./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer --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 d29ea340d577efdc20d5d4aad947500bbb9381e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:29:08,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:29:08,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:29:08,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:29:08,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:29:08,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:29:08,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:29:08,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:29:08,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:29:08,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:29:08,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:29:08,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:29:08,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:29:08,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:29:08,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:29:08,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:29:08,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:29:08,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:29:08,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:29:08,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:29:08,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:29:08,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:29:08,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:29:08,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:29:08,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:29:08,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:29:08,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:29:08,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:29:08,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:29:08,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:29:08,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:29:08,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:29:08,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:29:08,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:29:08,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:29:08,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:29:08,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:29:08,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:29:08,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:29:08,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:29:08,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:29:08,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:29:08,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:29:08,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:29:08,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:29:08,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:29:08,533 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:29:08,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:29:08,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:29:08,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:29:08,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:29:08,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:29:08,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:29:08,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:29:08,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:29:08,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:29:08,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:29:08,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:29:08,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:29:08,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:29:08,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:29:08,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:29:08,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:29:08,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:29:08,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:29:08,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:29:08,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:29:08,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:29:08,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:29:08,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:29:08,540 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer 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 -> d29ea340d577efdc20d5d4aad947500bbb9381e9 [2019-11-20 06:29:08,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:29:08,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:29:08,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:29:08,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:29:08,736 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:29:08,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe031_tso.opt.i [2019-11-20 06:29:08,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/data/a92d088df/a0748a106f8747a9bf312b574a2c9b1e/FLAG070440beb [2019-11-20 06:29:09,209 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:29:09,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/sv-benchmarks/c/pthread-wmm/safe031_tso.opt.i [2019-11-20 06:29:09,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/data/a92d088df/a0748a106f8747a9bf312b574a2c9b1e/FLAG070440beb [2019-11-20 06:29:09,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/data/a92d088df/a0748a106f8747a9bf312b574a2c9b1e [2019-11-20 06:29:09,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:29:09,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:29:09,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:09,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:29:09,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:29:09,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605aecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09, skipping insertion in model container [2019-11-20 06:29:09,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:29:09,583 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:29:09,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:09,982 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:29:10,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:10,156 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:29:10,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10 WrapperNode [2019-11-20 06:29:10,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:10,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:10,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:29:10,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:29:10,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:10,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:29:10,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:29:10,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:29:10,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:29:10,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:29:10,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:29:10,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:29:10,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/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 [2019-11-20 06:29:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:29:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 06:29:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:29:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:29:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 06:29:10,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 06:29:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 06:29:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 06:29:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 06:29:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 06:29:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 06:29:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:29:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:29:10,317 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 06:29:10,607 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:29:10,607 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 06:29:10,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10 BoogieIcfgContainer [2019-11-20 06:29:10,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:29:10,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:29:10,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:29:10,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:29:10,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:29:09" (1/3) ... [2019-11-20 06:29:10,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71030166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:10, skipping insertion in model container [2019-11-20 06:29:10,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:10" (2/3) ... [2019-11-20 06:29:10,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71030166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:10, skipping insertion in model container [2019-11-20 06:29:10,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10" (3/3) ... [2019-11-20 06:29:10,615 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2019-11-20 06:29:10,686 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,692 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,692 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,692 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,693 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,693 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,693 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,693 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,694 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,694 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,694 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,694 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,695 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,695 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,695 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,695 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,696 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,696 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,696 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,696 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,699 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,699 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,700 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,700 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,700 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,700 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,701 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,701 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,701 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,701 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,702 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,703 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,704 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,704 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,704 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,704 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,705 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,705 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,707 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,707 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,707 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,708 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,708 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,708 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,710 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,710 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,712 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,713 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,713 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:29:10,742 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 06:29:10,743 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:29:10,750 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:29:10,760 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:29:10,778 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:29:10,779 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:29:10,779 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:29:10,779 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:29:10,779 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:29:10,779 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:29:10,779 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:29:10,779 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:29:10,790 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-20 06:29:14,418 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-20 06:29:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-20 06:29:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 06:29:14,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:29:14,480 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:14,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:29:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:14,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1839078695, now seen corresponding path program 1 times [2019-11-20 06:29:14,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:14,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121471454] [2019-11-20 06:29:14,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:14,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121471454] [2019-11-20 06:29:14,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:14,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:29:14,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715960494] [2019-11-20 