./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe037_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe037_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/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 15444cf6ce21e3f16e5a8234d9be5a4f3e57e22b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:43:47,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:43:47,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:43:47,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:43:47,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:43:47,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:43:47,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:43:47,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:43:47,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:43:47,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:43:47,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:43:47,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:43:47,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:43:47,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:43:47,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:43:47,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:43:47,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:43:47,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:43:47,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:43:47,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:43:47,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:43:47,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:43:47,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:43:47,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:43:47,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:43:47,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:43:47,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:43:47,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:43:47,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:43:47,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:43:47,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:43:47,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:43:47,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:43:47,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:43:47,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:43:47,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:43:47,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:43:47,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:43:47,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:43:47,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:43:47,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:43:47,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:43:47,319 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:43:47,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:43:47,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:43:47,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:43:47,321 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:43:47,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:43:47,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:43:47,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:43:47,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:43:47,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:43:47,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:43:47,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:43:47,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:43:47,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:43:47,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:43:47,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:43:47,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:43:47,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:43:47,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:43:47,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:43:47,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:43:47,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:43:47,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:43:47,325 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_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/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 -> 15444cf6ce21e3f16e5a8234d9be5a4f3e57e22b [2019-11-15 23:43:47,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:43:47,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:43:47,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:43:47,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:43:47,371 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:43:47,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe037_pso.opt.i [2019-11-15 23:43:47,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/data/8de35ff24/9d0f1d673bdb41b8badb06bc5c71e4fd/FLAG3f59bc809 [2019-11-15 23:43:47,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:43:47,893 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/sv-benchmarks/c/pthread-wmm/safe037_pso.opt.i [2019-11-15 23:43:47,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/data/8de35ff24/9d0f1d673bdb41b8badb06bc5c71e4fd/FLAG3f59bc809 [2019-11-15 23:43:48,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/data/8de35ff24/9d0f1d673bdb41b8badb06bc5c71e4fd [2019-11-15 23:43:48,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:43:48,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:43:48,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:43:48,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:43:48,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:43:48,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48, skipping insertion in model container [2019-11-15 23:43:48,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:43:48,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:43:48,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:43:48,725 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:43:48,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:43:48,847 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:43:48,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48 WrapperNode [2019-11-15 23:43:48,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:43:48,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:43:48,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:43:48,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:43:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:43:48,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:43:48,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:43:48,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:43:48,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... [2019-11-15 23:43:48,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:43:48,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:43:48,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:43:48,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:43:48,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/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 [2019-11-15 23:43:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:43:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:43:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:43:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:43:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:43:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:43:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:43:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:43:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:43:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:43:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:43:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:43:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:43:48,999 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:43:49,369 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:43:49,369 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:43:49,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:49 BoogieIcfgContainer [2019-11-15 23:43:49,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:43:49,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:43:49,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:43:49,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:43:49,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:43:48" (1/3) ... [2019-11-15 23:43:49,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74176d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:43:49, skipping insertion in model container [2019-11-15 23:43:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:48" (2/3) ... [2019-11-15 23:43:49,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74176d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:43:49, skipping insertion in model container [2019-11-15 23:43:49,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:49" (3/3) ... [2019-11-15 23:43:49,376 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_pso.opt.i [2019-11-15 23:43:49,404 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,405 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,405 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,405 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,405 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,405 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,406 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,406 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,406 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,406 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,406 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,407 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,407 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,407 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,407 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,407 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,408 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,408 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:49,419 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:43:49,419 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:43:49,427 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:43:49,437 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:43:49,455 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:43:49,455 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:43:49,456 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:43:49,456 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:43:49,456 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:43:49,456 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:43:49,456 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:43:49,457 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:43:49,471 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 23:43:49,558 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 23:43:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 23:43:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:43:49,575 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:49,581 INFO L380 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] [2019-11-15 23:43:49,584 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:49,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash 781262921, now seen corresponding path program 1 times [2019-11-15 23:43:49,597 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:49,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918352361] [2019-11-15 23:43:49,598 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:49,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:49,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:49,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918352361] [2019-11-15 23:43:49,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:49,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:43:49,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440427660] [2019-11-15 23:43:49,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:43:49,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:43:49,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:43:49,957 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 23:43:50,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:50,091 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 23:43:50,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:43:50,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 23:43:50,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:50,115 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 23:43:50,115 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 23:43:50,116 INFO L600 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 [2019-11-15 23:43:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 23:43:50,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 23:43:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 23:43:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 23:43:50,220 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 23:43:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:50,220 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 23:43:50,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:43:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 23:43:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:43:50,224 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:50,224 INFO L380 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] [2019-11-15 23:43:50,225 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:50,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1800163204, now seen corresponding path program 1 times [2019-11-15 23:43:50,225 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:50,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965742148] [2019-11-15 23:43:50,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:50,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965742148] [2019-11-15 