/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 00:10:34,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 00:10:34,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 00:10:34,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 00:10:34,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 00:10:34,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 00:10:34,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 00:10:34,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 00:10:34,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 00:10:34,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 00:10:34,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 00:10:34,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 00:10:34,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 00:10:34,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 00:10:34,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 00:10:34,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 00:10:34,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 00:10:34,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 00:10:34,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 00:10:34,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 00:10:34,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 00:10:34,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 00:10:34,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 00:10:34,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 00:10:34,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 00:10:34,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 00:10:34,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 00:10:34,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 00:10:34,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 00:10:34,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 00:10:34,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 00:10:34,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 00:10:34,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 00:10:34,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 00:10:34,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 00:10:34,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 00:10:34,764 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-SemanticLbe.epf [2020-11-12 00:10:34,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 00:10:34,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 00:10:34,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 00:10:34,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 00:10:34,794 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 00:10:34,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 00:10:34,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 00:10:34,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 00:10:34,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 00:10:34,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 00:10:34,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 00:10:34,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 00:10:34,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 00:10:34,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 00:10:34,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 00:10:34,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 00:10:34,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 00:10:34,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 00:10:34,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 00:10:34,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 00:10:34,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 00:10:34,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 00:10:34,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 00:10:34,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 00:10:34,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 00:10:34,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 00:10:34,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 00:10:34,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 00:10:34,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 00:10:35,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 00:10:35,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 00:10:35,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 00:10:35,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 00:10:35,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 00:10:35,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-12 00:10:35,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a376861d4/7b977be06b094816a2acb56d53b3ca04/FLAGf3c06a34d [2020-11-12 00:10:36,146 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 00:10:36,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-11-12 00:10:36,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a376861d4/7b977be06b094816a2acb56d53b3ca04/FLAGf3c06a34d [2020-11-12 00:10:36,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a376861d4/7b977be06b094816a2acb56d53b3ca04 [2020-11-12 00:10:36,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 00:10:36,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 00:10:36,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 00:10:36,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 00:10:36,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 00:10:36,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:36" (1/1) ... [2020-11-12 00:10:36,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124f173c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:36, skipping insertion in model container [2020-11-12 00:10:36,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:36" (1/1) ... [2020-11-12 00:10:36,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 00:10:36,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 00:10:36,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:10:36,857 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 00:10:36,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:10:37,029 INFO L208 MainTranslator]: Completed translation [2020-11-12 00:10:37,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37 WrapperNode [2020-11-12 00:10:37,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 00:10:37,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 00:10:37,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 00:10:37,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 00:10:37,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 00:10:37,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 00:10:37,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 00:10:37,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 00:10:37,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2020-11-12 00:10:37,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 00:10:37,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 00:10:37,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 00:10:37,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 00:10:37,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (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 00:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 00:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 00:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 00:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 00:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 00:10:37,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 00:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 00:10:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 00:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 00:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 00:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 00:10:37,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 00:10:37,250 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 00:10:37,860 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 00:10:37,860 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 00:10:37,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:37 BoogieIcfgContainer [2020-11-12 00:10:37,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 00:10:37,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 00:10:37,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 00:10:37,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 00:10:37,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:36" (1/3) ... [2020-11-12 00:10:37,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ddf583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:37, skipping insertion in model container [2020-11-12 00:10:37,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (2/3) ... [2020-11-12 00:10:37,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ddf583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:37, skipping insertion in model container [2020-11-12 00:10:37,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:37" (3/3) ... [2020-11-12 00:10:37,876 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-11-12 00:10:37,894 