./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe025_pso.opt.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/safe025_pso.opt.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 abb05aee2137443f896173abc10c8417548e4b1b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:31:36,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:31:36,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:31:36,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:31:36,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:31:36,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:31:36,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:31:36,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:31:36,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:31:36,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:31:36,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:31:36,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:31:36,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:31:36,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:31:36,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:31:36,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:31:36,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:31:36,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:31:36,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:31:36,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:31:36,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:31:36,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:31:36,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:31:36,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:31:36,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:31:36,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:31:36,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:31:36,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:31:36,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:31:36,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:31:36,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:31:36,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:31:36,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:31:36,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:31:36,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:31:36,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:31:36,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:31:36,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:31:36,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:31:36,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:31:36,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:31:36,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:31:36,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:31:36,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:31:36,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:31:36,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:31:36,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:31:36,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:31:36,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:31:36,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:31:36,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:31:36,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:31:36,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:31:36,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:31:36,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:31:36,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:31:36,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:31:36,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:31:36,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:31:36,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:31:36,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:31:36,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:31:36,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:31:36,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:31:36,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:31:36,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:31:36,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:31:36,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:31:36,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:31:36,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:31:36,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:31:36,632 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 -> abb05aee2137443f896173abc10c8417548e4b1b [2019-11-28 18:31:36,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:31:36,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:31:36,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:31:36,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:31:36,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:31:36,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe025_pso.opt.i [2019-11-28 18:31:37,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca452f6a6/acb59b4d41004398b21fbb60ed910010/FLAGe2ece75c3 [2019-11-28 18:31:37,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:31:37,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe025_pso.opt.i [2019-11-28 18:31:37,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca452f6a6/acb59b4d41004398b21fbb60ed910010/FLAGe2ece75c3 [2019-11-28 18:31:37,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca452f6a6/acb59b4d41004398b21fbb60ed910010 [2019-11-28 18:31:37,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:31:37,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:31:37,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:37,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:31:37,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:31:37,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:37" (1/1) ... [2019-11-28 18:31:37,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79630ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:37, skipping insertion in model container [2019-11-28 18:31:37,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:31:37" (1/1) ... [2019-11-28 18:31:37,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:31:37,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:31:38,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:38,463 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:31:38,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:31:38,616 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:31:38,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38 WrapperNode [2019-11-28 18:31:38,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:31:38,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:38,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:31:38,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:31:38,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:31:38,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:31:38,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:31:38,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:31:38,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (1/1) ... [2019-11-28 18:31:38,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:31:38,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:31:38,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:31:38,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:31:38,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (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 18:31:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:31:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:31:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:31:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:31:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:31:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:31:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:31:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:31:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:31:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:31:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:31:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:31:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:31:38,771 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 18:31:39,126 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:31:39,127 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:31:39,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:39 BoogieIcfgContainer [2019-11-28 18:31:39,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:31:39,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:31:39,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:31:39,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:31:39,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:31:37" (1/3) ... [2019-11-28 18:31:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317b1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:39, skipping insertion in model container [2019-11-28 18:31:39,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:31:38" (2/3) ... [2019-11-28 18:31:39,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317b1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:31:39, skipping insertion in model container [2019-11-28 18:31:39,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:39" (3/3) ... [2019-11-28 18:31:39,138 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_pso.opt.i [2019-11-28 18:31:39,148 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:31:39,149 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:31:39,156 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:31:39,157 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:31:39,198 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,199 