/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 15:01:24,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 15:01:24,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 15:01:25,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 15:01:25,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 15:01:25,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 15:01:25,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 15:01:25,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 15:01:25,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 15:01:25,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 15:01:25,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 15:01:25,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 15:01:25,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 15:01:25,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 15:01:25,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 15:01:25,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 15:01:25,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 15:01:25,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 15:01:25,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 15:01:25,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 15:01:25,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 15:01:25,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 15:01:25,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 15:01:25,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 15:01:25,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 15:01:25,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 15:01:25,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 15:01:25,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 15:01:25,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 15:01:25,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 15:01:25,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 15:01:25,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 15:01:25,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 15:01:25,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 15:01:25,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 15:01:25,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 15:01:25,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 15:01:25,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 15:01:25,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 15:01:25,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 15:01:25,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 15:01:25,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-11 15:01:25,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 15:01:25,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 15:01:25,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 15:01:25,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 15:01:25,068 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 15:01:25,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 15:01:25,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 15:01:25,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 15:01:25,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 15:01:25,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 15:01:25,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 15:01:25,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 15:01:25,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 15:01:25,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 15:01:25,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 15:01:25,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 15:01:25,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 15:01:25,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 15:01:25,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 15:01:25,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 15:01:25,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 15:01:25,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 15:01:25,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 15:01:25,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 15:01:25,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 15:01:25,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 15:01:25,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 15:01:25,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 15:01:25,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 15:01:25,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 15:01:25,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 15:01:25,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 15:01:25,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 15:01:25,555 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 15:01:25,556 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 15:01:25,557 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2020-09-11 15:01:25,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cacb24ce/e37a46305dbf476f8ba79d219b76d2af/FLAG00f8f8833 [2020-09-11 15:01:26,253 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 15:01:26,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2020-09-11 15:01:26,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cacb24ce/e37a46305dbf476f8ba79d219b76d2af/FLAG00f8f8833 [2020-09-11 15:01:26,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cacb24ce/e37a46305dbf476f8ba79d219b76d2af [2020-09-11 15:01:26,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 15:01:26,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 15:01:26,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 15:01:26,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 15:01:26,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 15:01:26,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 03:01:26" (1/1) ... [2020-09-11 15:01:26,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d51a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:26, skipping insertion in model container [2020-09-11 15:01:26,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 03:01:26" (1/1) ... [2020-09-11 15:01:26,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 15:01:26,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 15:01:27,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 15:01:27,138 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 15:01:27,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 15:01:27,271 INFO L208 MainTranslator]: Completed translation [2020-09-11 15:01:27,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27 WrapperNode [2020-09-11 15:01:27,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 15:01:27,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 15:01:27,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 15:01:27,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 15:01:27,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 15:01:27,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 15:01:27,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 15:01:27,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 15:01:27,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... [2020-09-11 15:01:27,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 15:01:27,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 15:01:27,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 15:01:27,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 15:01:27,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-11 15:01:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 15:01:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-11 15:01:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 15:01:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 15:01:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-11 15:01:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-11 15:01:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-11 15:01:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-11 15:01:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-11 15:01:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-11 15:01:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-11 15:01:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 15:01:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 15:01:27,447 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 15:01:27,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 15:01:27,840 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-11 15:01:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 03:01:27 BoogieIcfgContainer [2020-09-11 15:01:27,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 15:01:27,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 15:01:27,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 15:01:27,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 15:01:27,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 03:01:26" (1/3) ... [2020-09-11 15:01:27,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fce2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 03:01:27, skipping insertion in model container [2020-09-11 15:01:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 03:01:27" (2/3) ... [2020-09-11 15:01:27,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fce2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 03:01:27, skipping insertion in model container [2020-09-11 15:01:27,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 03:01:27" (3/3) ... [2020-09-11 15:01:27,860 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_tso.oepc.i [2020-09-11 15:01:27,872 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 15:01:27,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 