./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_tso.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/safe020_tso.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 ec73bdee1d09c2e7cdd65a35402449eef47dc60a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:30:00,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:30:00,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:30:00,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:30:00,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:30:00,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:30:00,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:30:00,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:30:00,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:30:00,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:30:00,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:30:00,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:30:00,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:30:00,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:30:00,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:30:00,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:30:00,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:30:00,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:30:00,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:30:00,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:30:00,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:30:00,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:30:00,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:30:00,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:30:00,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:30:00,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:30:00,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:30:00,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:30:00,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:30:00,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:30:00,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:30:00,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:30:00,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:30:00,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:30:00,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:30:00,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:30:00,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:30:00,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:30:00,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:30:00,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:30:00,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:30:00,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:30:00,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:30:00,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:30:00,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:30:00,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:30:00,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:30:00,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:30:00,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:30:00,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:30:00,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:30:00,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:30:00,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:30:00,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:30:00,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:30:00,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:30:00,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:30:00,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:30:00,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:30:00,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:30:00,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:30:00,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:30:00,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:30:00,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:30:00,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:30:00,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:30:00,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:30:00,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:30:00,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:30:00,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:30:00,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:30:00,843 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 -> ec73bdee1d09c2e7cdd65a35402449eef47dc60a [2019-11-28 18:30:01,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:30:01,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:30:01,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:30:01,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:30:01,202 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:30:01,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_tso.oepc.i [2019-11-28 18:30:01,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00036972/a69ae7d74cf14a62b5c39aadddf7d1d7/FLAG4b217ef7b [2019-11-28 18:30:01,800 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:30:01,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_tso.oepc.i [2019-11-28 18:30:01,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00036972/a69ae7d74cf14a62b5c39aadddf7d1d7/FLAG4b217ef7b [2019-11-28 18:30:02,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00036972/a69ae7d74cf14a62b5c39aadddf7d1d7 [2019-11-28 18:30:02,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:30:02,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:30:02,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:30:02,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:30:02,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:30:02,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aed937a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02, skipping insertion in model container [2019-11-28 18:30:02,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:30:02,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:30:02,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:30:02,598 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:30:02,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:30:02,810 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:30:02,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02 WrapperNode [2019-11-28 18:30:02,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:30:02,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:30:02,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:30:02,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:30:02,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:30:02,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:30:02,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:30:02,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:30:02,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (1/1) ... [2019-11-28 18:30:02,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:30:02,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:30:02,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:30:02,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:30:02,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (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 18:30:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:30:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:30:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:30:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:30:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:30:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:30:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:30:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:30:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:30:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:30:03,022 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 18:30:03,396 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:30:03,396 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:30:03,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:30:03 BoogieIcfgContainer [2019-11-28 18:30:03,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:30:03,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:30:03,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:30:03,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:30:03,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:30:02" (1/3) ... [2019-11-28 18:30:03,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8ed2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:30:03, skipping insertion in model container [2019-11-28 18:30:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:30:02" (2/3) ... [2019-11-28 18:30:03,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8ed2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:30:03, skipping insertion in model container [2019-11-28 18:30:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:30:03" (3/3) ... [2019-11-28 18:30:03,407 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i [2019-11-28 18:30:03,417 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:30:03,418 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:30:03,424 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:30:03,426 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:30:03,454 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,455 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,455 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,455 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,456 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,456 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,456 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,458 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,458 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,459 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,459 