./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe037_power.oepc.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_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe037_power.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/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 106693147f20b88bd9302cd5024e3f795b741c25 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:11:39,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:11:39,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:11:39,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:11:39,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:11:39,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:11:39,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:11:39,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:11:39,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:11:39,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:11:39,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:11:39,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:11:39,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:11:39,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:11:39,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:11:39,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:11:39,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:11:39,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:11:39,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:11:39,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:11:39,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:11:39,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:11:39,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:11:39,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:11:39,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:11:39,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:11:39,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:11:39,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:11:39,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:11:39,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:11:39,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:11:39,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:11:39,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:11:39,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:11:39,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:11:39,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:11:39,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:11:39,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:11:39,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:11:39,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:11:39,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:11:39,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:11:39,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:11:39,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:11:39,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:11:39,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:11:39,284 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:11:39,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:11:39,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:11:39,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:11:39,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:11:39,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:11:39,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:11:39,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:11:39,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:11:39,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:11:39,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:11:39,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:11:39,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:11:39,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:11:39,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:11:39,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:11:39,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:11:39,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:11:39,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:11:39,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:11:39,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:11:39,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:11:39,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:11:39,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:11:39,291 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_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/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 -> 106693147f20b88bd9302cd5024e3f795b741c25 [2019-11-15 21:11:39,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:11:39,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:11:39,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:11:39,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:11:39,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:11:39,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe037_power.oepc.i [2019-11-15 21:11:39,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/data/064b6ce49/5307776023794db29b8128dac6b8696d/FLAGd88e24a9e [2019-11-15 21:11:39,895 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:11:39,896 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/sv-benchmarks/c/pthread-wmm/safe037_power.oepc.i [2019-11-15 21:11:39,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/data/064b6ce49/5307776023794db29b8128dac6b8696d/FLAGd88e24a9e [2019-11-15 21:11:40,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/data/064b6ce49/5307776023794db29b8128dac6b8696d [2019-11-15 21:11:40,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:11:40,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:11:40,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:40,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:11:40,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:11:40,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcd7b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40, skipping insertion in model container [2019-11-15 21:11:40,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:11:40,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:11:40,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:40,673 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:11:40,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:11:40,801 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:11:40,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40 WrapperNode [2019-11-15 21:11:40,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:11:40,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:11:40,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:11:40,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:11:40,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:11:40,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:11:40,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:11:40,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:11:40,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... [2019-11-15 21:11:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:11:40,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:11:40,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:11:40,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:11:40,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/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 21:11:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:11:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 21:11:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:11:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:11:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 21:11:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 21:11:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 21:11:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 21:11:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 21:11:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 21:11:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 21:11:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:11:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:11:40,985 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 21:11:41,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:11:41,372 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:11:41,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:41 BoogieIcfgContainer [2019-11-15 21:11:41,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:11:41,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:11:41,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:11:41,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:11:41,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:11:40" (1/3) ... [2019-11-15 21:11:41,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44721496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:41, skipping insertion in model container [2019-11-15 21:11:41,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:11:40" (2/3) ... [2019-11-15 21:11:41,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44721496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:11:41, skipping insertion in model container [2019-11-15 21:11:41,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:41" (3/3) ... [2019-11-15 21:11:41,380 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i [2019-11-15 21:11:41,420 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,420 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,420 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,421 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,422 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,422 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,422 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,423 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,423 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,423 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,424 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,424 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,424 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,424 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,425 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,425 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:11:41,452 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 21:11:41,453 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:11:41,460 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:11:41,469 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:11:41,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:11:41,486 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:11:41,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:11:41,487 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:11:41,487 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:11:41,487 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:11:41,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:11:41,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:11:41,495 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 21:11:41,567 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 21:11:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 21:11:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 21:11:41,583 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:41,584 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 21:11:41,586 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:41,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:41,591 INFO L82 PathProgramCache]: Analyzing trace with hash 781262921, now seen corresponding path program 1 times [2019-11-15 21:11:41,598 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:41,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397692636] [2019-11-15 21:11:41,598 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:41,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:41,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:41,893 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 21:11:41,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397692636] [2019-11-15 21:11:41,894 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:41,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:11:41,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809647239] [2019-11-15 21:11:41,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:11:41,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:41,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:11:41,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:11:41,913 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 21:11:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:42,032 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 21:11:42,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:11:42,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 21:11:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:42,055 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 21:11:42,056 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 21:11:42,057 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 21:11:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 21:11:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 21:11:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 21:11:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 21:11:42,155 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 21:11:42,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:42,156 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 21:11:42,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:11:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 21:11:42,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:11:42,160 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:42,160 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] [2019-11-15 21:11:42,161 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:42,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:42,161 INFO L82 PathProgramCache]: Analyzing trace with hash 455159324, now seen corresponding path program 1 times [2019-11-15 21:11:42,161 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:42,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290326860] [2019-11-15 