./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/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 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:03,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:03,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:03,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:03,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:03,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:03,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:03,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:03,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:03,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:03,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:03,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:03,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:03,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:03,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:03,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:03,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:03,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:03,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:03,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:03,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:03,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:03,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:03,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:03,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:03,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:03,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:03,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:03,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:03,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:03,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:03,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:03,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:03,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:03,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:03,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:03,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:03,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:03,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:03,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:03,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:03,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:49:03,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:03,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:03,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:03,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:03,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:03,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:03,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:03,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:03,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:03,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:03,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:49:03,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:49:03,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:49:03,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:03,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:03,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:03,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:49:03,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:03,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:03,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:49:03,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:49:03,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:03,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:03,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:49:03,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:49:03,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:03,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:49:03,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:49:03,325 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_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/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 -> 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 [2019-11-25 08:49:03,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:03,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:03,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:03,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:03,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:03,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-11-25 08:49:03,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/data/ea247f3b4/c25284647e1e46a19288119622618eb3/FLAGff1236ccb [2019-11-25 08:49:04,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:04,101 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-11-25 08:49:04,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/data/ea247f3b4/c25284647e1e46a19288119622618eb3/FLAGff1236ccb [2019-11-25 08:49:04,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/data/ea247f3b4/c25284647e1e46a19288119622618eb3 [2019-11-25 08:49:04,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:04,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:04,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:04,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:04,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:04,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:04" (1/1) ... [2019-11-25 08:49:04,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d9887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:04, skipping insertion in model container [2019-11-25 08:49:04,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:04" (1/1) ... [2019-11-25 08:49:04,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:04,545 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:04,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:04,974 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:05,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:05,087 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:05,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05 WrapperNode [2019-11-25 08:49:05,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:05,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:05,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:05,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:05,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:05,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:05,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:05,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:05,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:05,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:05,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:05,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:05,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/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 [2019-11-25 08:49:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:49:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:49:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:49:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:49:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:49:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:49:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:49:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:49:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:05,233 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:49:05,578 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:05,578 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:49:05,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:05 BoogieIcfgContainer [2019-11-25 08:49:05,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:05,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:05,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:05,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:05,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:49:04" (1/3) ... [2019-11-25 08:49:05,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce8c12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:05, skipping insertion in model container [2019-11-25 08:49:05,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05" (2/3) ... [2019-11-25 08:49:05,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce8c12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:05, skipping insertion in model container [2019-11-25 08:49:05,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:05" (3/3) ... [2019-11-25 08:49:05,586 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc.i [2019-11-25 08:49:05,631 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,631 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,631 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,631 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,631 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,632 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,632 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,632 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,632 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,632 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,633 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,633 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,633 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,633 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,634 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,634 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,635 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,635 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,636 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,636 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,636 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,636 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,636 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,637 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,638 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,638 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,638 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,638 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,639 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,639 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,639 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,639 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,639 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,640 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,640 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,640 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,640 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,640 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,641 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,641 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,642 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,642 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,642 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:05,670 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:49:05,670 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:05,676 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:05,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:05,703 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:05,703 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:05,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:05,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:05,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:05,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:05,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:05,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:05,714 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-25 08:49:05,852 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-25 08:49:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-25 08:49:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:49:05,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:05,868 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:05,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:05,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:05,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1271650482, now seen corresponding path program 1 times [2019-11-25 08:49:05,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:05,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869492873] [2019-11-25 08:49:05,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:06,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869492873] [2019-11-25 