./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80ac34830e2a44184618192133282a77e92153b3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:34:15,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:34:15,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:34:15,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:34:15,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:34:15,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:34:15,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:34:15,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:34:15,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:34:15,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:34:15,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:34:15,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:34:15,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:34:15,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:34:15,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:34:15,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:34:15,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:34:16,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:34:16,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:34:16,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:34:16,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:34:16,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:34:16,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:34:16,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:34:16,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:34:16,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:34:16,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:34:16,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:34:16,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:34:16,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:34:16,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:34:16,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:34:16,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:34:16,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:34:16,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:34:16,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:34:16,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:34:16,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:34:16,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:34:16,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:34:16,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:34:16,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:34:16,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:34:16,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:34:16,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:34:16,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:34:16,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:34:16,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:34:16,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:34:16,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:34:16,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:34:16,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:34:16,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:34:16,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:34:16,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:34:16,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:34:16,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:34:16,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:34:16,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:34:16,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:34:16,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:34:16,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:34:16,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:34:16,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:34:16,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:34:16,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:34:16,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:34:16,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:34:16,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:34:16,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:34:16,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:34:16,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80ac34830e2a44184618192133282a77e92153b3 [2019-11-28 18:34:16,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:34:16,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:34:16,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:34:16,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:34:16,417 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:34:16,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe037_pso.oepc.i [2019-11-28 18:34:16,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bdf02c7/94d3a1b41551427eb5ea09e3d3913bec/FLAG784772117 [2019-11-28 18:34:16,990 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:34:16,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe037_pso.oepc.i [2019-11-28 18:34:17,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bdf02c7/94d3a1b41551427eb5ea09e3d3913bec/FLAG784772117 [2019-11-28 18:34:17,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6bdf02c7/94d3a1b41551427eb5ea09e3d3913bec [2019-11-28 18:34:17,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:34:17,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:34:17,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:34:17,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:34:17,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:34:17,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:17,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458f0f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17, skipping insertion in model container [2019-11-28 18:34:17,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:17,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:34:17,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:34:17,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:34:17,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:34:17,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:34:17,957 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:34:17,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17 WrapperNode [2019-11-28 18:34:17,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:34:17,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:34:17,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:34:17,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:34:17,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:34:18,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:34:18,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:34:18,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:34:18,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (1/1) ... [2019-11-28 18:34:18,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:34:18,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:34:18,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:34:18,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:34:18,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (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 [2019-11-28 18:34:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:34:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:34:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:34:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:34:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:34:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:34:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:34:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:34:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:34:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:34:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:34:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:34:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:34:18,140 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:34:18,508 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:34:18,508 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:34:18,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:18 BoogieIcfgContainer [2019-11-28 18:34:18,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:34:18,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:34:18,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:34:18,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:34:18,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:34:17" (1/3) ... [2019-11-28 18:34:18,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29128427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:34:18, skipping insertion in model container [2019-11-28 18:34:18,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:34:17" (2/3) ... [2019-11-28 18:34:18,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29128427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:34:18, skipping insertion in model container [2019-11-28 18:34:18,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:18" (3/3) ... [2019-11-28 18:34:18,518 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_pso.oepc.i [2019-11-28 18:34:18,528 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:34:18,528 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:34:18,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:34:18,537 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:34:18,563 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,563 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,564 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,564 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,565 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,565 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,565 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,566 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,566 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,566 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,567 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,567 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,567 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,568 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,568 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:34:18,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:34:18,609 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:34:18,609 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:34:18,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:34:18,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:34:18,610 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:34:18,610 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:34:18,610 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:34:18,610 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:34:18,622 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 55 transitions [2019-11-28 18:34:18,624 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions [2019-11-28 18:34:18,665 INFO L134 PetriNetUnfolder]: 1/52 cut-off events. [2019-11-28 18:34:18,665 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:34:18,675 INFO L76 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 52 events. 1/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/59 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:34:18,678 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions [2019-11-28 18:34:18,697 INFO L134 PetriNetUnfolder]: 1/52 cut-off events. [2019-11-28 18:34:18,697 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:34:18,699 INFO L76 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 52 events. 1/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/59 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:34:18,701 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:34:18,702 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:34:19,866 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-11-28 18:34:19,929 INFO L206 etLargeBlockEncoding]: Checked pairs total: 425 [2019-11-28 18:34:19,929 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-11-28 18:34:19,933 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-11-28 18:34:19,944 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-11-28 18:34:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-11-28 18:34:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:34:19,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:19,954 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:19,954 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:19,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1086085239, now seen corresponding path program 1 times [2019-11-28 18:34:19,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:19,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894897602] [2019-11-28 18:34:19,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:20,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894897602] [2019-11-28 18:34:20,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:20,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:34:20,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394904156] [2019-11-28 18:34:20,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:20,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:20,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:20,315 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 4 states. [2019-11-28 18:34:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:20,383 INFO L93 Difference]: Finished difference Result 58 states and 113 transitions. [2019-11-28 18:34:20,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:20,385 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 18:34:20,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:20,396 INFO L225 Difference]: With dead ends: 58 [2019-11-28 18:34:20,397 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:34:20,398 INFO L630 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 [2019-11-28 18:34:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:34:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:34:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:34:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-11-28 18:34:20,437 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-11-28 18:34:20,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:20,437 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-11-28 18:34:20,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-28 