./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe000_tso.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_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe000_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/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 5c92fb673e1abae2508967df9896bc7f2db4e949 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:05:09,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:05:09,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:05:09,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:05:09,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:05:09,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:05:09,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:05:09,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:05:09,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:05:09,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:05:09,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:05:09,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:05:09,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:05:09,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:05:09,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:05:09,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:05:09,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:05:09,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:05:09,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:05:09,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:05:09,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:05:09,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:05:09,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:05:09,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:05:09,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:05:09,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:05:09,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:05:09,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:05:09,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:05:09,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:05:09,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:05:09,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:05:09,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:05:09,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:05:09,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:05:09,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:05:09,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:05:09,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:05:09,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:05:09,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:05:09,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:05:09,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:05:09,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:05:09,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:05:09,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:05:09,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:05:09,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:05:09,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:05:09,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:05:09,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:05:09,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:05:09,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:05:09,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:05:09,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:05:09,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:05:09,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:05:09,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:05:09,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:05:09,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:05:09,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:05:09,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:05:09,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:05:09,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:05:09,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:05:09,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:05:09,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:05:09,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:05:09,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:05:09,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:05:09,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:05:09,872 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_bb66780b-86c0-4471-9095-ccca29f4d267/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 -> 5c92fb673e1abae2508967df9896bc7f2db4e949 [2019-11-20 05:05:10,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:05:10,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:05:10,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:05:10,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:05:10,124 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:05:10,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe000_tso.oepc.i [2019-11-20 05:05:10,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/data/30e05d86b/8cfd8b83fc8e452c9732c1daf7e77887/FLAG2e04c6588 [2019-11-20 05:05:10,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:05:10,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/sv-benchmarks/c/pthread-wmm/safe000_tso.oepc.i [2019-11-20 05:05:10,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/data/30e05d86b/8cfd8b83fc8e452c9732c1daf7e77887/FLAG2e04c6588 [2019-11-20 05:05:11,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/data/30e05d86b/8cfd8b83fc8e452c9732c1daf7e77887 [2019-11-20 05:05:11,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:05:11,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:05:11,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:05:11,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:05:11,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:05:11,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f20ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11, skipping insertion in model container [2019-11-20 05:05:11,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:05:11,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:05:11,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:05:11,585 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:05:11,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:05:11,715 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:05:11,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11 WrapperNode [2019-11-20 05:05:11,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:05:11,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:05:11,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:05:11,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:05:11,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:05:11,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:05:11,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:05:11,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:05:11,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... [2019-11-20 05:05:11,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:05:11,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:05:11,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:05:11,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:05:11,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/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 [2019-11-20 05:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 05:05:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:05:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:05:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 05:05:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 05:05:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 05:05:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 05:05:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 05:05:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 05:05:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 05:05:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:05:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:05:11,865 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 05:05:12,211 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:05:12,211 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 05:05:12,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:12 BoogieIcfgContainer [2019-11-20 05:05:12,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:05:12,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:05:12,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:05:12,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:05:12,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:05:11" (1/3) ... [2019-11-20 05:05:12,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb2d4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:05:12, skipping insertion in model container [2019-11-20 05:05:12,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:11" (2/3) ... [2019-11-20 05:05:12,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb2d4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:05:12, skipping insertion in model container [2019-11-20 05:05:12,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:12" (3/3) ... [2019-11-20 05:05:12,220 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_tso.oepc.i [2019-11-20 05:05:12,266 