./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/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 185346c539430585f07637e43725e730308f06de ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:18:12,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:18:12,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:18:12,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:18:12,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:18:12,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:18:12,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:18:12,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:18:12,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:18:12,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:18:12,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:18:12,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:18:12,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:18:12,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:18:12,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:18:12,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:18:12,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:18:12,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:18:12,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:18:12,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:18:12,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:18:12,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:18:12,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:18:12,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:18:12,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:18:12,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:18:12,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:18:12,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:18:12,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:18:12,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:18:12,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:18:12,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:18:12,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:18:12,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:18:12,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:18:12,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:18:12,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:18:12,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:18:12,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:18:12,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:18:12,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:18:12,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:18:12,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:18:12,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:18:12,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:18:12,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:18:12,804 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:18:12,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:18:12,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:18:12,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:18:12,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:18:12,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:18:12,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:18:12,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:18:12,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:18:12,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:18:12,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:18:12,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:18:12,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:18:12,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:18:12,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:18:12,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:18:12,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:18:12,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:18:12,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:18:12,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:18:12,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:18:12,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:18:12,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:18:12,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:18:12,809 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_70365767-d7bd-45de-ae82-df17f9204a54/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 -> 185346c539430585f07637e43725e730308f06de [2019-11-16 00:18:12,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:18:12,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:18:12,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:18:12,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:18:12,868 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:18:12,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.oepc.i [2019-11-16 00:18:12,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/data/271332bfd/338b64088b8f488a967d5a72ff43c4fb/FLAGb39320196 [2019-11-16 00:18:13,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:18:13,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/sv-benchmarks/c/pthread-wmm/safe001_tso.oepc.i [2019-11-16 00:18:13,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/data/271332bfd/338b64088b8f488a967d5a72ff43c4fb/FLAGb39320196 [2019-11-16 00:18:13,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/data/271332bfd/338b64088b8f488a967d5a72ff43c4fb [2019-11-16 00:18:13,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:18:13,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:18:13,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:13,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:18:13,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:18:13,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:13" (1/1) ... [2019-11-16 00:18:13,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390b2ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:13, skipping insertion in model container [2019-11-16 00:18:13,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:13" (1/1) ... [2019-11-16 00:18:13,660 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:18:13,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:18:14,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:14,191 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:18:14,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:14,335 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:18:14,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14 WrapperNode [2019-11-16 00:18:14,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:14,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:14,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:18:14,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:18:14,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:14,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:18:14,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:18:14,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:18:14,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... [2019-11-16 00:18:14,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:18:14,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:18:14,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:18:14,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:18:14,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/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 [2019-11-16 00:18:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:18:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-16 00:18:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:18:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:18:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-16 00:18:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-16 00:18:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-16 00:18:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-16 00:18:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-16 00:18:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-16 00:18:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-16 00:18:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:18:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:18:14,484 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-16 00:18:14,777 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:18:14,777 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:18:14,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:14 BoogieIcfgContainer [2019-11-16 00:18:14,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:18:14,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:18:14,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:18:14,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:18:14,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:18:13" (1/3) ... [2019-11-16 00:18:14,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:18:14, skipping insertion in model container [2019-11-16 00:18:14,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:14" (2/3) ... [2019-11-16 00:18:14,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d27a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:18:14, skipping insertion in model container [2019-11-16 00:18:14,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:14" (3/3) ... [2019-11-16 00:18:14,783 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc.i [2019-11-16 00:18:14,814 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,814 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,814 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,814 