./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_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_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/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 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:55:12,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:12,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:12,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:12,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:12,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:12,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:12,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:12,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:12,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:12,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:12,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:12,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:12,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:12,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:12,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:12,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:12,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:12,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:12,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:12,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:12,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:12,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:12,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:12,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:12,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:12,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:12,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:12,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:12,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:12,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:12,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:12,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:12,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:12,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:12,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:12,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:12,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:12,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:12,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:12,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:12,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:55:12,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:12,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:12,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:12,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:12,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:12,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:12,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:12,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:12,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:12,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:12,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:12,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:12,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:12,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:12,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:12,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:12,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:12,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:12,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:12,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:12,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:12,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:12,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:12,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:12,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:12,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:12,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:55:12,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:12,989 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_18cccf01-159e-408f-8701-195220330ce5/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 -> 03a6a65b3d5e8f78378bbfe5cceeaaa543d2a603 [2019-11-25 08:55:13,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:13,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:13,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:13,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:13,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:13,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-25 08:55:13,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/data/12c7a3db7/7ca1b16604d645afb309cfdce6eab09c/FLAGf5d1982c5 [2019-11-25 08:55:13,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:13,696 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/sv-benchmarks/c/pthread-wmm/safe025_tso.oepc.i [2019-11-25 08:55:13,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/data/12c7a3db7/7ca1b16604d645afb309cfdce6eab09c/FLAGf5d1982c5 [2019-11-25 08:55:14,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/data/12c7a3db7/7ca1b16604d645afb309cfdce6eab09c [2019-11-25 08:55:14,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:14,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:14,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:14,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:14,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:14,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b083bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14, skipping insertion in model container [2019-11-25 08:55:14,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:14,102 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:14,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:14,477 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:14,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:14,629 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:14,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14 WrapperNode [2019-11-25 08:55:14,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:14,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:14,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:14,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:14,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:14,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:14,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:14,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:14,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... [2019-11-25 08:55:14,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:14,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:14,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:14,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:14,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/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 08:55:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:55:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:55:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:55:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:55:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:55:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:55:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:55:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:55:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:55:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:14,826 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 08:55:15,157 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:15,157 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:55:15,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:15 BoogieIcfgContainer [2019-11-25 08:55:15,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:15,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:15,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:15,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:15,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:14" (1/3) ... [2019-11-25 08:55:15,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3fd8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:15, skipping insertion in model container [2019-11-25 08:55:15,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:14" (2/3) ... [2019-11-25 08:55:15,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3fd8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:15, skipping insertion in model container [2019-11-25 08:55:15,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:15" (3/3) ... [2019-11-25 08:55:15,165 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_tso.oepc.i [2019-11-25 08:55:15,207 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,207 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,208 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,208 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,208 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,208 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,209 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,209 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,209 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,209 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,210 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,210 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,210 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,210 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,210 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,211 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,211 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,211 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,211 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,212 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,212 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,212 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,212 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,213 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,213 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,213 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,213 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,213 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,214 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,215 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,215 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,215 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,215 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,216 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,216 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,216 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,216 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,216 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,217 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,217 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,217 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,217 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,218 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,218 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,218 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,218 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,219 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,219 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,219 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,219 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,219 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:15,249 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:55:15,249 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:15,255 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:55:15,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:55:15,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:15,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:55:15,279 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:15,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:15,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:15,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:15,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:15,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:15,290 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-25 08:55:15,447 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-25 08:55:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-25 08:55:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:55:15,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:15,481 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 08:55:15,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:15,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:15,487 INFO L82 PathProgramCache]: Analyzing trace with hash -635633472, now seen corresponding path program 1 times [2019-11-25 08:55:15,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:15,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057944490] [2019-11-25 08:55:15,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:15,775 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 08:55:15,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057944490] [2019-11-25 08:55:15,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:15,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:15,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184518283] [2019-11-25 