./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe026_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/safe026_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 129ce07aaaf72d43feda4e85ee0279cc31551c1d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:31:44,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:31:44,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:31:44,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:31:44,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:31:44,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:31:44,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:31:44,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:31:44,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:31:44,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:31:44,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:31:44,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:31:44,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:31:44,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:31:44,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:31:44,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:31:44,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:31:44,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:31:44,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:31:44,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:31:44,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:31:44,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:31:44,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:31:44,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:31:44,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:31:44,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:31:44,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:31:44,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:31:44,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:31:44,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:31:44,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:31:44,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:31:44,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:31:44,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:31:44,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:31:44,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:31:44,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:31:44,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:31:44,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:31:44,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:31:44,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:31:44,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:31:44,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:31:44,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:31:44,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:31:44,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:31:44,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:31:44,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:31:44,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:31:44,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:31:44,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:31:44,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:31:44,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:31:44,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:31:44,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:31:44,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:31:44,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:31:44,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:31:44,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:31:44,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:31:44,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:31:44,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:31:44,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:31:44,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:31:44,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:31:44,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:31:44,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:31:44,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:31:44,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:31:44,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:31:44,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:31:44,560 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 -> 129ce07aaaf72d43feda4e85ee0279cc31551c1d [2019-11-28 18:31:44,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:31:44,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:31:44,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:31:44,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:31:44,896 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:31:44,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2019-11-28 18:31:44,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6016aa2b/dac8856e496c492f9991a989810406e5/FLAG09b707346 [2019-11-28 18:31:45,527 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:31:45,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2019-11-28 18:31:45,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6016aa2b/dac8856e496c492f9991a989810406e5/FLAG09b707346 [2019-11-28 18:31:45,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6016aa2b/dac8856e496c492f9991a989810406e5 [2019-11-28 18:31:45,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:31:45,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:31:45,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:45,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:31:45,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:31:45,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:45" (1/1) ... [2019-11-28 18:31:45,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e8d3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:45, skipping insertion in model container [2019-11-28 18:31:45,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:45" (1/1) ... [2019-11-28 18:31:45,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:31:45,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:31:46,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:46,432 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:31:46,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:46,597 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:31:46,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46 WrapperNode [2019-11-28 18:31:46,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:46,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:46,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:31:46,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:31:46,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:46,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:31:46,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:31:46,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:31:46,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (1/1) ... [2019-11-28 18:31:46,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:31:46,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:31:46,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:31:46,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:31:46,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (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 18:31:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:31:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:31:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:31:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:31:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:31:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:31:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:31:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:31:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:31:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:31:46,740 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 18:31:47,141 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:31:47,141 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:31:47,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:47 BoogieIcfgContainer [2019-11-28 18:31:47,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:31:47,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:31:47,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:31:47,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:31:47,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:31:45" (1/3) ... [2019-11-28 18:31:47,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140f5062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:47, skipping insertion in model container [2019-11-28 18:31:47,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:46" (2/3) ... [2019-11-28 18:31:47,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140f5062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:47, skipping insertion in model container [2019-11-28 18:31:47,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:47" (3/3) ... [2019-11-28 18:31:47,151 INFO L109 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2019-11-28 18:31:47,161 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:31:47,161 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:31:47,169 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:31:47,170 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:31:47,203 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,203 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,204 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,204 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,204 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,205 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,206 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,206 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,206 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,206 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,207 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,207 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:47,231 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:31:47,247 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:31:47,247 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:31:47,248 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:31:47,248 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:31:47,248 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:31:47,248 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:31:47,248 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:31:47,249 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:31:47,262 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-11-28 18:31:47,264 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:31:47,308 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:31:47,308 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:47,315 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 25 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:47,319 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:31:47,336 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:31:47,336 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:47,338 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 25 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:47,340 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:31:47,341 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:31:48,703 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-28 18:31:48,778 INFO L206 etLargeBlockEncoding]: Checked pairs total: 489 [2019-11-28 18:31:48,778 INFO L214 etLargeBlockEncoding]: Total number of compositions: 43 [2019-11-28 18:31:48,782 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:31:48,793 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:31:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:31:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:31:48,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:48,804 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:48,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:48,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:48,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1221233282, now seen corresponding path program 1 times [2019-11-28 18:31:48,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:48,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130167235] [2019-11-28 18:31:48,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:49,158 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 18:31:49,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130167235] [2019-11-28 18:31:49,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:49,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:31:49,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559060557] [2019-11-28 18:31:49,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:49,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:49,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:49,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:49,192 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2019-11-28 18:31:49,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:49,264 INFO L93 Difference]: Finished difference Result 51 states and 97 transitions. [2019-11-28 18:31:49,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:49,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 18:31:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:49,294 INFO L225 Difference]: With dead ends: 51 [2019-11-28 18:31:49,295 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:31:49,296 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 18:31:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:31:49,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:31:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:31:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-11-28 18:31:49,336 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-11-28 18:31:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:49,337 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-11-28 18:31:49,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-28 18:31:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:31:49,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:49,338 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:49,339 