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,459 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,460 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,460 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,460 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,460 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,461 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,461 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:30:03,483 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:30:03,499 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:30:03,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:30:03,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:30:03,500 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:30:03,500 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:30:03,500 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:30:03,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:30:03,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:30:03,513 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-11-28 18:30:03,515 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:30:03,554 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:30:03,554 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:30:03,561 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:30:03,566 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:30:03,584 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:30:03,584 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:30:03,586 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:30:03,588 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:30:03,589 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:30:05,117 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-28 18:30:05,279 INFO L206 etLargeBlockEncoding]: Checked pairs total: 479 [2019-11-28 18:30:05,280 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-11-28 18:30:05,286 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:30:05,303 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:30:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:30:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:30:05,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:05,316 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:05,316 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:05,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:05,324 INFO L82 PathProgramCache]: Analyzing trace with hash 492740166, now seen corresponding path program 1 times [2019-11-28 18:30:05,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:05,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920377935] [2019-11-28 18:30:05,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:05,734 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 18:30:05,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920377935] [2019-11-28 18:30:05,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:05,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:30:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570086351] [2019-11-28 18:30:05,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:30:05,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:05,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:30:05,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:30:05,765 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-11-28 18:30:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:05,798 INFO L93 Difference]: Finished difference Result 52 states and 95 transitions. [2019-11-28 18:30:05,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:30:05,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:30:05,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:05,811 INFO L225 Difference]: With dead ends: 52 [2019-11-28 18:30:05,811 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:30:05,813 INFO L630 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 [2019-11-28 18:30:05,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:30:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2019-11-28 18:30:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 18:30:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 60 transitions. [2019-11-28 18:30:05,848 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 60 transitions. Word has length 8 [2019-11-28 18:30:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:05,850 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 60 transitions. [2019-11-28 18:30:05,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:30:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2019-11-28 18:30:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:30:05,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:05,852 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:05,852 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:05,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:05,853 INFO L82 PathProgramCache]: Analyzing trace with hash 709143484, now seen corresponding path program 1 times [2019-11-28 18:30:05,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:05,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510864088] [2019-11-28 18:30:05,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:05,967 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 18:30:05,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510864088] [2019-11-28 18:30:05,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:05,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:30:05,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161466728] [2019-11-28 18:30:05,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:30:05,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:05,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:30:05,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:30:05,973 INFO L87 Difference]: Start difference. First operand 34 states and 60 transitions. Second operand 5 states. [2019-11-28 18:30:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:06,034 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-11-28 18:30:06,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:30:06,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:30:06,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:06,036 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:30:06,036 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 18:30:06,037 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 18:30:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 18:30:06,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 18:30:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 18:30:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2019-11-28 18:30:06,042 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 45 transitions. Word has length 9 [2019-11-28 18:30:06,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:06,043 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 45 transitions. [2019-11-28 18:30:06,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:30:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2019-11-28 18:30:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:30:06,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:06,044 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:06,044 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:06,045 INFO L82 PathProgramCache]: Analyzing trace with hash 520462639, now seen corresponding path program 1 times [2019-11-28 18:30:06,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:06,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538512052] [2019-11-28 18:30:06,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:06,128 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 18:30:06,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538512052] [2019-11-28 18:30:06,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:06,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:30:06,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4094132] [2019-11-28 18:30:06,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:30:06,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:06,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:30:06,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:30:06,130 INFO L87 Difference]: Start difference. First operand 29 states and 45 transitions. Second operand 4 states. [2019-11-28 18:30:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:06,144 INFO L93 Difference]: Finished difference Result 28 states and 43 transitions. [2019-11-28 18:30:06,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:30:06,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 18:30:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:06,145 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:30:06,145 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 18:30:06,146 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:30:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 18:30:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 18:30:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 18:30:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-11-28 18:30:06,149 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 10 [2019-11-28 18:30:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:06,150 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-28 18:30:06,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:30:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-28 18:30:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:30:06,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:06,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:06,151 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:06,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:06,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1078655690, now seen corresponding path program 1 times [2019-11-28 