./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/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 e2a345af5d6f13ead3ee6626526882fdf8003804 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:35:51,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:35:51,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:35:51,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:35:51,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:35:51,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:35:51,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:35:51,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:35:51,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:35:51,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:35:51,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:35:51,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:35:51,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:35:51,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:35:51,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:35:51,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:35:51,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:35:51,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:35:51,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:35:51,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:35:51,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:35:51,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:35:51,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:35:51,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:35:51,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:35:51,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:35:51,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:35:51,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:35:51,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:35:51,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:35:51,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:35:51,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:35:51,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:35:51,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:35:51,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:35:51,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:35:51,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:35:51,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:35:51,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:35:51,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:35:51,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:35:51,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:35:51,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:35:51,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:35:51,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:35:51,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:35:51,895 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:35:51,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:35:51,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:35:51,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:35:51,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:35:51,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:35:51,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:35:51,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:35:51,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:35:51,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:35:51,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:35:51,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:35:51,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:35:51,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:35:51,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:35:51,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:35:51,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:35:51,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:35:51,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:35:51,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:35:51,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:35:51,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:35:51,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:35:51,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:35:51,901 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_920222c0-b274-4773-8ee2-91812198b28a/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 -> e2a345af5d6f13ead3ee6626526882fdf8003804 [2019-11-19 23:35:52,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:35:52,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:35:52,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:35:52,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:35:52,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:35:52,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i [2019-11-19 23:35:52,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/data/9d8da149a/77425a05af444fd098e0a00e606f3da5/FLAG1a1a5b48d [2019-11-19 23:35:52,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:35:52,674 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/sv-benchmarks/c/pthread-wmm/safe014_pso.oepc.i [2019-11-19 23:35:52,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/data/9d8da149a/77425a05af444fd098e0a00e606f3da5/FLAG1a1a5b48d [2019-11-19 23:35:53,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/data/9d8da149a/77425a05af444fd098e0a00e606f3da5 [2019-11-19 23:35:53,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:35:53,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:35:53,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:53,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:35:53,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:35:53,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67acf4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53, skipping insertion in model container [2019-11-19 23:35:53,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:35:53,062 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:35:53,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:53,556 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:35:53,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:35:53,703 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:35:53,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53 WrapperNode [2019-11-19 23:35:53,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:35:53,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:53,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:35:53,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:35:53,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:35:53,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:35:53,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:35:53,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:35:53,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... [2019-11-19 23:35:53,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:35:53,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:35:53,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:35:53,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:35:53,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/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 [2019-11-19 23:35:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:35:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 23:35:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:35:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:35:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 23:35:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 23:35:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 23:35:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 23:35:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 23:35:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 23:35:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 23:35:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:35:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:35:53,872 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 23:35:54,188 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:35:54,188 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 23:35:54,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:54 BoogieIcfgContainer [2019-11-19 23:35:54,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:35:54,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:35:54,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:35:54,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:35:54,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:35:53" (1/3) ... [2019-11-19 23:35:54,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1e4a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:54, skipping insertion in model container [2019-11-19 23:35:54,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:35:53" (2/3) ... [2019-11-19 23:35:54,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1e4a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:35:54, skipping insertion in model container [2019-11-19 23:35:54,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:54" (3/3) ... [2019-11-19 23:35:54,196 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_pso.oepc.i [2019-11-19 23:35:54,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,259 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,259 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,259 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,259 