./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_pso.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_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2a345af5d6f13ead3ee6626526882fdf8003804 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:01:47,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:47,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:47,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:47,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:47,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:47,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:47,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:47,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:47,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:47,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:47,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:47,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:47,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:47,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:47,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:47,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:47,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:47,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:47,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:47,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:47,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:47,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:47,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:47,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:47,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:47,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:47,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:47,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:47,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:47,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:47,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:47,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:47,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:47,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:47,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:47,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:47,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:47,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:47,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:47,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:47,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:01:47,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:47,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:47,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:47,246 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:01:47,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:01:47,246 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:01:47,246 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:01:47,247 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:01:47,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:01:47,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:01:47,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:01:47,247 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:01:47,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:01:47,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:01:47,248 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:01:47,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:47,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:47,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:47,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:47,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:47,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:47,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:47,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:47,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:47,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:47,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:47,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:47,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:47,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:01:47,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:01:47,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:47,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:47,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:47,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:01:47,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:47,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:47,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:01:47,255 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan 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 -> Taipan 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 -> e2a345af5d6f13ead3ee6626526882fdf8003804 [2019-11-26 03:01:47,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:47,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:47,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:47,451 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:47,452 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:47,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i [2019-11-26 03:01:47,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/data/56175c435/5db305681b1546c7bfce20f55f663825/FLAG9234a94be [2019-11-26 03:01:47,993 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:47,994 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i [2019-11-26 03:01:48,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/data/56175c435/5db305681b1546c7bfce20f55f663825/FLAG9234a94be [2019-11-26 03:01:48,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/data/56175c435/5db305681b1546c7bfce20f55f663825 [2019-11-26 03:01:48,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:48,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:48,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:48,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:48,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:48,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:48" (1/1) ... [2019-11-26 03:01:48,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e37ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:48, skipping insertion in model container [2019-11-26 03:01:48,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:48" (1/1) ... [2019-11-26 03:01:48,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:48,543 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:48,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:49,003 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:49,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:49,132 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:49,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49 WrapperNode [2019-11-26 03:01:49,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:49,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:49,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:49,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:49,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:49,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:49,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:49,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:49,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:49,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:49,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:49,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:49,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/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 [2019-11-26 03:01:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 03:01:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 03:01:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:01:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 03:01:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-26 03:01:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-26 03:01:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-26 03:01:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-26 03:01:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-26 03:01:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-26 03:01:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 03:01:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:49,329 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 03:01:49,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:49,733 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 03:01:49,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49 BoogieIcfgContainer [2019-11-26 03:01:49,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:49,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:01:49,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:01:49,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:01:49,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:01:48" (1/3) ... [2019-11-26 03:01:49,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b0a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:49, skipping insertion in model container [2019-11-26 03:01:49,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:49" (2/3) ... [2019-11-26 03:01:49,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b0a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:49, skipping insertion in model container [2019-11-26 03:01:49,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49" (3/3) ... [2019-11-26 03:01:49,741 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_pso.oepc.i [2019-11-26 03:01:49,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,787 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,787 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,788 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,788 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,788 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,789 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,789 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,789 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,789 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,789 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,790 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,790 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,790 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,790 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,791 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,791 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,791 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,792 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,792 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,792 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,792 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,792 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,793 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,793 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,793 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,803 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,804 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,804 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,805 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,805 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,806 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,806 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,806 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,806 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,807 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,807 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,807 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,807 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,808 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,808 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,808 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,808 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,809 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,809 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,809 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,809 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,809 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 03:01:49,853 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-26 03:01:49,853 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:01:49,860 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 03:01:49,874 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 03:01:49,895 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:01:49,895 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:01:49,896 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:01:49,896 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:01:49,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:01:49,897 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:01:49,897 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:01:49,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:01:49,914 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-26 03:01:50,072 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-26 03:01:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-26 03:01:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 03:01:50,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:50,103 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] [2019-11-26 03:01:50,103 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:50,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:50,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1332391185, now