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,267 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,267 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,267 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,267 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,268 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,268 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,269 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,270 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,271 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,271 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,272 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,272 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,273 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,273 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,274 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,274 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,274 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,274 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,275 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,275 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,275 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,276 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,276 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,276 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,276 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,276 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,277 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,277 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,277 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,277 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,278 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,278 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:05:12,317 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 05:05:12,317 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:05:12,325 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:05:12,336 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:05:12,356 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:05:12,356 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:05:12,356 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:05:12,356 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:05:12,356 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:05:12,356 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:05:12,357 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:05:12,357 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:05:12,370 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-20 05:05:16,716 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31744 states. [2019-11-20 05:05:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 31744 states. [2019-11-20 05:05:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 05:05:16,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:05:16,790 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] [2019-11-20 05:05:16,791 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:05:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:16,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1461473904, now seen corresponding path program 1 times [2019-11-20 05:05:16,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:16,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040680395] [2019-11-20 05:05:16,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:17,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040680395] [2019-11-20 05:05:17,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:17,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:05:17,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148822353] [2019-11-20 05:05:17,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:05:17,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:05:17,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:05:17,255 INFO L87 Difference]: Start difference. First operand 31744 states. Second operand 4 states. [2019-11-20 05:05:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:17,829 INFO L93 Difference]: Finished difference Result 33013 states and 103293 transitions. [2019-11-20 05:05:17,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:05:17,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-20 05:05:17,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:05:17,993 INFO L225 Difference]: With dead ends: 33013 [2019-11-20 05:05:17,994 INFO L226 Difference]: Without dead ends: 14275 [2019-11-20 05:05:17,995 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 [2019-11-20 05:05:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2019-11-20 05:05:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14275. [2019-11-20 05:05:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14275 states. [2019-11-20 05:05:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 44298 transitions. [2019-11-20 05:05:19,016 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 44298 transitions. Word has length 31 [2019-11-20 05:05:19,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:05:19,018 INFO L462 AbstractCegarLoop]: Abstraction has 14275 states and 44298 transitions. [2019-11-20 05:05:19,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:05:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 44298 transitions. [2019-11-20 05:05:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 05:05:19,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:05:19,047 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] [2019-11-20 05:05:19,048 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:05:19,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:19,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1970273794, now seen corresponding path program 1 times [2019-11-20 05:05:19,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:19,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682588204] [2019-11-20 05:05:19,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:19,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682588204] [2019-11-20 05:05:19,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:19,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:05:19,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328778416] [2019-11-20 05:05:19,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:05:19,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:19,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:05:19,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:05:19,273 INFO L87 Difference]: Start difference. First operand 14275 states and 44298 transitions. Second operand 5 states. [2019-11-20 05:05:19,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:19,500 INFO L93 Difference]: Finished difference Result 14275 states and 42111 transitions. [2019-11-20 05:05:19,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:05:19,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 05:05:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:05:19,565 INFO L225 Difference]: With dead ends: 14275 [2019-11-20 05:05:19,566 INFO L226 Difference]: Without dead ends: 12574 [2019-11-20 05:05:19,566 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 [2019-11-20 05:05:19,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2019-11-20 05:05:20,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 12574. [2019-11-20 05:05:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12574 states. [2019-11-20 05:05:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 38061 transitions. [2019-11-20 05:05:20,050 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 38061 transitions. Word has length 32 [2019-11-20 05:05:20,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:05:20,051 INFO L462 AbstractCegarLoop]: Abstraction has 12574 states and 38061 transitions. [2019-11-20 05:05:20,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:05:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 38061 transitions. [2019-11-20 05:05:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 05:05:20,073 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:05:20,074 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] [2019-11-20 05:05:20,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:05:20,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:20,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1345232477, now seen corresponding path program 1 times [2019-11-20 05:05:20,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:20,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550736295] [2019-11-20 05:05:20,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:20,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550736295] [2019-11-20 05:05:20,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:20,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:05:20,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279590209] [2019-11-20 05:05:20,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:05:20,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:20,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:05:20,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:05:20,205 INFO L87 Difference]: Start difference. First operand 12574 states and 38061 transitions. Second operand 6 states. [2019-11-20 05:05:20,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:20,430 INFO L93 Difference]: Finished