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,260 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,260 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,261 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,261 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,261 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,261 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,262 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,262 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,262 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,262 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,263 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,263 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,264 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,264 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,265 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,266 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,267 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,268 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,268 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,268 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,268 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,269 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,269 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,269 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,273 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,273 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,274 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,274 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,274 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,275 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,275 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,276 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:35:54,315 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 23:35:54,315 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:35:54,322 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:35:54,333 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:35:54,351 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:35:54,351 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:35:54,352 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:35:54,352 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:35:54,352 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:35:54,352 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:35:54,352 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:35:54,352 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:35:54,366 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-19 23:35:57,902 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31744 states. [2019-11-19 23:35:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 31744 states. [2019-11-19 23:35:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 23:35:57,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:57,970 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] [2019-11-19 23:35:57,971 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1461473904, now seen corresponding path program 1 times [2019-11-19 23:35:57,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:35:57,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832596274] [2019-11-19 23:35:57,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:35:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:35:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:35:58,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832596274] [2019-11-19 23:35:58,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:35:58,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:35:58,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91598392] [2019-11-19 23:35:58,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:35:58,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:35:58,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:35:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:35:58,321 INFO L87 Difference]: Start difference. First operand 31744 states. Second operand 4 states. [2019-11-19 23:35:58,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:35:58,939 INFO L93 Difference]: Finished difference Result 33013 states and 103293 transitions. [2019-11-19 23:35:58,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:35:58,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-19 23:35:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:35:59,085 INFO L225 Difference]: With dead ends: 33013 [2019-11-19 23:35:59,085 INFO L226 Difference]: Without dead ends: 14275 [2019-11-19 23:35:59,086 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 [2019-11-19 23:35:59,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2019-11-19 23:35:59,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14275. [2019-11-19 23:35:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14275 states. [2019-11-19 23:35:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 44298 transitions. [2019-11-19 23:35:59,862 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 44298 transitions. Word has length 31 [2019-11-19 23:35:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:35:59,863 INFO L462 AbstractCegarLoop]: Abstraction has 14275 states and 44298 transitions. [2019-11-19 23:35:59,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:35:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 44298 transitions. [2019-11-19 23:35:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:35:59,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:35:59,890 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] [2019-11-19 23:35:59,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:35:59,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:35:59,899 INFO L82 PathProgramCache]: Analyzing trace with hash -334066509, now seen corresponding path program 1 times [2019-11-19 23:35:59,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:35:59,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25203674] [2019-11-19 23:35:59,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:35:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:36:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:36:00,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25203674] [2019-11-19 23:36:00,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:36:00,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:36:00,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952301701] [2019-11-19 23:36:00,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:36:00,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:36:00,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:36:00,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:36:00,073 INFO L87 Difference]: Start difference. First operand 14275 states and 44298 transitions. Second operand 5 states. [2019-11-19 23:36:00,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:36:00,281 INFO L93 Difference]: Finished difference Result 14275 states and 42111 transitions. [2019-11-19 23:36:00,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:36:00,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 23:36:00,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:36:00,343 INFO L225 Difference]: With dead ends: 14275 [2019-11-19 23:36:00,343 INFO L226 Difference]: Without dead ends: 12574 [2019-11-19 23:36:00,344 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 [2019-11-19 23:36:00,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2019-11-19 23:36:00,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 12574. [2019-11-19 23:36:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12574 states. [2019-11-19 23:36:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 38061 transitions. [2019-11-19 23:36:00,765 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 38061 transitions. Word has length 32 [2019-11-19 23:36:00,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:36:00,765 INFO L462 AbstractCegarLoop]: Abstraction has 12574 states and 38061 transitions. [2019-11-19 23:36:00,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:36:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 38061 transitions. [2019-11-19 23:36:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:36:00,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:36:00,796 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] [2019-11-19 23:36:00,797 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:36:00,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:36:00,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1797451749, now seen corresponding path program 1 times [2019-11-19 23:36:00,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:36:00,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941690022] [2019-11-19 23:36:00,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:36:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:36:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:36:00,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941690022] [2019-11-19 23:36:00,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:36:00,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 23:36:00,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106236638] [2019-11-19 23:36:00,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:36:00,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:36:00,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:36:00,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:36:00,916 INFO L87 Difference]: Start