seen corresponding path program 1 times [2019-11-26 03:01:50,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:50,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024699696] [2019-11-26 03:01:50,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:50,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024699696] [2019-11-26 03:01:50,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:50,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 03:01:50,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959268732] [2019-11-26 03:01:50,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:01:50,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:01:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:01:50,465 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-26 03:01:50,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:50,634 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-26 03:01:50,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 03:01:50,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-26 03:01:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:50,667 INFO L225 Difference]: With dead ends: 1295 [2019-11-26 03:01:50,667 INFO L226 Difference]: Without dead ends: 601 [2019-11-26 03:01:50,669 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 [2019-11-26 03:01:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-26 03:01:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-26 03:01:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-26 03:01:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-26 03:01:50,767 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-26 03:01:50,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:50,768 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-26 03:01:50,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:01:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-26 03:01:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 03:01:50,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:50,771 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] [2019-11-26 03:01:50,771 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:50,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:50,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2126230951, now seen corresponding path program 1 times [2019-11-26 03:01:50,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:50,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886785810] [2019-11-26 03:01:50,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:50,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886785810] [2019-11-26 03:01:50,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:50,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 03:01:50,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686560764] [2019-11-26 03:01:50,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 03:01:50,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:50,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 03:01:50,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:01:50,934 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-26 03:01:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:51,017 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-26 03:01:51,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 03:01:51,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-26 03:01:51,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:51,024 INFO L225 Difference]: With dead ends: 601 [2019-11-26 03:01:51,024 INFO L226 Difference]: Without dead ends: 538 [2019-11-26 03:01:51,025 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 [2019-11-26 03:01:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-26 03:01:51,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-26 03:01:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-26 03:01:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-26 03:01:51,101 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-26 03:01:51,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:51,102 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-26 03:01:51,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 03:01:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-26 03:01:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 03:01:51,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:51,105 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:51,105 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:51,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1457325479, now seen corresponding path program 1 times [2019-11-26 03:01:51,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:51,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381995403] [2019-11-26 03:01:51,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:51,236 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381995403] [2019-11-26 03:01:51,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:51,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-26 03:01:51,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101546804] [2019-11-26 03:01:51,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 03:01:51,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:51,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 03:01:51,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-26 03:01:51,238 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-26 03:01:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:51,353 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-26 03:01:51,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 03:01:51,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-26 03:01:51,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:51,357 INFO L225 Difference]: With dead ends: 403 [2019-11-26 03:01:51,357 INFO L226 Difference]: Without dead ends: 349 [2019-11-26 03:01:51,358 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 [2019-11-26 03:01:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-26 03:01:51,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-26 03:01:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-26 03:01:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-26 03:01:51,375 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-26 03:01:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:51,375 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-26 03:01:51,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 03:01:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-26 03:01:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:01:51,377 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:51,377 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:51,378 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:51,378 INFO L82 PathProgramCache]: Analyzing trace with hash -706836169, now seen corresponding path program 1 times [2019-11-26 03:01:51,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:51,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511827054] [2019-11-26 03:01:51,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:51,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511827054] [2019-11-26 03:01:51,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:51,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-26 03:01:51,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752487027] [2019-11-26 03:01:51,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 03:01:51,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:51,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 03:01:51,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:01:51,560 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-26 03:01:51,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:51,798 INFO L93 Difference]: Finished difference Result 682 states and 1854 transitions. [2019-11-26 03:01:51,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 03:01:51,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-26 03:01:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:51,801 INFO L225 Difference]: With dead ends: 682 [2019-11-26 03:01:51,801 INFO L226 Difference]: Without dead ends: 253 [2019-11-26 03:01:51,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-11-26 03:01:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-26 03:01:51,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-26 03:01:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-26 03:01:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-11-26 03:01:51,813 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-11-26 03:01:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:51,813 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-11-26 03:01:51,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 03:01:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-11-26 03:01:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 03:01:51,815 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:51,815 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:51,815 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:51,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:51,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1944935359, now seen corresponding path program 2 times [2019-11-26 03:01:51,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:51,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414908806] [2019-11-26 03:01:51,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:52,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414908806] [2019-11-26 03:01:52,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:52,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-26 03:01:52,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856958890] [2019-11-26 03:01:52,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 03:01:52,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:52,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 03:01:52,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:01:52,025 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-11-26 03:01:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:52,161 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-11-26 03:01:52,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 03:01:52,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-26 03:01:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:52,162 INFO L225 Difference]: With dead ends: 199 [2019-11-26 03:01:52,162 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:01:52,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-26 03:01:52,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:01:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:01:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:01:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:01:52,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-26 03:01:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:52,163 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:01:52,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 03:01:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:01:52,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:01:52,166 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-26 03:01:52,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:01:52 BasicIcfg [2019-11-26 03:01:52,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:01:52,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:52,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:52,169 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:52,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49" (3/4) ... [2019-11-26 03:01:52,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:01:52,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-26 03:01:52,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-26 03:01:52,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-26 03:01:52,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 03:01:52,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 03:01:52,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:52,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c4a92e4-8e95-45c1-8171-241542c9ed46/bin/utaipan/witness.graphml [2019-11-26 03:01:52,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:52,268 INFO L168 Benchmark]: Toolchain (without parser) took 3787.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:52,268 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:52,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:52,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.14 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. [2019-11-26 03:01:52,270 INFO L168 Benchmark]: Boogie Preprocessor took 50.41 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. [2019-11-26 03:01:52,271 INFO L168 Benchmark]: RCFGBuilder took 481.84 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:52,276 INFO L168 Benchmark]: TraceAbstraction took 2433.25 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: -35.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:52,277 INFO L168 Benchmark]: Witness Printer took 97.00 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. [2019-11-26 03:01:52,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.14 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 50.41 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 481.84 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2433.25 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: -35.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 97.00 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 13 procedures, 90 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 223 SDtfs, 352 SDslu, 572 SDs, 0 SdLazy, 92 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 16491 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...