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,200 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,201 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,201 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,202 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,202 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,203 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,203 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,203 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,205 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,206 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,206 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,207 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,207 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:31:39,225 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:31:39,244 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:31:39,245 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:31:39,245 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:31:39,245 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:31:39,246 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:31:39,246 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:31:39,246 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:31:39,247 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:31:39,261 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-11-28 18:31:39,264 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:31:39,308 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:31:39,308 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:39,315 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:39,319 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:31:39,343 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:31:39,345 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:31:39,347 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:31:39,349 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:31:39,350 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:31:40,549 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-28 18:31:40,688 INFO L206 etLargeBlockEncoding]: Checked pairs total: 467 [2019-11-28 18:31:40,688 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-11-28 18:31:40,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:31:40,704 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:31:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:31:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:31:40,714 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:40,715 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:40,715 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:40,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:40,722 INFO L82 PathProgramCache]: Analyzing trace with hash -53140901, now seen corresponding path program 1 times [2019-11-28 18:31:40,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:40,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856199899] [2019-11-28 18:31:40,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,042 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 18:31:41,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856199899] [2019-11-28 18:31:41,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:31:41,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861117477] [2019-11-28 18:31:41,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:31:41,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:31:41,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:31:41,077 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-11-28 18:31:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:41,126 INFO L93 Difference]: Finished difference Result 61 states and 110 transitions. [2019-11-28 18:31:41,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:31:41,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:31:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:41,160 INFO L225 Difference]: With dead ends: 61 [2019-11-28 18:31:41,163 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 18:31:41,168 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 18:31:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 18:31:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2019-11-28 18:31:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 18:31:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 75 transitions. [2019-11-28 18:31:41,212 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 75 transitions. Word has length 8 [2019-11-28 18:31:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:41,213 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 75 transitions. [2019-11-28 18:31:41,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:31:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2019-11-28 18:31:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:31:41,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:41,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:41,215 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:41,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1649012318, now seen corresponding path program 1 times [2019-11-28 18:31:41,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:41,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374951902] [2019-11-28 18:31:41,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,395 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 18:31:41,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374951902] [2019-11-28 18:31:41,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:41,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243615041] [2019-11-28 18:31:41,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:31:41,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:31:41,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:31:41,406 INFO L87 Difference]: Start difference. First operand 42 states and 75 transitions. Second operand 5 states. [2019-11-28 18:31:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:41,481 INFO L93 Difference]: Finished difference Result 46 states and 73 transitions. [2019-11-28 18:31:41,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:31:41,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:31:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:41,484 INFO L225 Difference]: With dead ends: 46 [2019-11-28 18:31:41,484 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:31:41,487 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 18:31:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:31:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:31:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:31:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 56 transitions. [2019-11-28 18:31:41,496 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 56 transitions. Word has length 9 [2019-11-28 18:31:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:41,496 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 56 transitions. [2019-11-28 18:31:41,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:31:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2019-11-28 18:31:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:41,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:41,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:41,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:41,499 INFO L82 PathProgramCache]: Analyzing trace with hash 443642582, now seen corresponding path program 1 times [2019-11-28 18:31:41,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:41,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628877094] [2019-11-28 18:31:41,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,570 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 18:31:41,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628877094] [2019-11-28 18:31:41,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:31:41,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850230443] [2019-11-28 18:31:41,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:31:41,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:31:41,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:31:41,574 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 3 states. [2019-11-28 18:31:41,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:41,581 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions. [2019-11-28 18:31:41,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:31:41,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 18:31:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:41,582 INFO L225 Difference]: With dead ends: 35 [2019-11-28 18:31:41,583 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 18:31:41,583 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 18:31:41,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 18:31:41,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2019-11-28 18:31:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 18:31:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 49 transitions. [2019-11-28 18:31:41,588 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 49 transitions. Word has length 10 [2019-11-28 18:31:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:41,588 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 49 transitions. [2019-11-28 18:31:41,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:31:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2019-11-28 18:31:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:31:41,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:41,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:41,590 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:41,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:41,590 INFO L82 PathProgramCache]: Analyzing trace with hash 445376226, now seen corresponding path program 1 times [2019-11-28 18:31:41,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:41,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883456409] [2019-11-28 18:31:41,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,705 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 18:31:41,705 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883456409] [2019-11-28 18:31:41,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:31:41,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419900906] [2019-11-28 18:31:41,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:31:41,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:31:41,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:31:41,707 INFO L87 Difference]: Start difference. First operand 31 states and 49 transitions. Second operand 6 states. [2019-11-28 18:31:41,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:41,808 INFO L93 Difference]: Finished difference Result 30 states and 45 transitions. [2019-11-28 18:31:41,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:31:41,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:31:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:41,810 INFO L225 Difference]: With dead ends: 30 [2019-11-28 18:31:41,810 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:31:41,810 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 18:31:41,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:31:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-11-28 18:31:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 18:31:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2019-11-28 18:31:41,819 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 35 transitions. Word has length 10 [2019-11-28 18:31:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:41,820 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 35 transitions. [2019-11-28 18:31:41,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:31:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2019-11-28 18:31:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:31:41,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:41,822 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:41,822 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:41,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:41,822 INFO L82 PathProgramCache]: Analyzing trace with hash 868107411, now seen corresponding path program 1 times [2019-11-28 18:31:41,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:41,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778377600] [2019-11-28 18:31:41,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,906 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 18:31:41,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778377600] [2019-11-28 18:31:41,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:31:41,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245818015] [2019-11-28 18:31:41,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:41,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:41,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:41,908 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. Second operand 4 states. [2019-11-28 18:31:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:41,931 INFO L93 Difference]: Finished difference Result 26 states and 37 transitions. [2019-11-28 18:31:41,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:41,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:31:41,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:41,933 INFO L225 Difference]: With dead ends: 26 [2019-11-28 18:31:41,933 INFO L226 Difference]: Without dead ends: 12 [2019-11-28 18:31:41,933 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 18:31:41,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-28 18:31:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 18:31:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 18:31:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-28 18:31:41,936 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2019-11-28 18:31:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:41,936 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-28 18:31:41,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-28 18:31:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:31:41,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:31:41,937 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:31:41,938 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:31:41,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:31:41,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1810889517, now seen corresponding path program 2 times [2019-11-28 18:31:41,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:31:41,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863789440] [2019-11-28 18:31:41,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:31:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:31:41,989 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 18:31:41,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863789440] [2019-11-28 18:31:41,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:31:41,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:31:41,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127877490] [2019-11-28 18:31:41,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:31:41,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:31:41,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:31:41,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:31:41,992 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 4 states. [2019-11-28 18:31:42,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:31:42,009 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-28 18:31:42,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:31:42,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:31:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:31:42,010 INFO L225 Difference]: With dead ends: 11 [2019-11-28 18:31:42,011 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:31:42,011 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 18:31:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:31:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:31:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:31:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:31:42,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:31:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:31:42,013 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:31:42,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:31:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:31:42,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:31:42,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:31:42 BasicIcfg [2019-11-28 18:31:42,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:31:42,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:31:42,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:31:42,019 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:31:42,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:31:39" (3/4) ... [2019-11-28 18:31:42,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:31:42,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:31:42,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:31:42,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:31:42,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:31:42,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:31:42,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:31:42,092 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:31:42,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:31:42,094 INFO L168 Benchmark]: Toolchain (without parser) took 4231.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.7 MB in the beginning and 801.4 MB in the end (delta: 156.3 MB). Peak memory consumption was 270.1 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:42,095 INFO L168 Benchmark]: CDTParser took 0.36 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 18:31:42,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:42,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:42,097 INFO L168 Benchmark]: Boogie Preprocessor took 29.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:42,097 INFO L168 Benchmark]: RCFGBuilder took 428.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:42,098 INFO L168 Benchmark]: TraceAbstraction took 2888.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 801.4 MB in the end (delta: 252.2 MB). Peak memory consumption was 252.2 MB. Max. memory is 11.5 GB. [2019-11-28 18:31:42,098 INFO L168 Benchmark]: Witness Printer took 73.95 ms. Allocated memory is still 1.1 GB. Free memory is still 801.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:31:42,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 752.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 428.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2888.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 801.4 MB in the end (delta: 252.2 MB). Peak memory consumption was 252.2 MB. Max. memory is 11.5 GB. * Witness Printer took 73.95 ms. Allocated memory is still 1.1 GB. Free memory is still 801.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 63 ProgramPointsBefore, 21 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 230 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 467 CheckedPairsTotal, 44 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 55 SDslu, 46 SDs, 0 SdLazy, 48 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 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, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 2187 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...