./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe008_tso.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/safe008_tso.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 0564d476225c5df67b220d9e93a629665962cafa .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:27:05,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:27:05,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:27:05,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:27:05,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:27:05,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:27:05,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:27:05,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:27:05,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:27:05,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:27:05,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:27:05,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:27:05,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:27:05,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:27:05,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:27:05,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:27:05,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:27:05,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:27:05,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:27:05,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:27:05,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:27:05,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:27:05,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:27:05,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:27:05,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:27:05,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:27:05,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:27:05,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:27:05,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:27:05,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:27:05,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:27:05,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:27:05,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:27:05,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:27:05,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:27:05,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:27:05,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:27:05,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:27:05,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:27:05,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:27:05,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:27:05,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:27:05,192 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:27:05,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:27:05,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:27:05,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:27:05,195 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:27:05,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:27:05,196 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:27:05,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:27:05,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:27:05,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:27:05,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:27:05,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:27:05,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:27:05,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:27:05,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:27:05,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:27:05,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:27:05,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:27:05,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:27:05,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:27:05,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:27:05,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:27:05,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:27:05,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:27:05,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:27:05,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:27:05,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:27:05,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:27:05,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:27:05,203 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 -> 0564d476225c5df67b220d9e93a629665962cafa [2019-11-28 18:27:05,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:27:05,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:27:05,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:27:05,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:27:05,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:27:05,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i [2019-11-28 18:27:05,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df19c7b1f/f97530cc6520447380b45be92292614b/FLAG0da627a90 [2019-11-28 18:27:06,252 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:27:06,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i [2019-11-28 18:27:06,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df19c7b1f/f97530cc6520447380b45be92292614b/FLAG0da627a90 [2019-11-28 18:27:06,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df19c7b1f/f97530cc6520447380b45be92292614b [2019-11-28 18:27:06,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:27:06,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:27:06,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:06,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:27:06,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:27:06,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aed937a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06, skipping insertion in model container [2019-11-28 18:27:06,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:27:06,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:27:07,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:07,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:27:07,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:07,290 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:27:07,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07 WrapperNode [2019-11-28 18:27:07,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:07,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:07,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:27:07,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:27:07,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:07,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:27:07,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:27:07,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:27:07,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (1/1) ... [2019-11-28 18:27:07,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:27:07,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:27:07,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:27:07,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:27:07,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (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 18:27:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:27:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:27:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:27:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:27:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:27:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:27:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:27:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:27:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:27:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:27:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:27:07,480 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 18:27:07,888 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:27:07,889 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:27:07,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07 BoogieIcfgContainer [2019-11-28 18:27:07,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:27:07,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:27:07,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:27:07,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:27:07,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:27:06" (1/3) ... [2019-11-28 18:27:07,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948c86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:07, skipping insertion in model container [2019-11-28 18:27:07,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:07" (2/3) ... [2019-11-28 18:27:07,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948c86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:07, skipping insertion in model container [2019-11-28 18:27:07,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07" (3/3) ... [2019-11-28 18:27:07,900 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i [2019-11-28 18:27:07,910 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:27:07,911 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:27:07,918 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:27:07,920 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:27:07,949 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,949 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,950 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,950 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,951 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,951 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,951 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,952 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,952 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,952 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,953 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,953 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,954 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,954 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:27:08,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:27:08,005 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:27:08,005 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:27:08,005 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:27:08,005 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:27:08,006 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:27:08,006 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:27:08,006 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:27:08,021 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-11-28 18:27:08,023 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:27:08,065 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:27:08,065 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:08,072 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 25 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:08,076 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:27:08,093 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:27:08,093 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:08,095 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 25 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:08,097 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:27:08,098 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:27:09,380 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 18:27:09,669 INFO L206 etLargeBlockEncoding]: Checked pairs total: 442 [2019-11-28 18:27:09,669 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-11-28 18:27:09,673 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-11-28 18:27:09,687 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-11-28 18:27:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-11-28 18:27:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:27:09,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:09,702 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:09,703 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:09,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:09,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1632263201, now seen corresponding path program 1 times [2019-11-28 18:27:09,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:09,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183507243] [2019-11-28 18:27:09,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,161 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 18:27:10,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183507243] [2019-11-28 18:27:10,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 18:27:10,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491161291] [2019-11-28 18:27:10,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:27:10,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:27:10,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:27:10,195 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-11-28 18:27:10,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,229 INFO L93 Difference]: Finished difference Result 73 states and 141 transitions. [2019-11-28 18:27:10,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:27:10,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:27:10,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,244 INFO L225 Difference]: With dead ends: 73 [2019-11-28 18:27:10,244 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 18:27:10,246 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 