15:01:27,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-11 15:01:27,884 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 15:01:27,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,933 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 15:01:27,959 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-11 15:01:27,982 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 15:01:27,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 15:01:27,983 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 15:01:27,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 15:01:27,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 15:01:27,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 15:01:27,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 15:01:27,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 15:01:28,000 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-09-11 15:01:28,003 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-11 15:01:28,056 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-11 15:01:28,056 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 15:01:28,068 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-11 15:01:28,071 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-11 15:01:28,113 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-11 15:01:28,113 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 15:01:28,117 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-11 15:01:28,119 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-09-11 15:01:28,123 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 15:01:29,901 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700 [2020-09-11 15:01:29,902 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-09-11 15:01:29,907 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-09-11 15:01:29,945 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-09-11 15:01:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-09-11 15:01:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 15:01:29,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:29,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:29,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:29,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:29,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-09-11 15:01:29,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:29,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864137208] [2020-09-11 15:01:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:30,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864137208] [2020-09-11 15:01:30,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:30,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 15:01:30,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60886836] [2020-09-11 15:01:30,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 15:01:30,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:30,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 15:01:30,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:01:30,296 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-09-11 15:01:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:30,358 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-09-11 15:01:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 15:01:30,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-11 15:01:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:30,382 INFO L225 Difference]: With dead ends: 282 [2020-09-11 15:01:30,382 INFO L226 Difference]: Without dead ends: 218 [2020-09-11 15:01:30,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:01:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-09-11 15:01:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-09-11 15:01:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-11 15:01:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-09-11 15:01:30,470 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-09-11 15:01:30,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:30,471 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-09-11 15:01:30,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 15:01:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-09-11 15:01:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-11 15:01:30,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:30,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:30,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 15:01:30,474 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times [2020-09-11 15:01:30,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:30,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663223076] [2020-09-11 15:01:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:30,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663223076] [2020-09-11 15:01:30,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:30,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 15:01:30,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980471014] [2020-09-11 15:01:30,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:01:30,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:30,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:01:30,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:01:30,618 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-09-11 15:01:30,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:30,660 INFO L93 Difference]: Finished difference Result 290 states and 762 transitions. [2020-09-11 15:01:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 15:01:30,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-09-11 15:01:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:30,663 INFO L225 Difference]: With dead ends: 290 [2020-09-11 15:01:30,664 INFO L226 Difference]: Without dead ends: 164 [2020-09-11 15:01:30,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:01:30,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-11 15:01:30,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-11 15:01:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-11 15:01:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 424 transitions. [2020-09-11 15:01:30,682 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 424 transitions. Word has length 9 [2020-09-11 15:01:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:30,683 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 424 transitions. [2020-09-11 15:01:30,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:01:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 424 transitions. [2020-09-11 15:01:30,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-11 15:01:30,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:30,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:30,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 15:01:30,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:30,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:30,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 1 times [2020-09-11 15:01:30,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:30,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676830420] [2020-09-11 15:01:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:30,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676830420] [2020-09-11 15:01:30,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:30,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 15:01:30,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138739129] [2020-09-11 15:01:30,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:01:30,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:01:30,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:01:30,767 INFO L87 Difference]: Start difference. First operand 164 states and 424 transitions. Second operand 4 states. [2020-09-11 15:01:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:30,801 INFO L93 Difference]: Finished difference Result 244 states and 582 transitions. [2020-09-11 15:01:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-11 15:01:30,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-09-11 15:01:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:30,803 INFO L225 Difference]: With dead ends: 244 [2020-09-11 15:01:30,804 INFO L226 Difference]: Without dead ends: 128 [2020-09-11 15:01:30,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:01:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-11 15:01:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2020-09-11 15:01:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-11 15:01:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 268 transitions. [2020-09-11 15:01:30,815 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 268 transitions. Word has length 11 [2020-09-11 15:01:30,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:30,816 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 268 transitions. [2020-09-11 15:01:30,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:01:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 268 transitions. [2020-09-11 15:01:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-11 15:01:30,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:30,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:30,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 15:01:30,818 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:30,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:30,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times [2020-09-11 15:01:30,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:30,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912018582] [2020-09-11 15:01:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:30,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912018582] [2020-09-11 