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,815 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,815 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,816 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,816 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,816 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,816 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,816 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,817 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,817 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,817 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,817 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,818 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,818 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,818 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:18:14,836 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-16 00:18:14,836 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:18:14,845 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:18:14,856 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:18:14,877 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:18:14,877 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:18:14,878 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:18:14,878 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:18:14,878 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:18:14,878 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:18:14,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:18:14,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:18:14,892 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-16 00:18:14,984 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-16 00:18:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-16 00:18:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-16 00:18:15,012 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:15,013 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:18:15,015 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:15,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:15,021 INFO L82 PathProgramCache]: Analyzing trace with hash -857348024, now seen corresponding path program 1 times [2019-11-16 00:18:15,029 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:15,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383342149] [2019-11-16 00:18:15,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:15,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383342149] [2019-11-16 00:18:15,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:15,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:18:15,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877290421] [2019-11-16 00:18:15,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:18:15,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:15,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:18:15,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:18:15,371 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-16 00:18:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:15,469 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-16 00:18:15,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:18:15,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-16 00:18:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:15,492 INFO L225 Difference]: With dead ends: 1293 [2019-11-16 00:18:15,492 INFO L226 Difference]: Without dead ends: 599 [2019-11-16 00:18:15,494 INFO L600 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 [2019-11-16 00:18:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-16 00:18:15,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-16 00:18:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-16 00:18:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-16 00:18:15,586 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-16 00:18:15,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:15,587 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-16 00:18:15,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:18:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-16 00:18:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-16 00:18:15,593 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:15,593 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:18:15,594 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:15,594 INFO L82 PathProgramCache]: Analyzing trace with hash -809007092, now seen corresponding path program 1 times [2019-11-16 00:18:15,594 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:15,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851348157] [2019-11-16 00:18:15,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:15,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851348157] [2019-11-16 00:18:15,794 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:15,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:18:15,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359280024] [2019-11-16 00:18:15,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:18:15,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:15,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:18:15,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:18:15,797 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-16 00:18:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:15,877 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-16 00:18:15,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:18:15,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-16 00:18:15,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:15,884 INFO L225 Difference]: With dead ends: 599 [2019-11-16 00:18:15,884 INFO L226 Difference]: Without dead ends: 536 [2019-11-16 00:18:15,885 INFO L600 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 [2019-11-16 00:18:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-16 00:18:15,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-16 00:18:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-16 00:18:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-16 00:18:15,914 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-16 00:18:15,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:15,921 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-16 00:18:15,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:18:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-16 00:18:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:18:15,923 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:15,923 INFO L380 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] [2019-11-16 00:18:15,924 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:15,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:15,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1329129682, now seen corresponding path program 1 times [2019-11-16 00:18:15,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:15,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008548495] [2019-11-16 00:18:15,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:15,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:16,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008548495] [2019-11-16 00:18:16,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:16,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:18:16,080 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373127198] [2019-11-16 00:18:16,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:18:16,081 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:16,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:18:16,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:18:16,081 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-16 00:18:16,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:16,171 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-16 00:18:16,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:18:16,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-16 00:18:16,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:16,174 INFO L225 Difference]: With dead ends: 401 [2019-11-16 00:18:16,175 INFO L226 Difference]: Without dead ends: 347 [2019-11-16 00:18:16,175 INFO L600 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 [2019-11-16 00:18:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-16 00:18:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-16 00:18:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-16 00:18:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-16 00:18:16,187 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-16 00:18:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:16,188 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-16 00:18:16,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:18:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-16 00:18:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:18:16,190 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:16,190 INFO L380 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] [2019-11-16 00:18:16,190 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:16,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:16,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2041570769, now seen corresponding path program 1 times [2019-11-16 00:18:16,191 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:16,191 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86892077] [2019-11-16 00:18:16,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:16,192 