18:34:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:34:20,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:20,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:20,439 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:20,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:20,440 INFO L82 PathProgramCache]: Analyzing trace with hash -744608244, now seen corresponding path program 1 times [2019-11-28 18:34:20,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:20,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060963475] [2019-11-28 18:34:20,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:20,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060963475] [2019-11-28 18:34:20,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:20,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:20,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559661525] [2019-11-28 18:34:20,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:34:20,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:20,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:34:20,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:34:20,563 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 5 states. [2019-11-28 18:34:20,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:20,620 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2019-11-28 18:34:20,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:34:20,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:34:20,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:20,622 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:34:20,622 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 18:34:20,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 18:34:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 18:34:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 18:34:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 18:34:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 50 transitions. [2019-11-28 18:34:20,629 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 50 transitions. Word has length 9 [2019-11-28 18:34:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:20,630 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 50 transitions. [2019-11-28 18:34:20,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:34:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-28 18:34:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:34:20,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:20,631 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:20,631 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1607968112, now seen corresponding path program 1 times [2019-11-28 18:34:20,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:20,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326195516] [2019-11-28 18:34:20,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:20,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326195516] [2019-11-28 18:34:20,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:20,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:20,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875748643] [2019-11-28 18:34:20,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:20,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:20,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:20,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:20,763 INFO L87 Difference]: Start difference. First operand 30 states and 50 transitions. Second operand 4 states. [2019-11-28 18:34:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:20,780 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions. [2019-11-28 18:34:20,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:20,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 18:34:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:20,781 INFO L225 Difference]: With dead ends: 35 [2019-11-28 18:34:20,781 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 18:34:20,782 INFO L630 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 [2019-11-28 18:34:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 18:34:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2019-11-28 18:34:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 18:34:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 47 transitions. [2019-11-28 18:34:20,787 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 47 transitions. Word has length 10 [2019-11-28 18:34:20,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:20,787 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 47 transitions. [2019-11-28 18:34:20,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2019-11-28 18:34:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:34:20,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:20,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:20,789 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:20,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:20,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1607961385, now seen corresponding path program 1 times [2019-11-28 18:34:20,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:20,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475653013] [2019-11-28 18:34:20,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:20,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475653013] [2019-11-28 18:34:20,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:20,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:34:20,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846753598] [2019-11-28 18:34:20,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:34:20,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:20,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:34:20,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:34:20,874 INFO L87 Difference]: Start difference. First operand 30 states and 47 transitions. Second operand 6 states. [2019-11-28 18:34:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:20,953 INFO L93 Difference]: Finished difference Result 28 states and 41 transitions. [2019-11-28 18:34:20,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:34:20,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:34:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:20,955 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:34:20,955 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 18:34:20,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-28 18:34:20,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 18:34:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 18:34:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 18:34:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-28 18:34:20,960 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2019-11-28 18:34:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:20,963 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 18:34:20,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:34:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-11-28 18:34:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:34:20,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:20,964 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:20,965 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1627425577, now seen corresponding path program 1 times [2019-11-28 18:34:20,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:20,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668911226] [2019-11-28 18:34:20,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:21,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668911226] [2019-11-28 18:34:21,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:21,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:21,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982133991] [2019-11-28 18:34:21,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:21,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:21,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:21,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:21,059 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 4 states. [2019-11-28 18:34:21,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:21,086 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-11-28 18:34:21,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:21,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:34:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:21,087 INFO L225 Difference]: With dead ends: 19 [2019-11-28 18:34:21,087 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 18:34:21,088 INFO L630 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 [2019-11-28 18:34:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 18:34:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-28 18:34:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 18:34:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-28 18:34:21,091 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2019-11-28 18:34:21,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:21,092 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-28 18:34:21,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-28 18:34:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:34:21,093 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:34:21,093 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:34:21,094 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:34:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:34:21,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1627540897, now seen corresponding path program 2 times [2019-11-28 18:34:21,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:34:21,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485528339] [2019-11-28 18:34:21,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:34:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:34:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:34:21,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485528339] [2019-11-28 18:34:21,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:34:21,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:34:21,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458893064] [2019-11-28 18:34:21,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:34:21,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:34:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:34:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:34:21,175 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2019-11-28 18:34:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:34:21,210 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-11-28 18:34:21,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:34:21,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:34:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:34:21,210 INFO L225 Difference]: With dead ends: 14 [2019-11-28 18:34:21,211 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:34:21,211 INFO L630 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 [2019-11-28 18:34:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:34:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:34:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:34:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:34:21,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:34:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:34:21,215 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:34:21,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:34:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:34:21,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:34:21,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:34:21 BasicIcfg [2019-11-28 18:34:21,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:34:21,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:34:21,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:34:21,221 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:34:21,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:34:18" (3/4) ... [2019-11-28 18:34:21,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:34:21,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:34:21,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:34:21,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:34:21,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:34:21,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:34:21,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:34:21,306 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:34:21,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:34:21,308 INFO L168 Benchmark]: Toolchain (without parser) took 3982.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.3 MB in the beginning and 770.8 MB in the end (delta: 185.5 MB). Peak memory consumption was 272.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:21,308 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:21,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -97.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:21,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:21,310 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:21,310 INFO L168 Benchmark]: RCFGBuilder took 462.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:21,311 INFO L168 Benchmark]: TraceAbstraction took 2709.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 770.8 MB in the end (delta: 257.4 MB). Peak memory consumption was 257.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:34:21,311 INFO L168 Benchmark]: Witness Printer took 85.24 ms. Allocated memory is still 1.1 GB. Free memory is still 770.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:34:21,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 630.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -97.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 462.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2709.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 770.8 MB in the end (delta: 257.4 MB). Peak memory consumption was 257.4 MB. Max. memory is 11.5 GB. * Witness Printer took 85.24 ms. Allocated memory is still 1.1 GB. Free memory is still 770.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 64 ProgramPointsBefore, 22 ProgramPointsAfterwards, 55 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 236 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 10 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 425 CheckedPairsTotal, 45 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 55 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 68 SDslu, 76 SDs, 0 SdLazy, 63 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...