18:30:06,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:06,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547834663] [2019-11-28 18:30:06,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:06,259 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 18:30:06,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547834663] [2019-11-28 18:30:06,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:06,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:30:06,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491414501] [2019-11-28 18:30:06,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:30:06,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:06,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:30:06,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:30:06,263 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 6 states. [2019-11-28 18:30:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:06,364 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-11-28 18:30:06,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:30:06,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:30:06,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:06,366 INFO L225 Difference]: With dead ends: 19 [2019-11-28 18:30:06,366 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 18:30:06,367 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 18:30:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 18:30:06,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 18:30:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 18:30:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-28 18:30:06,372 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2019-11-28 18:30:06,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:06,372 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 18:30:06,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:30:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-11-28 18:30:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:30:06,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:06,375 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:06,375 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:06,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:06,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1824813225, now seen corresponding path program 1 times [2019-11-28 18:30:06,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:06,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258777638] [2019-11-28 18:30:06,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:06,456 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 18:30:06,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258777638] [2019-11-28 18:30:06,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:06,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:30:06,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042780886] [2019-11-28 18:30:06,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:30:06,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:06,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:30:06,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:30:06,458 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 4 states. [2019-11-28 18:30:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:06,487 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-28 18:30:06,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:30:06,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:30:06,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:06,489 INFO L225 Difference]: With dead ends: 18 [2019-11-28 18:30:06,489 INFO L226 Difference]: Without dead ends: 12 [2019-11-28 18:30:06,490 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 18:30:06,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-28 18:30:06,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 18:30:06,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 18:30:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-28 18:30:06,493 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2019-11-28 18:30:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:06,493 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-28 18:30:06,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:30:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-28 18:30:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:30:06,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:30:06,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:30:06,494 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:30:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:30:06,495 INFO L82 PathProgramCache]: Analyzing trace with hash -921352333, now seen corresponding path program 2 times [2019-11-28 18:30:06,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:30:06,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947520272] [2019-11-28 18:30:06,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:30:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:30:06,544 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 18:30:06,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947520272] [2019-11-28 18:30:06,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:30:06,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:30:06,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189540610] [2019-11-28 18:30:06,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:30:06,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:30:06,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:30:06,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:30:06,547 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 4 states. [2019-11-28 18:30:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:30:06,564 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-28 18:30:06,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:30:06,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:30:06,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:30:06,565 INFO L225 Difference]: With dead ends: 11 [2019-11-28 18:30:06,565 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:30:06,566 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 18:30:06,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:30:06,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:30:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:30:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:30:06,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:30:06,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:30:06,567 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:30:06,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:30:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:30:06,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:30:06,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:30:06 BasicIcfg [2019-11-28 18:30:06,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:30:06,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:30:06,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:30:06,573 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:30:06,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:30:03" (3/4) ... [2019-11-28 18:30:06,577 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:30:06,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:30:06,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:30:06,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:30:06,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:30:06,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:30:06,591 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:30:06,640 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:30:06,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:30:06,642 INFO L168 Benchmark]: Toolchain (without parser) took 4537.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 744.0 MB in the end (delta: 212.4 MB). Peak memory consumption was 285.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:30:06,643 INFO L168 Benchmark]: CDTParser took 0.28 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 18:30:06,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -75.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:30:06,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:30:06,644 INFO L168 Benchmark]: Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:30:06,645 INFO L168 Benchmark]: RCFGBuilder took 451.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 18:30:06,646 INFO L168 Benchmark]: TraceAbstraction took 3172.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 751.0 MB in the end (delta: 254.5 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:30:06,646 INFO L168 Benchmark]: Witness Printer took 67.70 ms. Allocated memory is still 1.1 GB. Free memory was 751.0 MB in the beginning and 744.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:30:06,650 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 707.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -75.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3172.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 751.0 MB in the end (delta: 254.5 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. * Witness Printer took 67.70 ms. Allocated memory is still 1.1 GB. Free memory was 751.0 MB in the beginning and 744.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 62 ProgramPointsBefore, 21 ProgramPointsAfterwards, 53 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 244 VarBasedMoverChecksPositive, 16 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 15 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 479 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, 53 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 52 SDslu, 43 SDs, 0 SdLazy, 50 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 1 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, 2601 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...