corresponding path program 1 times [2021-06-05 10:12:17,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:17,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311053613] [2021-06-05 10:12:17,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:18,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:18,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311053613] [2021-06-05 10:12:18,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311053613] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:18,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:18,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:18,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942655350] [2021-06-05 10:12:18,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:18,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:18,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:18,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:18,285 INFO L87 Difference]: Start difference. First operand has 9331 states, 9329 states have (on average 3.5626540893986496) internal successors, (33236), 9330 states have internal predecessors, (33236), 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 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:18,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:18,519 INFO L93 Difference]: Finished difference Result 13118 states and 45582 transitions. [2021-06-05 10:12:18,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:18,521 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2021-06-05 10:12:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:18,554 INFO L225 Difference]: With dead ends: 13118 [2021-06-05 10:12:18,555 INFO L226 Difference]: Without dead ends: 4963 [2021-06-05 10:12:18,555 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 117.7ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:18,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2021-06-05 10:12:18,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4963. [2021-06-05 10:12:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4963 states, 4962 states have (on average 3.4014510278113663) internal successors, (16878), 4962 states have internal predecessors, (16878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4963 states to 4963 states and 16878 transitions. [2021-06-05 10:12:18,805 INFO L78 Accepts]: Start accepts. Automaton has 4963 states and 16878 transitions. Word has length 48 [2021-06-05 10:12:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:18,806 INFO L482 AbstractCegarLoop]: Abstraction has 4963 states and 16878 transitions. [2021-06-05 10:12:18,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4963 states and 16878 transitions. [2021-06-05 10:12:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 10:12:18,813 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:18,814 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:18,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:12:18,814 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:18,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1441415890, now seen corresponding path program 1 times [2021-06-05 10:12:18,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:18,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668218185] [2021-06-05 10:12:18,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:18,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:18,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668218185] [2021-06-05 10:12:18,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668218185] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:18,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:18,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:18,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458467845] [2021-06-05 10:12:18,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:18,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:18,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:18,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:18,895 INFO L87 Difference]: Start difference. First operand 4963 states and 16878 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:19,036 INFO L93 Difference]: Finished difference Result 5987 states and 20175 transitions. [2021-06-05 10:12:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-05 10:12:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:19,104 INFO L225 Difference]: With dead ends: 5987 [2021-06-05 10:12:19,104 INFO L226 Difference]: Without dead ends: 4783 [2021-06-05 10:12:19,105 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 83.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2021-06-05 10:12:19,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4783. [2021-06-05 10:12:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4783 states, 4782 states have (on average 3.386449184441656) internal successors, (16194), 4782 states have internal predecessors, (16194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4783 states to 4783 states and 16194 transitions. [2021-06-05 10:12:19,213 INFO L78 Accepts]: Start accepts. Automaton has 4783 states and 16194 transitions. Word has length 50 [2021-06-05 10:12:19,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:19,213 INFO L482 AbstractCegarLoop]: Abstraction has 4783 states and 16194 transitions. [2021-06-05 10:12:19,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4783 states and 16194 transitions. [2021-06-05 10:12:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-05 10:12:19,221 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:19,221 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:19,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:12:19,221 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:19,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:19,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1151429570, now seen corresponding path program 1 times [2021-06-05 10:12:19,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:19,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359060347] [2021-06-05 10:12:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:19,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:19,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359060347] [2021-06-05 10:12:19,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359060347] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:19,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:19,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:19,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765055833] [2021-06-05 10:12:19,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:19,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:19,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:19,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:19,348 INFO L87 Difference]: Start difference. First operand 4783 states and 16194 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:19,508 INFO L93 Difference]: Finished difference Result 7751 states and 25864 transitions. [2021-06-05 10:12:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:19,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2021-06-05 10:12:19,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:19,545 INFO L225 Difference]: With dead ends: 7751 [2021-06-05 10:12:19,545 INFO L226 Difference]: Without dead ends: 5287 [2021-06-05 10:12:19,546 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 83.