18:27:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 18:27:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2019-11-28 18:27:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 18:27:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 73 transitions. [2019-11-28 18:27:10,291 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 73 transitions. Word has length 8 [2019-11-28 18:27:10,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,293 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 73 transitions. [2019-11-28 18:27:10,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:27:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2019-11-28 18:27:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:27:10,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,294 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,295 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash -161820659, now seen corresponding path program 1 times [2019-11-28 18:27:10,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926658723] [2019-11-28 18:27:10,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,390 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 18:27:10,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926658723] [2019-11-28 18:27:10,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:10,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235564049] [2019-11-28 18:27:10,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:10,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:10,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:10,397 INFO L87 Difference]: Start difference. First operand 40 states and 73 transitions. Second operand 5 states. [2019-11-28 18:27:10,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,466 INFO L93 Difference]: Finished difference Result 44 states and 71 transitions. [2019-11-28 18:27:10,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:10,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:27:10,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,468 INFO L225 Difference]: With dead ends: 44 [2019-11-28 18:27:10,468 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 18:27:10,469 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 18:27:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 18:27:10,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-11-28 18:27:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 18:27:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 54 transitions. [2019-11-28 18:27:10,475 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 54 transitions. Word has length 9 [2019-11-28 18:27:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,476 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 54 transitions. [2019-11-28 18:27:10,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2019-11-28 18:27:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:27:10,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,477 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,477 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash -721428050, now seen corresponding path program 1 times [2019-11-28 18:27:10,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470658951] [2019-11-28 18:27:10,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,584 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 18:27:10,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470658951] [2019-11-28 18:27:10,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:27:10,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481796083] [2019-11-28 18:27:10,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:10,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:10,587 INFO L87 Difference]: Start difference. First operand 34 states and 54 transitions. Second operand 4 states. [2019-11-28 18:27:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,605 INFO L93 Difference]: Finished difference Result 33 states and 52 transitions. [2019-11-28 18:27:10,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:10,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 18:27:10,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,607 INFO L225 Difference]: With dead ends: 33 [2019-11-28 18:27:10,607 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 18:27:10,608 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 18:27:10,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 18:27:10,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 18:27:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 18:27:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2019-11-28 18:27:10,614 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2019-11-28 18:27:10,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,614 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2019-11-28 18:27:10,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2019-11-28 18:27:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:27:10,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,616 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,617 INFO L82 PathProgramCache]: Analyzing trace with hash 943681918, now seen corresponding path program 1 times [2019-11-28 18:27:10,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491414501] [2019-11-28 18:27:10,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,703 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 18:27:10,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491414501] [2019-11-28 18:27:10,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:27:10,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682437423] [2019-11-28 18:27:10,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:27:10,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:27:10,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:10,707 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 6 states. [2019-11-28 18:27:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,795 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2019-11-28 18:27:10,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:27:10,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:27:10,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,797 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:27:10,797 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 18:27:10,798 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 18:27:10,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 18:27:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2019-11-28 18:27:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 18:27:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2019-11-28 18:27:10,802 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 10 [2019-11-28 18:27:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,803 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2019-11-28 18:27:10,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:27:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-11-28 18:27:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:10,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,804 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,805 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -889030495, now seen corresponding path program 1 times [2019-11-28 18:27:10,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439291022] [2019-11-28 18:27:10,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,874 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 18:27:10,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439291022] [2019-11-28 18:27:10,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:10,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681366536] [2019-11-28 18:27:10,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:10,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:10,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:10,901 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. Second operand 5 states. [2019-11-28 18:27:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,932 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2019-11-28 18:27:10,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:10,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:27:10,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,934 INFO L225 Difference]: With dead ends: 24 [2019-11-28 18:27:10,934 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 18:27:10,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 18:27:10,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 18:27:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 18:27:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-28 18:27:10,937 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2019-11-28 18:27:10,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,938 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-28 18:27:10,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-28 18:27:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:10,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,939 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash -821570761, now seen corresponding path program 2 times [2019-11-28 18:27:10,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135362846] [2019-11-28 18:27:10,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,994 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 18:27:10,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135362846] [2019-11-28 18:27:10,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:27:10,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723751647] [2019-11-28 18:27:10,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:10,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:10,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:10,996 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 4 states. [2019-11-28 18:27:11,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:11,013 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-11-28 18:27:11,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:11,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:27:11,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:11,014 INFO L225 Difference]: With dead ends: 13 [2019-11-28 18:27:11,014 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:27:11,015 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 18:27:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:27:11,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:27:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:27:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:27:11,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:27:11,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:11,016 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:27:11,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:27:11,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:27:11,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:27:11 BasicIcfg [2019-11-28 18:27:11,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:27:11,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:27:11,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:27:11,023 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:27:11,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07" (3/4) ... [2019-11-28 18:27:11,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:27:11,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:27:11,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:27:11,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:27:11,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:27:11,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:27:11,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:27:11,121 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:27:11,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:27:11,123 INFO L168 Benchmark]: Toolchain (without parser) took 4595.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:11,124 INFO L168 Benchmark]: CDTParser took 0.33 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 18:27:11,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:11,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.53 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 18:27:11,133 INFO L168 Benchmark]: Boogie Preprocessor took 30.30 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 18:27:11,137 INFO L168 Benchmark]: RCFGBuilder took 496.72 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:11,139 INFO L168 Benchmark]: TraceAbstraction took 3130.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:11,140 INFO L168 Benchmark]: Witness Printer took 98.32 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:11,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 764.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.53 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 30.30 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 496.72 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3130.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 98.32 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 63 ProgramPointsBefore, 22 ProgramPointsAfterwards, 54 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 234 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 13 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 442 CheckedPairsTotal, 45 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 64 SDslu, 37 SDs, 0 SdLazy, 49 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 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, 2431 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...