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:16,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:16,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86892077] [2019-11-16 00:18:16,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:16,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:18:16,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022294121] [2019-11-16 00:18:16,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:18:16,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:16,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:18:16,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:18:16,365 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 8 states. [2019-11-16 00:18:16,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:16,633 INFO L93 Difference]: Finished difference Result 680 states and 1852 transitions. [2019-11-16 00:18:16,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:18:16,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-16 00:18:16,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:16,637 INFO L225 Difference]: With dead ends: 680 [2019-11-16 00:18:16,637 INFO L226 Difference]: Without dead ends: 326 [2019-11-16 00:18:16,637 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:18:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-16 00:18:16,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2019-11-16 00:18:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-11-16 00:18:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 856 transitions. [2019-11-16 00:18:16,649 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 856 transitions. Word has length 32 [2019-11-16 00:18:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:16,650 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 856 transitions. [2019-11-16 00:18:16,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:18:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 856 transitions. [2019-11-16 00:18:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:18:16,652 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:16,652 INFO L380 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] [2019-11-16 00:18:16,652 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:16,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:16,653 INFO L82 PathProgramCache]: Analyzing trace with hash 19289033, now seen corresponding path program 2 times [2019-11-16 00:18:16,653 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:16,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897277644] [2019-11-16 00:18:16,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:16,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:16,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:16,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897277644] [2019-11-16 00:18:16,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:16,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:18:16,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698292626] [2019-11-16 00:18:16,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:18:16,830 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:16,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:18:16,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:18:16,831 INFO L87 Difference]: Start difference. First operand 326 states and 856 transitions. Second operand 7 states. [2019-11-16 00:18:16,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:16,984 INFO L93 Difference]: Finished difference Result 533 states and 1420 transitions. [2019-11-16 00:18:16,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:18:16,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-16 00:18:16,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:16,988 INFO L225 Difference]: With dead ends: 533 [2019-11-16 00:18:16,988 INFO L226 Difference]: Without dead ends: 299 [2019-11-16 00:18:16,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:18:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-11-16 00:18:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2019-11-16 00:18:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-11-16 00:18:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 790 transitions. [2019-11-16 00:18:17,000 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 790 transitions. Word has length 32 [2019-11-16 00:18:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:17,001 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 790 transitions. [2019-11-16 00:18:17,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:18:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 790 transitions. [2019-11-16 00:18:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:18:17,006 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:17,006 INFO L380 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] [2019-11-16 00:18:17,007 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:18:17,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash -2114330381, now seen corresponding path program 3 times [2019-11-16 00:18:17,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:17,008 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34155505] [2019-11-16 00:18:17,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:17,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:17,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:17,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34155505] [2019-11-16 00:18:17,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:17,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:18:17,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715258580] [2019-11-16 00:18:17,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:18:17,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:17,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:18:17,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:18:17,210 INFO L87 Difference]: Start difference. First operand 299 states and 790 transitions. Second operand 7 states. [2019-11-16 00:18:17,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:17,286 INFO L93 Difference]: Finished difference Result 245 states and 628 transitions. [2019-11-16 00:18:17,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:18:17,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-16 00:18:17,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:17,286 INFO L225 Difference]: With dead ends: 245 [2019-11-16 00:18:17,287 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:18:17,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:18:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:18:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:18:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:18:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:18:17,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-16 00:18:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:17,288 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:17,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:18:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:18:17,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:18:17,291 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-16 00:18:17,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:18:17 BasicIcfg [2019-11-16 00:18:17,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:18:17,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:18:17,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:18:17,294 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:18:17,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:14" (3/4) ... [2019-11-16 00:18:17,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:18:17,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-16 00:18:17,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-16 00:18:17,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-16 00:18:17,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:18:17,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:18:17,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70365767-d7bd-45de-ae82-df17f9204a54/bin/uautomizer/witness.graphml [2019-11-16 00:18:17,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:18:17,368 INFO L168 Benchmark]: Toolchain (without parser) took 3723.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:17,369 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-16 00:18:17,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:17,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.65 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. [2019-11-16 00:18:17,370 INFO L168 Benchmark]: Boogie Preprocessor took 36.91 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. [2019-11-16 00:18:17,370 INFO L168 Benchmark]: RCFGBuilder took 363.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:17,371 INFO L168 Benchmark]: TraceAbstraction took 2514.56 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: -31.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:17,376 INFO L168 Benchmark]: Witness Printer took 72.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:17,380 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.65 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 36.91 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 363.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2514.56 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: -31.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 72.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 7 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 271 SDtfs, 397 SDslu, 735 SDs, 0 SdLazy, 117 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 17066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...