21:11:42,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:42,300 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 21:11:42,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290326860] [2019-11-15 21:11:42,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:42,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:11:42,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935333920] [2019-11-15 21:11:42,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:11:42,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:42,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:11:42,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:11:42,303 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 21:11:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:42,385 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 21:11:42,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:11:42,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 21:11:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:42,393 INFO L225 Difference]: With dead ends: 601 [2019-11-15 21:11:42,398 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 21:11:42,400 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 21:11:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 21:11:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 21:11:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 21:11:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 21:11:42,431 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 21:11:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:42,431 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 21:11:42,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:11:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 21:11:42,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:11:42,434 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:42,435 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 21:11:42,435 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:42,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:42,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2071413958, now seen corresponding path program 1 times [2019-11-15 21:11:42,436 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:42,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887922435] [2019-11-15 21:11:42,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:42,582 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 21:11:42,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887922435] [2019-11-15 21:11:42,583 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:42,583 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:11:42,583 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967480462] [2019-11-15 21:11:42,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:11:42,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:42,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:11:42,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:11:42,584 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 21:11:42,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:42,686 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 21:11:42,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:11:42,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 21:11:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:42,691 INFO L225 Difference]: With dead ends: 403 [2019-11-15 21:11:42,691 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 21:11:42,691 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 21:11:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 21:11:42,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 21:11:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 21:11:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 21:11:42,710 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 21:11:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:42,710 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 21:11:42,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:11:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 21:11:42,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 21:11:42,715 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:42,715 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 21:11:42,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:42,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:42,716 INFO L82 PathProgramCache]: Analyzing trace with hash 827274722, now seen corresponding path program 1 times [2019-11-15 21:11:42,716 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:42,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596963370] [2019-11-15 21:11:42,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:42,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:42,910 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 21:11:42,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596963370] [2019-11-15 21:11:42,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:42,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:11:42,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48522659] [2019-11-15 21:11:42,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:11:42,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:42,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:11:42,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:11:42,912 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-15 21:11:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:43,059 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-15 21:11:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:11:43,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 21:11:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:43,063 INFO L225 Difference]: With dead ends: 556 [2019-11-15 21:11:43,063 INFO L226 Difference]: Without dead ends: 325 [2019-11-15 21:11:43,064 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:11:43,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-15 21:11:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-11-15 21:11:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 21:11:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-11-15 21:11:43,077 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-11-15 21:11:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:43,078 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-11-15 21:11:43,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:11:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-11-15 21:11:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 21:11:43,080 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:43,080 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 21:11:43,080 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:43,081 INFO L82 PathProgramCache]: Analyzing trace with hash -606700324, now seen corresponding path program 2 times [2019-11-15 21:11:43,081 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:43,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777785955] [2019-11-15 21:11:43,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:43,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:43,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:43,254 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 21:11:43,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777785955] [2019-11-15 21:11:43,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:43,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:11:43,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422807800] [2019-11-15 21:11:43,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:11:43,256 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:43,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:11:43,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:43,256 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 7 states. [2019-11-15 21:11:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:43,424 INFO L93 Difference]: Finished difference Result 496 states and 1326 transitions. [2019-11-15 21:11:43,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:11:43,424 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 21:11:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:43,427 INFO L225 Difference]: With dead ends: 496 [2019-11-15 21:11:43,427 INFO L226 Difference]: Without dead ends: 289 [2019-11-15 21:11:43,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:11:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-11-15 21:11:43,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 280. [2019-11-15 21:11:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-15 21:11:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-11-15 21:11:43,438 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-11-15 21:11:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:43,440 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-11-15 21:11:43,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:11:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-11-15 21:11:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 21:11:43,444 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:11:43,445 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 21:11:43,445 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:11:43,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:11:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash -283564964, now seen corresponding path program 3 times [2019-11-15 21:11:43,446 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:11:43,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796822004] [2019-11-15 21:11:43,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:43,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:11:43,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:11:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:11:43,709 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-15 21:11:43,733 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 21:11:43,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796822004] [2019-11-15 21:11:43,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:11:43,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:11:43,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059115281] [2019-11-15 21:11:43,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:11:43,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:11:43,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:11:43,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:11:43,735 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-11-15 21:11:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:11:43,855 INFO L93 Difference]: Finished difference Result 226 states and 564 transitions. [2019-11-15 21:11:43,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:11:43,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 21:11:43,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:11:43,856 INFO L225 Difference]: With dead ends: 226 [2019-11-15 21:11:43,856 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:11:43,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:11:43,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:11:43,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:11:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:11:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:11:43,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 21:11:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:11:43,857 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:11:43,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:11:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:11:43,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:11:43,860 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 21:11:43,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:11:43 BasicIcfg [2019-11-15 21:11:43,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:11:43,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:11:43,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:11:43,865 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:11:43,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:11:41" (3/4) ... [2019-11-15 21:11:43,868 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:11:43,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 21:11:43,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 21:11:43,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 21:11:43,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 21:11:43,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 21:11:43,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6392bda-6ad7-440a-b3a8-deefbbe0bb86/bin/uautomizer/witness.graphml [2019-11-15 21:11:43,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:11:43,936 INFO L168 Benchmark]: Toolchain (without parser) took 3722.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:11:43,937 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. [2019-11-15 21:11:43,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:43,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.95 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 21:11:43,938 INFO L168 Benchmark]: Boogie Preprocessor took 59.47 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:43,941 INFO L168 Benchmark]: RCFGBuilder took 464.54 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:43,942 INFO L168 Benchmark]: TraceAbstraction took 2489.66 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: -24.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:11:43,945 INFO L168 Benchmark]: Witness Printer took 70.94 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:11:43,947 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 583.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.47 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.54 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2489.66 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: -24.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 70.94 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: 1.7 MB). Peak memory consumption was 1.7 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: 320 SDtfs, 364 SDslu, 919 SDs, 0 SdLazy, 120 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17700 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...