difference Result 8929 states and 24939 transitions. [2019-11-20 05:05:20,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:05:20,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 05:05:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:05:20,456 INFO L225 Difference]: With dead ends: 8929 [2019-11-20 05:05:20,456 INFO L226 Difference]: Without dead ends: 7471 [2019-11-20 05:05:20,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:05:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2019-11-20 05:05:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7471. [2019-11-20 05:05:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2019-11-20 05:05:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 21051 transitions. [2019-11-20 05:05:20,960 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 21051 transitions. Word has length 33 [2019-11-20 05:05:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:05:20,961 INFO L462 AbstractCegarLoop]: Abstraction has 7471 states and 21051 transitions. [2019-11-20 05:05:20,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:05:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 21051 transitions. [2019-11-20 05:05:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:05:20,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:05:20,977 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] [2019-11-20 05:05:20,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:05:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1192566893, now seen corresponding path program 1 times [2019-11-20 05:05:20,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:20,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232585707] [2019-11-20 05:05:20,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:21,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232585707] [2019-11-20 05:05:21,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:21,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 05:05:21,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074502286] [2019-11-20 05:05:21,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:05:21,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:05:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:05:21,147 INFO L87 Difference]: Start difference. First operand 7471 states and 21051 transitions. Second operand 8 states. [2019-11-20 05:05:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:21,475 INFO L93 Difference]: Finished difference Result 16786 states and 47322 transitions. [2019-11-20 05:05:21,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 05:05:21,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-20 05:05:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:05:21,497 INFO L225 Difference]: With dead ends: 16786 [2019-11-20 05:05:21,497 INFO L226 Difference]: Without dead ends: 6715 [2019-11-20 05:05:21,498 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 [2019-11-20 05:05:21,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6715 states. [2019-11-20 05:05:21,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6715. [2019-11-20 05:05:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6715 states. [2019-11-20 05:05:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 18972 transitions. [2019-11-20 05:05:21,674 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 18972 transitions. Word has length 34 [2019-11-20 05:05:21,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:05:21,674 INFO L462 AbstractCegarLoop]: Abstraction has 6715 states and 18972 transitions. [2019-11-20 05:05:21,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:05:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 18972 transitions. [2019-11-20 05:05:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:05:21,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:05:21,686 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] [2019-11-20 05:05:21,686 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:05:21,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:05:21,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1390666295, now seen corresponding path program 2 times [2019-11-20 05:05:21,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:05:21,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744390157] [2019-11-20 05:05:21,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:05:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:21,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744390157] [2019-11-20 05:05:21,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:05:21,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 05:05:21,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053853621] [2019-11-20 05:05:21,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:05:21,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:05:21,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:05:21,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:05:21,902 INFO L87 Difference]: Start difference. First operand 6715 states and 18972 transitions. Second operand 8 states. [2019-11-20 05:05:22,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:05:22,066 INFO L93 Difference]: Finished difference Result 5257 states and 14598 transitions. [2019-11-20 05:05:22,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:05:22,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-20 05:05:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:05:22,073 INFO L225 Difference]: With dead ends: 5257 [2019-11-20 05:05:22,073 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:05:22,073 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 [2019-11-20 05:05:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:05:22,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:05:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:05:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:05:22,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-20 05:05:22,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:05:22,075 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:05:22,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:05:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:05:22,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:05:22,079 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 05:05:22,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:05:22 BasicIcfg [2019-11-20 05:05:22,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:05:22,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:05:22,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:05:22,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:05:22,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:12" (3/4) ... [2019-11-20 05:05:22,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:05:22,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 05:05:22,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 05:05:22,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 05:05:22,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 05:05:22,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 05:05:22,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:05:22,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb66780b-86c0-4471-9095-ccca29f4d267/bin/uautomizer/witness.graphml [2019-11-20 05:05:22,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:05:22,193 INFO L168 Benchmark]: Toolchain (without parser) took 11121.37 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 652.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -278.6 MB). Peak memory consumption was 373.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:05:22,193 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:05:22,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:05:22,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 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. [2019-11-20 05:05:22,198 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 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. [2019-11-20 05:05:22,199 INFO L168 Benchmark]: RCFGBuilder took 426.36 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: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:05:22,205 INFO L168 Benchmark]: TraceAbstraction took 9868.18 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 523.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.7 MB). Peak memory consumption was 357.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:05:22,206 INFO L168 Benchmark]: Witness Printer took 108.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:05:22,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.48 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 26.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 426.36 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: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9868.18 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 523.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.7 MB). Peak memory consumption was 357.1 MB. Max. memory is 11.5 GB. * Witness Printer took 108.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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: 9.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 851 SDslu, 1102 SDs, 0 SdLazy, 173 SolverSat, 116 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, 0.7s 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: 2.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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...