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:49,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:49,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1892083571, now seen corresponding path program 1 times [2019-11-28 18:31:49,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:49,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681382430] [2019-11-28 18:31:49,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:49,485 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 18:31:49,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681382430] [2019-11-28 18:31:49,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:49,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:31:49,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995267279] [2019-11-28 18:31:49,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:49,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:49,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:49,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:49,489 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 4 states. [2019-11-28 18:31:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:49,510 INFO L93 Difference]: Finished difference Result 39 states and 65 transitions. [2019-11-28 18:31:49,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:49,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 18:31:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:49,511 INFO L225 Difference]: With dead ends: 39 [2019-11-28 18:31:49,511 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 18:31:49,512 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 18:31:49,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 18:31:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2019-11-28 18:31:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 18:31:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 61 transitions. [2019-11-28 18:31:49,519 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 61 transitions. Word has length 9 [2019-11-28 18:31:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:49,520 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 61 transitions. [2019-11-28 18:31:49,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2019-11-28 18:31:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:31:49,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:49,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:49,521 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:49,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:49,522 INFO L82 PathProgramCache]: Analyzing trace with hash 796554714, now seen corresponding path program 1 times [2019-11-28 18:31:49,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:49,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869360797] [2019-11-28 18:31:49,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:49,617 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 18:31:49,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869360797] [2019-11-28 18:31:49,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:49,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:31:49,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144686920] [2019-11-28 18:31:49,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:49,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:49,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:49,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:49,620 INFO L87 Difference]: Start difference. First operand 35 states and 61 transitions. Second operand 4 states. [2019-11-28 18:31:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:49,644 INFO L93 Difference]: Finished difference Result 39 states and 63 transitions. [2019-11-28 18:31:49,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:49,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 18:31:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:49,645 INFO L225 Difference]: With dead ends: 39 [2019-11-28 18:31:49,646 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 18:31:49,646 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 18:31:49,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 18:31:49,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2019-11-28 18:31:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 18:31:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 58 transitions. [2019-11-28 18:31:49,652 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 58 transitions. Word has length 9 [2019-11-28 18:31:49,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:49,652 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 58 transitions. [2019-11-28 18:31:49,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2019-11-28 18:31:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:49,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:49,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:49,654 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:49,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:49,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1474951325, now seen corresponding path program 1 times [2019-11-28 18:31:49,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:49,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661105795] [2019-11-28 18:31:49,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:49,809 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 18:31:49,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661105795] [2019-11-28 18:31:49,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:49,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:31:49,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378232373] [2019-11-28 18:31:49,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:31:49,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:49,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:31:49,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:31:49,815 INFO L87 Difference]: Start difference. First operand 34 states and 58 transitions. Second operand 6 states. [2019-11-28 18:31:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:49,898 INFO L93 Difference]: Finished difference Result 33 states and 54 transitions. [2019-11-28 18:31:49,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:31:49,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:31:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:49,899 INFO L225 Difference]: With dead ends: 33 [2019-11-28 18:31:49,899 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:31:49,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-28 18:31:49,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:31:49,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-11-28 18:31:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 18:31:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2019-11-28 18:31:49,907 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 35 transitions. Word has length 10 [2019-11-28 18:31:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:49,908 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 35 transitions. [2019-11-28 18:31:49,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:31:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2019-11-28 18:31:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:31:49,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:49,909 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:49,910 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:49,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1518589970, now seen corresponding path program 1 times [2019-11-28 18:31:49,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:49,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749085699] [2019-11-28 18:31:49,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:50,003 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 18:31:50,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749085699] [2019-11-28 18:31:50,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:50,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:50,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293544986] [2019-11-28 18:31:50,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:50,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:50,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:50,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:50,006 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. Second operand 4 states. [2019-11-28 18:31:50,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:50,035 INFO L93 Difference]: Finished difference Result 26 states and 37 transitions. [2019-11-28 18:31:50,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:50,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:31:50,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:50,037 INFO L225 Difference]: With dead ends: 26 [2019-11-28 18:31:50,037 INFO L226 Difference]: Without dead ends: 12 [2019-11-28 18:31:50,037 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 18:31:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-28 18:31:50,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 18:31:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 18:31:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-28 18:31:50,042 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2019-11-28 18:31:50,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:50,043 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-28 18:31:50,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-28 18:31:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:31:50,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:50,047 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:50,047 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:50,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:50,047 INFO L82 PathProgramCache]: Analyzing trace with hash 987396476, now seen corresponding path program 2 times [2019-11-28 18:31:50,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:50,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181133704] [2019-11-28 18:31:50,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:50,161 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 18:31:50,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181133704] [2019-11-28 18:31:50,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:50,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:50,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085968602] [2019-11-28 18:31:50,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:31:50,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:50,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:31:50,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:31:50,164 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 5 states. [2019-11-28 18:31:50,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:50,186 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-28 18:31:50,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:50,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:31:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:50,188 INFO L225 Difference]: With dead ends: 11 [2019-11-28 18:31:50,188 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:31:50,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:31:50,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:31:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:31:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:31:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:31:50,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:31:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:50,212 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:31:50,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:31:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:31:50,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:31:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:31:50 BasicIcfg [2019-11-28 18:31:50,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:31:50,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:31:50,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:31:50,218 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:31:50,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:47" (3/4) ... [2019-11-28 18:31:50,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:31:50,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:31:50,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:31:50,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:31:50,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:31:50,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:31:50,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:31:50,298 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:31:50,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:31:50,300 INFO L168 Benchmark]: Toolchain (without parser) took 4446.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -236.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:50,300 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:50,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:50,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:50,302 INFO L168 Benchmark]: Boogie Preprocessor took 26.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:50,302 INFO L168 Benchmark]: RCFGBuilder took 468.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:50,303 INFO L168 Benchmark]: TraceAbstraction took 3073.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.7 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:50,304 INFO L168 Benchmark]: Witness Printer took 80.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:50,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 743.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 468.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3073.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.7 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. * Witness Printer took 80.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 62 ProgramPointsBefore, 21 ProgramPointsAfterwards, 53 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 210 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 17 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 489 CheckedPairsTotal, 43 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: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 59 SDslu, 51 SDs, 0 SdLazy, 52 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 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, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 2347 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...