23:43:50,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:50,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:43:50,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974247258] [2019-11-15 23:43:50,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:43:50,403 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:50,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:43:50,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:43:50,403 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 23:43:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:50,491 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 23:43:50,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:43:50,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:43:50,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:50,502 INFO L225 Difference]: With dead ends: 601 [2019-11-15 23:43:50,502 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 23:43:50,503 INFO L600 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 [2019-11-15 23:43:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 23:43:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 23:43:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 23:43:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 23:43:50,551 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 23:43:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:50,554 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 23:43:50,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:43:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 23:43:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 23:43:50,569 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:50,569 INFO L380 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] [2019-11-15 23:43:50,570 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:50,570 INFO L82 PathProgramCache]: Analyzing trace with hash 875892326, now seen corresponding path program 1 times [2019-11-15 23:43:50,570 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:50,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465627951] [2019-11-15 23:43:50,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:50,688 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465627951] [2019-11-15 23:43:50,689 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:50,689 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:43:50,689 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687750331] [2019-11-15 23:43:50,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:43:50,689 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:50,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:43:50,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:43:50,690 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 23:43:50,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:50,782 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 23:43:50,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:43:50,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 23:43:50,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:50,786 INFO L225 Difference]: With dead ends: 403 [2019-11-15 23:43:50,786 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 23:43:50,787 INFO L600 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 [2019-11-15 23:43:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 23:43:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 23:43:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 23:43:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 23:43:50,802 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 23:43:50,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:50,803 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 23:43:50,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:43:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 23:43:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:43:50,807 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:50,808 INFO L380 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, 1] [2019-11-15 23:43:50,808 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:50,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1874157502, now seen corresponding path program 1 times [2019-11-15 23:43:50,809 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:50,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69519402] [2019-11-15 23:43:50,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:50,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:50,976 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69519402] [2019-11-15 23:43:50,977 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:50,977 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:43:50,977 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522060498] [2019-11-15 23:43:50,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:43:50,978 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:50,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:43:50,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:43:50,978 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-11-15 23:43:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:51,140 INFO L93 Difference]: Finished difference Result 520 states and 1395 transitions. [2019-11-15 23:43:51,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:43:51,141 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 23:43:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:51,144 INFO L225 Difference]: With dead ends: 520 [2019-11-15 23:43:51,144 INFO L226 Difference]: Without dead ends: 313 [2019-11-15 23:43:51,144 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:43:51,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-11-15 23:43:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 304. [2019-11-15 23:43:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-11-15 23:43:51,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 780 transitions. [2019-11-15 23:43:51,157 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 780 transitions. Word has length 34 [2019-11-15 23:43:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:51,158 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 780 transitions. [2019-11-15 23:43:51,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:43:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 780 transitions. [2019-11-15 23:43:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:43:51,159 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:51,160 INFO L380 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, 1] [2019-11-15 23:43:51,160 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:51,160 INFO L82 PathProgramCache]: Analyzing trace with hash -2097237694, now seen corresponding path program 2 times [2019-11-15 23:43:51,161 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:51,161 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516619845] [2019-11-15 23:43:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:51,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:51,318 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516619845] [2019-11-15 23:43:51,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:51,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:43:51,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952891919] [2019-11-15 23:43:51,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:43:51,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:51,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:43:51,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:43:51,320 INFO L87 Difference]: Start difference. First operand 304 states and 780 transitions. Second operand 7 states. [2019-11-15 23:43:51,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:51,469 INFO L93 Difference]: Finished difference Result 466 states and 1239 transitions. [2019-11-15 23:43:51,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:43:51,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 23:43:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:51,472 INFO L225 Difference]: With dead ends: 466 [2019-11-15 23:43:51,472 INFO L226 Difference]: Without dead ends: 280 [2019-11-15 23:43:51,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:43:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-15 23:43:51,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-11-15 23:43:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-15 23:43:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-11-15 23:43:51,485 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-11-15 23:43:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:51,485 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-11-15 23:43:51,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:43:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-11-15 23:43:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:43:51,487 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:51,487 INFO L380 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, 1] [2019-11-15 23:43:51,487 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash -283564964, now seen corresponding path program 3 times [2019-11-15 23:43:51,488 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:51,488 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753630341] [2019-11-15 23:43:51,488 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:51,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:51,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:51,625 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753630341] [2019-11-15 23:43:51,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:51,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:43:51,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46140303] [2019-11-15 23:43:51,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:43:51,626 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:51,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:43:51,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:43:51,627 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-11-15 23:43:51,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:51,779 INFO L93 Difference]: Finished difference Result 226 states and 564 transitions. [2019-11-15 23:43:51,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:43:51,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 23:43:51,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:51,780 INFO L225 Difference]: With dead ends: 226 [2019-11-15 23:43:51,780 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:43:51,780 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:43:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:43:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:43:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:43:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:43:51,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 23:43:51,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:51,782 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:43:51,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:43:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:43:51,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:43:51,785 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:43:51,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:43:51 BasicIcfg [2019-11-15 23:43:51,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:43:51,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:43:51,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:43:51,790 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:43:51,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:49" (3/4) ... [2019-11-15 23:43:51,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:43:51,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:43:51,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:43:51,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:43:51,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:43:51,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:43:51,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c6e425c-2efc-426e-9a70-0e3f6cef36cf/bin/uautomizer/witness.graphml [2019-11-15 23:43:51,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:43:51,855 INFO L168 Benchmark]: Toolchain (without parser) took 3594.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.7 MB in the beginning and 891.7 MB in the end (delta: 49.0 MB). Peak memory consumption was 233.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,856 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:43:51,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.78 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,861 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 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. [2019-11-15 23:43:51,862 INFO L168 Benchmark]: RCFGBuilder took 452.34 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,863 INFO L168 Benchmark]: TraceAbstraction took 2415.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.1 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,866 INFO L168 Benchmark]: Witness Printer took 63.87 ms. Allocated memory is still 1.2 GB. Free memory was 898.1 MB in the beginning and 891.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:51,868 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 586.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.78 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.44 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 452.34 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2415.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.1 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.87 ms. Allocated memory is still 1.2 GB. Free memory was 898.1 MB in the beginning and 891.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 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 7 procedures, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 318 SDtfs, 357 SDslu, 872 SDs, 0 SdLazy, 118 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17568 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...