15:01:30,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:30,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 15:01:30,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274928227] [2020-09-11 15:01:30,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 15:01:30,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:30,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 15:01:30,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:01:30,940 INFO L87 Difference]: Start difference. First operand 116 states and 268 transitions. Second operand 3 states. [2020-09-11 15:01:30,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:30,947 INFO L93 Difference]: Finished difference Result 110 states and 249 transitions. [2020-09-11 15:01:30,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 15:01:30,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-09-11 15:01:30,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:30,949 INFO L225 Difference]: With dead ends: 110 [2020-09-11 15:01:30,949 INFO L226 Difference]: Without dead ends: 110 [2020-09-11 15:01:30,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 15:01:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-11 15:01:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-09-11 15:01:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-11 15:01:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 249 transitions. [2020-09-11 15:01:30,973 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 249 transitions. Word has length 11 [2020-09-11 15:01:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:30,973 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 249 transitions. [2020-09-11 15:01:30,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 15:01:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 249 transitions. [2020-09-11 15:01:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-11 15:01:30,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:30,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:30,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 15:01:30,975 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:30,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:30,976 INFO L82 PathProgramCache]: Analyzing trace with hash -142823170, now seen corresponding path program 1 times [2020-09-11 15:01:30,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:30,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812276903] [2020-09-11 15:01:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:31,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812276903] [2020-09-11 15:01:31,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:31,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 15:01:31,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542607464] [2020-09-11 15:01:31,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:01:31,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:31,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:01:31,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:01:31,051 INFO L87 Difference]: Start difference. First operand 110 states and 249 transitions. Second operand 4 states. [2020-09-11 15:01:31,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:31,068 INFO L93 Difference]: Finished difference Result 112 states and 234 transitions. [2020-09-11 15:01:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 15:01:31,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-09-11 15:01:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:31,069 INFO L225 Difference]: With dead ends: 112 [2020-09-11 15:01:31,069 INFO L226 Difference]: Without dead ends: 46 [2020-09-11 15:01:31,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:01:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-11 15:01:31,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-09-11 15:01:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-09-11 15:01:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 84 transitions. [2020-09-11 15:01:31,073 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 84 transitions. Word has length 12 [2020-09-11 15:01:31,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:31,074 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 84 transitions. [2020-09-11 15:01:31,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:01:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2020-09-11 15:01:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-11 15:01:31,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 15:01:31,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 15:01:31,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 15:01:31,075 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 15:01:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 15:01:31,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1997055762, now seen corresponding path program 1 times [2020-09-11 15:01:31,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 15:01:31,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339409051] [2020-09-11 15:01:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 15:01:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 15:01:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 15:01:31,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339409051] [2020-09-11 15:01:31,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 15:01:31,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 15:01:31,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915770340] [2020-09-11 15:01:31,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 15:01:31,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 15:01:31,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 15:01:31,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 15:01:31,133 INFO L87 Difference]: Start difference. First operand 46 states and 84 transitions. Second operand 4 states. [2020-09-11 15:01:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 15:01:31,145 INFO L93 Difference]: Finished difference Result 34 states and 60 transitions. [2020-09-11 15:01:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 15:01:31,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-09-11 15:01:31,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 15:01:31,146 INFO L225 Difference]: With dead ends: 34 [2020-09-11 15:01:31,146 INFO L226 Difference]: Without dead ends: 0 [2020-09-11 15:01:31,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 15:01:31,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-11 15:01:31,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-11 15:01:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-11 15:01:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-11 15:01:31,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-09-11 15:01:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 15:01:31,148 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-11 15:01:31,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 15:01:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-11 15:01:31,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-11 15:01:31,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 15:01:31,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 03:01:31 BasicIcfg [2020-09-11 15:01:31,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 15:01:31,157 INFO L168 Benchmark]: Toolchain (without parser) took 4640.54 ms. Allocated memory was 146.3 MB in the beginning and 248.5 MB in the end (delta: 102.2 MB). Free memory was 101.1 MB in the beginning and 192.0 MB in the end (delta: -90.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-09-11 15:01:31,158 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 15:01:31,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.92 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.4 MB in the beginning and 162.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-09-11 15:01:31,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-11 15:01:31,161 INFO L168 Benchmark]: Boogie Preprocessor took 31.22 ms. Allocated memory is still 205.0 MB. Free memory was 160.3 MB in the beginning and 158.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-11 15:01:31,162 INFO L168 Benchmark]: RCFGBuilder took 485.34 ms. Allocated memory is still 205.0 MB. Free memory was 158.9 MB in the beginning and 136.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-11 15:01:31,162 INFO L168 Benchmark]: TraceAbstraction took 3302.71 ms. Allocated memory was 205.0 MB in the beginning and 248.5 MB in the end (delta: 43.5 MB). Free memory was 136.3 MB in the beginning and 192.0 MB in the end (delta: -55.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 15:01:31,167 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.92 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.4 MB in the beginning and 162.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.22 ms. Allocated memory is still 205.0 MB. Free memory was 160.3 MB in the beginning and 158.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.34 ms. Allocated memory is still 205.0 MB. Free memory was 158.9 MB in the beginning and 136.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3302.71 ms. Allocated memory was 205.0 MB in the beginning and 248.5 MB in the end (delta: 43.5 MB). Free memory was 136.3 MB in the beginning and 192.0 MB in the end (delta: -55.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 667 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 105 SDtfs, 84 SDslu, 96 SDs, 0 SdLazy, 37 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1594 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...