08:49:06,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:06,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:06,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359440982] [2019-11-25 08:49:06,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:49:06,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:06,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:06,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:06,213 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-25 08:49:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:06,314 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-25 08:49:06,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:06,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-25 08:49:06,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:06,340 INFO L225 Difference]: With dead ends: 1293 [2019-11-25 08:49:06,341 INFO L226 Difference]: Without dead ends: 599 [2019-11-25 08:49:06,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-25 08:49:06,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-25 08:49:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-25 08:49:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-25 08:49:06,438 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-25 08:49:06,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:06,439 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-25 08:49:06,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:49:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-25 08:49:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:49:06,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:06,443 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,443 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:06,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:06,444 INFO L82 PathProgramCache]: Analyzing trace with hash -560267086, now seen corresponding path program 1 times [2019-11-25 08:49:06,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:06,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445624566] [2019-11-25 08:49:06,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:06,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445624566] [2019-11-25 08:49:06,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:06,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:49:06,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961561096] [2019-11-25 08:49:06,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:49:06,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:06,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:06,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:06,590 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-25 08:49:06,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:06,685 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-25 08:49:06,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:06,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-25 08:49:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:06,691 INFO L225 Difference]: With dead ends: 599 [2019-11-25 08:49:06,692 INFO L226 Difference]: Without dead ends: 536 [2019-11-25 08:49:06,693 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-25 08:49:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-25 08:49:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-25 08:49:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-25 08:49:06,728 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-25 08:49:06,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:06,732 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-25 08:49:06,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:49:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-25 08:49:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:49:06,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:06,734 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:06,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:06,735 INFO L82 PathProgramCache]: Analyzing trace with hash 356515304, now seen corresponding path program 1 times [2019-11-25 08:49:06,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:06,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615651306] [2019-11-25 08:49:06,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:06,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615651306] [2019-11-25 08:49:06,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:06,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:06,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58718755] [2019-11-25 08:49:06,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:06,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:06,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:06,884 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-25 08:49:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:06,995 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-25 08:49:06,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:49:06,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-25 08:49:06,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,002 INFO L225 Difference]: With dead ends: 401 [2019-11-25 08:49:07,003 INFO L226 Difference]: Without dead ends: 347 [2019-11-25 08:49:07,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:49:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-25 08:49:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-25 08:49:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-25 08:49:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-25 08:49:07,021 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-25 08:49:07,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,022 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-25 08:49:07,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-25 08:49:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:49:07,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:07,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:07,024 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:07,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,025 INFO L82 PathProgramCache]: Analyzing trace with hash 529359310, now seen corresponding path program 1 times [2019-11-25 08:49:07,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34772266] [2019-11-25 08:49:07,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34772266] [2019-11-25 08:49:07,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:07,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222985342] [2019-11-25 08:49:07,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:07,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:07,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:07,178 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-25 08:49:07,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,288 INFO L93 Difference]: Finished difference Result 518 states and 1393 transitions. [2019-11-25 08:49:07,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:49:07,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,291 INFO L225 Difference]: With dead ends: 518 [2019-11-25 08:49:07,291 INFO L226 Difference]: Without dead ends: 275 [2019-11-25 08:49:07,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:49:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-25 08:49:07,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2019-11-25 08:49:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-25 08:49:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 724 transitions. [2019-11-25 08:49:07,304 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 724 transitions. Word has length 32 [2019-11-25 08:49:07,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,304 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 724 transitions. [2019-11-25 08:49:07,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 724 transitions. [2019-11-25 08:49:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:49:07,306 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:07,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:07,306 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:07,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1167370530, now seen corresponding path program 2 times [2019-11-25 08:49:07,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691422180] [2019-11-25 08:49:07,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691422180] [2019-11-25 08:49:07,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:07,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240375776] [2019-11-25 08:49:07,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:07,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:07,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:07,450 INFO L87 Difference]: Start difference. First operand 275 states and 724 transitions. Second operand 6 states. [2019-11-25 08:49:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,567 INFO L93 Difference]: Finished difference Result 221 states and 562 transitions. [2019-11-25 08:49:07,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:49:07,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,568 INFO L225 Difference]: With dead ends: 221 [2019-11-25 08:49:07,568 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:49:07,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:49:07,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:49:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:49:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:49:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:49:07,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-25 08:49:07,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,570 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:07,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:07,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:07,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:49:07,573 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:49:07,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:49:07 BasicIcfg [2019-11-25 08:49:07,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:49:07,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:07,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:07,576 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:07,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:05" (3/4) ... [2019-11-25 08:49:07,588 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:49:07,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:49:07,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:49:07,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:49:07,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:49:07,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:49:07,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:49:07,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbc6d736-80a0-40de-8fd7-dd05e9bef4e5/bin/uautomizer/witness.graphml [2019-11-25 08:49:07,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:07,678 INFO L168 Benchmark]: Toolchain (without parser) took 3207.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 923.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 190.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,678 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-25 08:49:07,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.69 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. [2019-11-25 08:49:07,679 INFO L168 Benchmark]: Boogie Preprocessor took 24.76 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. [2019-11-25 08:49:07,680 INFO L168 Benchmark]: RCFGBuilder took 422.01 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,681 INFO L168 Benchmark]: TraceAbstraction took 1994.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.9 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,685 INFO L168 Benchmark]: Witness Printer took 101.05 ms. Allocated memory is still 1.2 GB. Free memory is still 923.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,687 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 617.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.69 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 24.76 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 422.01 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1994.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.9 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * Witness Printer took 101.05 ms. Allocated memory is still 1.2 GB. Free memory is still 923.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 88 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 222 SDtfs, 265 SDslu, 485 SDs, 0 SdLazy, 68 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 11653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...