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2021-06-05 10:12:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 4447. [2021-06-05 10:12:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4447 states, 4446 states have (on average 3.3067926225820963) internal successors, (14702), 4446 states have internal predecessors, (14702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4447 states to 4447 states and 14702 transitions. [2021-06-05 10:12:19,652 INFO L78 Accepts]: Start accepts. Automaton has 4447 states and 14702 transitions. Word has length 51 [2021-06-05 10:12:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:19,653 INFO L482 AbstractCegarLoop]: Abstraction has 4447 states and 14702 transitions. [2021-06-05 10:12:19,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4447 states and 14702 transitions. [2021-06-05 10:12:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:12:19,661 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:19,661 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:19,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:12:19,661 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:19,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1344167279, now seen corresponding path program 1 times [2021-06-05 10:12:19,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:19,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665514721] [2021-06-05 10:12:19,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:19,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:19,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665514721] [2021-06-05 10:12:19,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665514721] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:19,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:19,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:19,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200770191] [2021-06-05 10:12:19,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:19,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:19,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:19,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:19,787 INFO L87 Difference]: Start difference. First operand 4447 states and 14702 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:19,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:19,898 INFO L93 Difference]: Finished difference Result 5379 states and 17463 transitions. [2021-06-05 10:12:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:19,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-06-05 10:12:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:19,912 INFO L225 Difference]: With dead ends: 5379 [2021-06-05 10:12:19,913 INFO L226 Difference]: Without dead ends: 4007 [2021-06-05 10:12:19,913 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 76.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2021-06-05 10:12:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 4007. [2021-06-05 10:12:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4007 states, 4006 states have (on average 3.240639041437843) internal successors, (12982), 4006 states have internal predecessors, (12982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 12982 transitions. [2021-06-05 10:12:20,006 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 12982 transitions. Word has length 52 [2021-06-05 10:12:20,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:20,007 INFO L482 AbstractCegarLoop]: Abstraction has 4007 states and 12982 transitions. [2021-06-05 10:12:20,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 12982 transitions. [2021-06-05 10:12:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:12:20,014 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:20,014 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:20,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:12:20,014 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:20,015 INFO L82 PathProgramCache]: Analyzing trace with hash -613291728, now seen corresponding path program 1 times [2021-06-05 10:12:20,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:20,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745059752] [2021-06-05 10:12:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:20,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:20,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745059752] [2021-06-05 10:12:20,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745059752] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:20,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:20,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:12:20,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371108989] [2021-06-05 10:12:20,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:12:20,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:20,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:12:20,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:12:20,137 INFO L87 Difference]: Start difference. First operand 4007 states and 12982 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:20,236 INFO L93 Difference]: Finished difference Result 3935 states and 12349 transitions. [2021-06-05 10:12:20,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:12:20,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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 54 [2021-06-05 10:12:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:20,244 INFO L225 Difference]: With dead ends: 3935 [2021-06-05 10:12:20,244 INFO L226 Difference]: Without dead ends: 2819 [2021-06-05 10:12:20,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 77.9ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:12:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2021-06-05 10:12:20,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2819. [2021-06-05 10:12:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2818 states have (on average 3.092973740241306) internal successors, (8716), 2818 states have internal predecessors, (8716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 8716 transitions. [2021-06-05 10:12:20,295 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 8716 transitions. Word has length 54 [2021-06-05 10:12:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:20,295 INFO L482 AbstractCegarLoop]: Abstraction has 2819 states and 8716 transitions. [2021-06-05 10:12:20,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 8716 transitions. [2021-06-05 10:12:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-05 10:12:20,299 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:20,300 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:20,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:12:20,300 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:20,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:20,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2079092717, now seen corresponding path program 1 times [2021-06-05 10:12:20,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:20,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12300222] [2021-06-05 10:12:20,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:20,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:20,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12300222] [2021-06-05 10:12:20,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12300222] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:20,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:20,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:12:20,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857176351] [2021-06-05 10:12:20,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:12:20,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:12:20,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:12:20,351 INFO L87 Difference]: Start difference. First operand 2819 states and 8716 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:20,431 INFO L93 Difference]: Finished difference Result 4337 states and 13310 transitions. [2021-06-05 10:12:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:12:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2021-06-05 10:12:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:20,438 INFO L225 Difference]: With dead ends: 4337 [2021-06-05 10:12:20,438 INFO L226 Difference]: Without dead ends: 2882 [2021-06-05 10:12:20,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 65.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:20,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2021-06-05 10:12:20,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2666. [2021-06-05 10:12:20,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2665 states have (on average 3.0228893058161352) internal successors, (8056), 2665 states have internal predecessors, (8056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 8056 transitions. [2021-06-05 10:12:20,493 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 8056 transitions. Word has length 56 [2021-06-05 10:12:20,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:20,494 INFO L482 AbstractCegarLoop]: Abstraction has 2666 states and 8056 transitions. [2021-06-05 10:12:20,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 8056 transitions. [2021-06-05 10:12:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-05 10:12:20,498 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:20,498 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:20,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:12:20,498 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:20,499 INFO L82 PathProgramCache]: Analyzing trace with hash -197508683, now seen corresponding path program 1 times [2021-06-05 10:12:20,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:20,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876259474] [2021-06-05 