difference. First operand 12574 states and 38061 transitions. Second operand 6 states. [2019-11-19 23:36:01,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:36:01,263 INFO L93 Difference]: Finished difference Result 8929 states and 24939 transitions. [2019-11-19 23:36:01,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:36:01,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-19 23:36:01,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:36:01,284 INFO L225 Difference]: With dead ends: 8929 [2019-11-19 23:36:01,285 INFO L226 Difference]: Without dead ends: 7471 [2019-11-19 23:36:01,285 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 [2019-11-19 23:36:01,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2019-11-19 23:36:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7471. [2019-11-19 23:36:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2019-11-19 23:36:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 21051 transitions. [2019-11-19 23:36:01,477 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 21051 transitions. Word has length 33 [2019-11-19 23:36:01,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:36:01,478 INFO L462 AbstractCegarLoop]: Abstraction has 7471 states and 21051 transitions. [2019-11-19 23:36:01,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:36:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 21051 transitions. [2019-11-19 23:36:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:36:01,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:36:01,491 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] [2019-11-19 23:36:01,491 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:36:01,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:36:01,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1887218720, now seen corresponding path program 1 times [2019-11-19 23:36:01,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:36:01,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427037274] [2019-11-19 23:36:01,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:36:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:36:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:36:01,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427037274] [2019-11-19 23:36:01,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:36:01,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 23:36:01,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402565105] [2019-11-19 23:36:01,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:36:01,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:36:01,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:36:01,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:36:01,726 INFO L87 Difference]: Start difference. First operand 7471 states and 21051 transitions. Second operand 8 states. [2019-11-19 23:36:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:36:02,043 INFO L93 Difference]: Finished difference Result 16462 states and 46404 transitions. [2019-11-19 23:36:02,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 23:36:02,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-19 23:36:02,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:36:02,062 INFO L225 Difference]: With dead ends: 16462 [2019-11-19 23:36:02,062 INFO L226 Difference]: Without dead ends: 6247 [2019-11-19 23:36:02,064 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 [2019-11-19 23:36:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6247 states. [2019-11-19 23:36:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6247 to 6247. [2019-11-19 23:36:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6247 states. [2019-11-19 23:36:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6247 states to 6247 states and 17586 transitions. [2019-11-19 23:36:02,206 INFO L78 Accepts]: Start accepts. Automaton has 6247 states and 17586 transitions. Word has length 34 [2019-11-19 23:36:02,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:36:02,207 INFO L462 AbstractCegarLoop]: Abstraction has 6247 states and 17586 transitions. [2019-11-19 23:36:02,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:36:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6247 states and 17586 transitions. [2019-11-19 23:36:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:36:02,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:36:02,215 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] [2019-11-19 23:36:02,216 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:36:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:36:02,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2140647138, now seen corresponding path program 2 times [2019-11-19 23:36:02,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:36:02,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946749061] [2019-11-19 23:36:02,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:36:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:36:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:36:02,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946749061] [2019-11-19 23:36:02,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:36:02,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 23:36:02,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660047552] [2019-11-19 23:36:02,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:36:02,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:36:02,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:36:02,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:36:02,422 INFO L87 Difference]: Start difference. First operand 6247 states and 17586 transitions. Second operand 8 states. [2019-11-19 23:36:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:36:02,580 INFO L93 Difference]: Finished difference Result 4789 states and 13212 transitions. [2019-11-19 23:36:02,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:36:02,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-19 23:36:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:36:02,581 INFO L225 Difference]: With dead ends: 4789 [2019-11-19 23:36:02,581 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:36:02,582 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 [2019-11-19 23:36:02,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:36:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:36:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:36:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:36:02,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-19 23:36:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:36:02,583 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:36:02,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:36:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:36:02,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:36:02,586 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 23:36:02,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:36:02 BasicIcfg [2019-11-19 23:36:02,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:36:02,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:36:02,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:36:02,589 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:36:02,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:35:54" (3/4) ... [2019-11-19 23:36:02,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:36:02,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 23:36:02,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 23:36:02,604 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 23:36:02,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 23:36:02,612 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:36:02,612 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:36:02,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_920222c0-b274-4773-8ee2-91812198b28a/bin/uautomizer/witness.graphml [2019-11-19 23:36:02,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:36:02,665 INFO L168 Benchmark]: Toolchain (without parser) took 9658.05 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 471.3 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -93.2 MB). Peak memory consumption was 378.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,665 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-19 23:36:02,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:36:02,670 INFO L168 Benchmark]: Boogie Preprocessor took 56.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,671 INFO L168 Benchmark]: RCFGBuilder took 386.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,675 INFO L168 Benchmark]: TraceAbstraction took 8398.20 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.5 MB). Peak memory consumption was 375.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,676 INFO L168 Benchmark]: Witness Printer took 74.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:36:02,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 696.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 386.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8398.20 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.5 MB). Peak memory consumption was 375.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 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: 8.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 397 SDtfs, 831 SDslu, 1050 SDs, 0 SdLazy, 180 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31744occurred 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: 1.5s 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, 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...