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 00:10:37,895 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 00:10:37,899 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 00:10:37,900 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 00:10:37,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,939 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,943 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,943 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,944 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,944 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,966 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,966 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:10:37,968 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 00:10:37,983 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 00:10:38,024 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 00:10:38,024 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 00:10:38,024 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 00:10:38,024 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 00:10:38,025 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 00:10:38,026 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 00:10:38,026 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 00:10:38,027 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 00:10:38,043 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-12 00:10:38,046 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-12 00:10:38,050 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 63 transitions, 136 flow [2020-11-12 00:10:38,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 136 flow [2020-11-12 00:10:38,131 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2020-11-12 00:10:38,131 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-12 00:10:38,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-12 00:10:38,141 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-12 00:10:40,266 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-12 00:10:40,423 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-12 00:10:40,750 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-12 00:10:40,861 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-11-12 00:10:41,077 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-12 00:10:41,211 INFO L131 LiptonReduction]: Checked pairs total: 1336 [2020-11-12 00:10:41,211 INFO L133 LiptonReduction]: Total number of compositions: 59 [2020-11-12 00:10:41,218 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-12 00:10:41,233 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 00:10:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 00:10:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-12 00:10:41,242 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:10:41,243 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-12 00:10:41,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:10:41,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:10:41,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1514479789, now seen corresponding path program 1 times [2020-11-12 00:10:41,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:10:41,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449447538] [2020-11-12 00:10:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:10:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:10:41,443 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 00:10:41,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449447538] [2020-11-12 00:10:41,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:10:41,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 00:10:41,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310347574] [2020-11-12 00:10:41,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 00:10:41,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:10:41,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 00:10:41,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:10:41,479 INFO L87 Difference]: Start difference. First operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:10:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:10:41,506 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-12 00:10:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 00:10:41,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2020-11-12 00:10:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:10:41,522 INFO L225 Difference]: With dead ends: 90 [2020-11-12 00:10:41,522 INFO L226 Difference]: Without dead ends: 74 [2020-11-12 00:10:41,524 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:10:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-12 00:10:41,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-12 00:10:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 states have internal predecessors, (160), 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 00:10:41,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-12 00:10:41,571 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-12 00:10:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:10:41,572 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-12 00:10:41,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:10:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-12 00:10:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-12 00:10:41,573 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:10:41,573 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:10:41,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 00:10:41,574 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:10:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:10:41,574 INFO L82 PathProgramCache]: Analyzing trace with hash 295759931, now seen corresponding path program 1 times [2020-11-12 00:10:41,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:10:41,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911043663] [2020-11-12 00:10:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:10:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:10:41,676 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 00:10:41,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911043663] [2020-11-12 00:10:41,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:10:41,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 00:10:41,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453980322] [2020-11-12 00:10:41,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 00:10:41,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:10:41,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 00:10:41,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 00:10:41,680 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 00:10:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:10:41,692 INFO L93 Difference]: Finished difference Result 47 states and 79 transitions. [2020-11-12 00:10:41,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 00:10:41,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2020-11-12 00:10:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:10:41,694 INFO L225 Difference]: With dead ends: 47 [2020-11-12 00:10:41,694 INFO L226 Difference]: Without dead ends: 47 [2020-11-12 00:10:41,695 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 00:10:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-12 00:10:41,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-12 00:10:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 46 states have internal predecessors, (79), 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 00:10:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions. [2020-11-12 00:10:41,702 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7 [2020-11-12 00:10:41,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:10:41,702 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions. [2020-11-12 00:10:41,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 00:10:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-11-12 00:10:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-12 00:10:41,703 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:10:41,703 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:10:41,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 00:10:41,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:10:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:10:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash -934342217, now seen corresponding path program 1 times [2020-11-12 00:10:41,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:10:41,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769122596] [2020-11-12 00:10:41,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:10:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:10:41,785 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 00:10:41,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769122596] [2020-11-12 00:10:41,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:10:41,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 