10:12:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:20,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:20,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876259474] [2021-06-05 10:12:20,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876259474] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:20,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:20,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:12:20,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494001492] [2021-06-05 10:12:20,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:12:20,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:20,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:12:20,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:12:20,612 INFO L87 Difference]: Start difference. First operand 2666 states and 8056 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:20,731 INFO L93 Difference]: Finished difference Result 2234 states and 6571 transitions. [2021-06-05 10:12:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:12:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 56 [2021-06-05 10:12:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:20,733 INFO L225 Difference]: With dead ends: 2234 [2021-06-05 10:12:20,734 INFO L226 Difference]: Without dead ends: 874 [2021-06-05 10:12:20,734 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 93.2ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:12:20,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-06-05 10:12:20,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-06-05 10:12:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 2.847651775486827) internal successors, (2486), 873 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 2486 transitions. [2021-06-05 10:12:20,746 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 2486 transitions. Word has length 56 [2021-06-05 10:12:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:20,746 INFO L482 AbstractCegarLoop]: Abstraction has 874 states and 2486 transitions. [2021-06-05 10:12:20,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2486 transitions. [2021-06-05 10:12:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 10:12:20,747 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:12:20,748 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:12:20,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:12:20,748 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:12:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:12:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1992747379, now seen corresponding path program 1 times [2021-06-05 10:12:20,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:12:20,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104131807] [2021-06-05 10:12:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:12:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:12:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:12:20,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:12:20,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104131807] [2021-06-05 10:12:20,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104131807] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:12:20,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:12:20,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:12:20,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118035753] [2021-06-05 10:12:20,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:12:20,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:12:20,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:12:20,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:12:20,817 INFO L87 Difference]: Start difference. First operand 874 states and 2486 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:12:20,865 INFO L93 Difference]: Finished difference Result 820 states and 2324 transitions. [2021-06-05 10:12:20,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:12:20,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2021-06-05 10:12:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:12:20,866 INFO L225 Difference]: With dead ends: 820 [2021-06-05 10:12:20,866 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:12:20,866 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.3ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:12:20,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:12:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:12:20,866 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) [2021-06-05 10:12:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:12:20,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-06-05 10:12:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:12:20,867 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:12:20,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:12:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:12:20,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:12:20,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:12:20,868 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:12:20,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:12:20 BasicIcfg [2021-06-05 10:12:20,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:12:20,873 INFO L168 Benchmark]: Toolchain (without parser) took 4317.26 ms. Allocated memory was 373.3 MB in the beginning and 878.7 MB in the end (delta: 505.4 MB). Free memory was 335.7 MB in the beginning and 656.7 MB in the end (delta: -321.0 MB). Peak memory consumption was 185.9 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,873 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 373.3 MB. Free memory was 354.1 MB in the beginning and 354.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:12:20,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.01 ms. Allocated memory is still 373.3 MB. Free memory was 335.5 MB in the beginning and 335.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 373.3 MB. Free memory was 335.5 MB in the beginning and 333.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,876 INFO L168 Benchmark]: Boogie Preprocessor took 13.93 ms. Allocated memory is still 373.3 MB. Free memory was 333.4 MB in the beginning and 331.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,878 INFO L168 Benchmark]: RCFGBuilder took 420.44 ms. Allocated memory is still 373.3 MB. Free memory was 331.3 MB in the beginning and 307.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,879 INFO L168 Benchmark]: TraceAbstraction took 3464.07 ms. Allocated memory was 373.3 MB in the beginning and 878.7 MB in the end (delta: 505.4 MB). Free memory was 306.1 MB in the beginning and 656.7 MB in the end (delta: -350.6 MB). Peak memory consumption was 158.0 MB. Max. memory is 16.0 GB. [2021-06-05 10:12:20,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 373.3 MB. Free memory was 354.1 MB in the beginning and 354.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 388.01 ms. Allocated memory is still 373.3 MB. Free memory was 335.5 MB in the beginning and 335.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 373.3 MB. Free memory was 335.5 MB in the beginning and 333.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.93 ms. Allocated memory is still 373.3 MB. Free memory was 333.4 MB in the beginning and 331.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 420.44 ms. Allocated memory is still 373.3 MB. Free memory was 331.3 MB in the beginning and 307.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3464.07 ms. Allocated memory was 373.3 MB in the beginning and 878.7 MB in the end (delta: 505.4 MB). Free memory was 306.1 MB in the beginning and 656.7 MB in the end (delta: -350.6 MB). Peak memory consumption was 158.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3368.0ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 100.1ms, AutomataDifference: 1222.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 417.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 867 SDtfs, 1145 SDslu, 2707 SDs, 0 SdLazy, 273 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 173.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 660.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9331occurred in iteration=0, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 665.6ms AutomataMinimizationTime, 8 MinimizatonAttempts, 1056 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.6ms SsaConstructionTime, 154.4ms SatisfiabilityAnalysisTime, 623.6ms InterpolantComputationTime, 427 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 1103 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...