08:55:15,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:55:15,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:15,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:15,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:15,796 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-25 08:55:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:15,888 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-25 08:55:15,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:15,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-25 08:55:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:15,926 INFO L225 Difference]: With dead ends: 1295 [2019-11-25 08:55:15,927 INFO L226 Difference]: Without dead ends: 601 [2019-11-25 08:55:15,928 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 08:55:15,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-25 08:55:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-25 08:55:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-25 08:55:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-25 08:55:16,040 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-25 08:55:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:16,041 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-25 08:55:16,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:55:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-25 08:55:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:55:16,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:16,049 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 08:55:16,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:16,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:16,057 INFO L82 PathProgramCache]: Analyzing trace with hash -461286940, now seen corresponding path program 1 times [2019-11-25 08:55:16,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:16,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351947258] [2019-11-25 08:55:16,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:16,263 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 08:55:16,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351947258] [2019-11-25 08:55:16,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:16,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:55:16,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962535499] [2019-11-25 08:55:16,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:16,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:16,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:16,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:16,266 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-25 08:55:16,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:16,345 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-25 08:55:16,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:16,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:55:16,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:16,354 INFO L225 Difference]: With dead ends: 601 [2019-11-25 08:55:16,355 INFO L226 Difference]: Without dead ends: 538 [2019-11-25 08:55:16,357 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:55:16,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-25 08:55:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-25 08:55:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-25 08:55:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-25 08:55:16,405 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-25 08:55:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:16,405 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-25 08:55:16,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-25 08:55:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:16,407 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:16,408 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] [2019-11-25 08:55:16,408 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:16,409 INFO L82 PathProgramCache]: Analyzing trace with hash 75149544, now seen corresponding path program 1 times [2019-11-25 08:55:16,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:16,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342915744] [2019-11-25 08:55:16,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:16,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342915744] [2019-11-25 08:55:16,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:16,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:55:16,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287981903] [2019-11-25 08:55:16,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:55:16,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:55:16,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:55:16,560 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-25 08:55:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:16,674 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-25 08:55:16,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:16,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:55:16,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:16,678 INFO L225 Difference]: With dead ends: 403 [2019-11-25 08:55:16,678 INFO L226 Difference]: Without dead ends: 349 [2019-11-25 08:55:16,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:55:16,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-25 08:55:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-25 08:55:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-25 08:55:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-25 08:55:16,694 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-25 08:55:16,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:16,695 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-25 08:55:16,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:55:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-25 08:55:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:55:16,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:16,697 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] [2019-11-25 08:55:16,697 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:16,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:16,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1952851242, now seen corresponding path program 1 times [2019-11-25 08:55:16,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:16,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134389520] [2019-11-25 08:55:16,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:16,898 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 08:55:16,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134389520] [2019-11-25 08:55:16,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:16,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:55:16,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28733746] [2019-11-25 08:55:16,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:55:16,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:16,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:55:16,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:55:16,900 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-25 08:55:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:17,220 INFO L93 Difference]: Finished difference Result 727 states and 1959 transitions. [2019-11-25 08:55:17,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-25 08:55:17,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 08:55:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:17,223 INFO L225 Difference]: With dead ends: 727 [2019-11-25 08:55:17,223 INFO L226 Difference]: Without dead ends: 253 [2019-11-25 08:55:17,224 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2019-11-25 08:55:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-25 08:55:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-25 08:55:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-25 08:55:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-11-25 08:55:17,234 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-11-25 08:55:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:17,235 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-11-25 08:55:17,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:55:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-11-25 08:55:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:55:17,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:17,236 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] [2019-11-25 08:55:17,237 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:17,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1095395136, now seen corresponding path program 2 times [2019-11-25 08:55:17,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:17,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907275802] [2019-11-25 08:55:17,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:17,441 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 08:55:17,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907275802] [2019-11-25 08:55:17,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:17,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:55:17,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183899447] [2019-11-25 08:55:17,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:55:17,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:17,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:55:17,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:55:17,443 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-11-25 08:55:17,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:17,549 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-11-25 08:55:17,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:17,550 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 08:55:17,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:17,550 INFO L225 Difference]: With dead ends: 199 [2019-11-25 08:55:17,550 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:55:17,551 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 [2019-11-25 08:55:17,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:55:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:55:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:55:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:55:17,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-25 08:55:17,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:17,552 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:17,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:55:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:17,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:55:17,555 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:55:17,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:55:17 BasicIcfg [2019-11-25 08:55:17,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:55:17,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:17,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:17,559 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:17,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:15" (3/4) ... [2019-11-25 08:55:17,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:55:17,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:55:17,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:55:17,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:55:17,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:55:17,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:55:17,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:55:17,647 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18cccf01-159e-408f-8701-195220330ce5/bin/uautomizer/witness.graphml [2019-11-25 08:55:17,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:17,649 INFO L168 Benchmark]: Toolchain (without parser) took 3608.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 859.7 MB in the end (delta: 85.0 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:17,650 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-25 08:55:17,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:17,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.16 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 08:55:17,651 INFO L168 Benchmark]: Boogie Preprocessor took 50.01 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:17,652 INFO L168 Benchmark]: RCFGBuilder took 408.01 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:17,652 INFO L168 Benchmark]: TraceAbstraction took 2397.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 218.2 MB). Peak memory consumption was 218.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:17,653 INFO L168 Benchmark]: Witness Printer took 88.42 ms. Allocated memory is still 1.2 GB. Free memory is still 859.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:17,655 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 589.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.16 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 50.01 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 408.01 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2397.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 218.2 MB). Peak memory consumption was 218.2 MB. Max. memory is 11.5 GB. * Witness Printer took 88.42 ms. Allocated memory is still 1.2 GB. Free memory is still 859.7 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, 90 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 242 SDtfs, 370 SDslu, 665 SDs, 0 SdLazy, 103 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 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, 0.7s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 15897 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...