06:29:14,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:29:14,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:14,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:29:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:29:14,864 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-20 06:29:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:15,296 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-20 06:29:15,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:29:15,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-20 06:29:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:29:15,458 INFO L225 Difference]: With dead ends: 33012 [2019-11-20 06:29:15,459 INFO L226 Difference]: Without dead ends: 14274 [2019-11-20 06:29:15,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:29:15,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-20 06:29:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-20 06:29:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-20 06:29:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-20 06:29:16,215 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-20 06:29:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:29:16,217 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-20 06:29:16,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:29:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-20 06:29:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 06:29:16,249 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:29:16,250 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:16,251 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:29:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:16,260 INFO L82 PathProgramCache]: Analyzing trace with hash 410544673, now seen corresponding path program 1 times [2019-11-20 06:29:16,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:16,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628516465] [2019-11-20 06:29:16,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:16,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628516465] [2019-11-20 06:29:16,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:16,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 06:29:16,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015622323] [2019-11-20 06:29:16,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:29:16,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:16,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:29:16,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:29:16,460 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-20 06:29:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:16,845 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-20 06:29:16,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:29:16,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 06:29:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:29:16,916 INFO L225 Difference]: With dead ends: 14274 [2019-11-20 06:29:16,916 INFO L226 Difference]: Without dead ends: 12573 [2019-11-20 06:29:16,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:29:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-20 06:29:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-20 06:29:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-20 06:29:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-20 06:29:17,658 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-20 06:29:17,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:29:17,658 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-20 06:29:17,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:29:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-20 06:29:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 06:29:17,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:29:17,686 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:17,686 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:29:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash -150100722, now seen corresponding path program 1 times [2019-11-20 06:29:17,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:17,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599194667] [2019-11-20 06:29:17,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:17,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599194667] [2019-11-20 06:29:17,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:17,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 06:29:17,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897296866] [2019-11-20 06:29:17,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 06:29:17,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 06:29:17,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 06:29:17,841 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-20 06:29:18,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:18,027 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-20 06:29:18,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 06:29:18,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-20 06:29:18,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:29:18,049 INFO L225 Difference]: With dead ends: 8928 [2019-11-20 06:29:18,050 INFO L226 Difference]: Without dead ends: 7470 [2019-11-20 06:29:18,050 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 06:29:18,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-20 06:29:18,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-20 06:29:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-20 06:29:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-20 06:29:18,279 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-20 06:29:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:29:18,280 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-20 06:29:18,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 06:29:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-20 06:29:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:18,296 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:29:18,296 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:18,297 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:29:18,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:18,297 INFO L82 PathProgramCache]: Analyzing trace with hash 973930000, now seen corresponding path program 1 times [2019-11-20 06:29:18,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:18,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648988534] [2019-11-20 06:29:18,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:18,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648988534] [2019-11-20 06:29:18,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:18,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 06:29:18,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011680158] [2019-11-20 06:29:18,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 06:29:18,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:18,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 06:29:18,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 06:29:18,410 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 6 states. [2019-11-20 06:29:18,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:18,557 INFO L93 Difference]: Finished difference Result 12087 states and 34010 transitions. [2019-11-20 06:29:18,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:29:18,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 06:29:18,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:29:18,576 INFO L225 Difference]: With dead ends: 12087 [2019-11-20 06:29:18,576 INFO L226 Difference]: Without dead ends: 6678 [2019-11-20 06:29:18,579 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 06:29:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2019-11-20 06:29:18,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6678. [2019-11-20 06:29:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6678 states. [2019-11-20 06:29:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 18665 transitions. [2019-11-20 06:29:18,746 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 18665 transitions. Word has length 33 [2019-11-20 06:29:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:29:18,747 INFO L462 AbstractCegarLoop]: Abstraction has 6678 states and 18665 transitions. [2019-11-20 06:29:18,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 06:29:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 18665 transitions. [2019-11-20 06:29:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:18,759 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:29:18,759 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:18,760 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:29:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:18,760 INFO L82 PathProgramCache]: Analyzing trace with hash 293259752, now seen corresponding path program 2 times [2019-11-20 06:29:18,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:18,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329707086] [2019-11-20 06:29:18,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:18,910 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329707086] [2019-11-20 06:29:18,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:18,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 06:29:18,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789599312] [2019-11-20 06:29:18,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 06:29:18,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:18,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 06:29:18,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:29:18,911 INFO L87 Difference]: Start difference. First operand 6678 states and 18665 transitions. Second operand 7 states. [2019-11-20 06:29:19,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:19,107 INFO L93 Difference]: Finished difference Result 5220 states and 14291 transitions. [2019-11-20 06:29:19,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 06:29:19,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-20 06:29:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:29:19,110 INFO L225 Difference]: With dead ends: 5220 [2019-11-20 06:29:19,110 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:29:19,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-20 06:29:19,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:29:19,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:29:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:29:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:29:19,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-20 06:29:19,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:29:19,112 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:19,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 06:29:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:29:19,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:29:19,115 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 06:29:19,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:29:19 BasicIcfg [2019-11-20 06:29:19,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:29:19,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:29:19,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:29:19,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:29:19,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10" (3/4) ... [2019-11-20 06:29:19,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:29:19,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 06:29:19,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 06:29:19,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 06:29:19,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 06:29:19,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 06:29:19,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:29:19,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7bf381dc-9ef7-45b7-bded-da90aebd836f/bin/uautomizer/witness.graphml [2019-11-20 06:29:19,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:29:19,190 INFO L168 Benchmark]: Toolchain (without parser) took 9669.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.8 MB). Free memory was 944.7 MB in the beginning and 842.0 MB in the end (delta: 102.7 MB). Peak memory consumption was 497.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,190 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:19,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,191 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:19,192 INFO L168 Benchmark]: RCFGBuilder took 359.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,192 INFO L168 Benchmark]: TraceAbstraction took 8507.68 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 1.0 GB in the beginning and 857.0 MB in the end (delta: 148.8 MB). Peak memory consumption was 493.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,193 INFO L168 Benchmark]: Witness Printer took 67.79 ms. Allocated memory is still 1.4 GB. Free memory was 857.0 MB in the beginning and 842.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:19,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 359.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8507.68 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 1.0 GB in the beginning and 857.0 MB in the end (delta: 148.8 MB). Peak memory consumption was 493.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.79 ms. Allocated memory is still 1.4 GB. Free memory was 857.0 MB in the beginning and 842.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 602 SDslu, 1004 SDs, 0 SdLazy, 145 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred 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: 1.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 12698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...