00:10:41,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450887330] [2020-11-12 00:10:41,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 00:10:41,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:10:41,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 00:10:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:10:41,788 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 00:10:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:10:41,810 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-11-12 00:10:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 00:10:41,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2020-11-12 00:10:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:10:41,812 INFO L225 Difference]: With dead ends: 29 [2020-11-12 00:10:41,812 INFO L226 Difference]: Without dead ends: 29 [2020-11-12 00:10:41,813 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:10:41,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-12 00:10:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-12 00:10:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 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 00:10:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-11-12 00:10:41,817 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2020-11-12 00:10:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:10:41,818 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-11-12 00:10:41,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 00:10:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-12 00:10:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:10:41,819 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:10:41,819 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:10:41,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 00:10:41,819 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:10:41,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:10:41,820 INFO L82 PathProgramCache]: Analyzing trace with hash -664833354, now seen corresponding path program 1 times [2020-11-12 00:10:41,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:10:41,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827251122] [2020-11-12 00:10:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:10:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:10:41,929 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 00:10:41,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827251122] [2020-11-12 00:10:41,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:10:41,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 00:10:41,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011631964] [2020-11-12 00:10:41,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 00:10:41,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:10:41,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 00:10:41,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:10:41,933 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 00:10:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:10:41,961 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-11-12 00:10:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 00:10:41,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2020-11-12 00:10:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:10:41,962 INFO L225 Difference]: With dead ends: 37 [2020-11-12 00:10:41,962 INFO L226 Difference]: Without dead ends: 17 [2020-11-12 00:10:41,963 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:10:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-12 00:10:41,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-12 00:10:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 00:10:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-12 00:10:41,969 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2020-11-12 00:10:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:10:41,969 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-12 00:10:41,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 00:10:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-12 00:10:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:10:41,970 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:10:41,970 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:10:41,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 00:10:41,971 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:10:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:10:41,971 INFO L82 PathProgramCache]: Analyzing trace with hash -540003518, now seen corresponding path program 2 times [2020-11-12 00:10:41,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:10:41,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824298190] [2020-11-12 00:10:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:10:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:10:42,072 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 00:10:42,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824298190] [2020-11-12 00:10:42,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:10:42,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 00:10:42,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402896393] [2020-11-12 00:10:42,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 00:10:42,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:10:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 00:10:42,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:10:42,077 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 00:10:42,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:10:42,107 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-11-12 00:10:42,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 00:10:42,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2020-11-12 00:10:42,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:10:42,108 INFO L225 Difference]: With dead ends: 16 [2020-11-12 00:10:42,108 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 00:10:42,108 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:10:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 00:10:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 00:10:42,109 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 00:10:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 00:10:42,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-12 00:10:42,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:10:42,109 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 00:10:42,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 00:10:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 00:10:42,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 00:10:42,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 00:10:42,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:42 BasicIcfg [2020-11-12 00:10:42,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 00:10:42,116 INFO L168 Benchmark]: Toolchain (without parser) took 5767.97 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 277.0 MB in the beginning and 306.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,117 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:10:42,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.33 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.66 ms. Allocated memory is still 302.0 MB. Free memory was 245.2 MB in the beginning and 243.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,120 INFO L168 Benchmark]: Boogie Preprocessor took 58.24 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 284.8 MB in the end (delta: -41.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,120 INFO L168 Benchmark]: RCFGBuilder took 709.10 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 263.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,121 INFO L168 Benchmark]: TraceAbstraction took 4247.52 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 263.8 MB in the beginning and 306.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB. [2020-11-12 00:10:42,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 675.33 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.66 ms. Allocated memory is still 302.0 MB. Free memory was 245.2 MB in the beginning and 243.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 58.24 ms. Allocated memory is still 302.0 MB. Free memory was 243.3 MB in the beginning and 284.8 MB in the end (delta: -41.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 709.10 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 263.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4247.52 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 263.8 MB in the beginning and 306.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 500 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 23 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 31 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 67 PlacesBefore, 23 PlacesAfterwards, 63 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 59 TotalNumberOfCompositions, 1336 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 63 SDtfs, 22 SDslu, 59 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...