./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/terminator_02_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/terminator_02_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/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 73643ecf8e1581c13142517bcc63dc5d77c96d29 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:41:06,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:41:06,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:41:06,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:41:06,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:41:06,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:41:06,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:41:06,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:41:06,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:41:06,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:41:06,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:41:06,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:41:06,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:41:06,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:41:06,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:41:06,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:41:06,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:41:06,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:41:06,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:41:06,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:41:06,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:41:06,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:41:06,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:41:06,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:41:06,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:41:06,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:41:06,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:41:06,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:41:06,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:41:06,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:41:06,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:41:06,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:41:06,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:41:06,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:41:06,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:41:06,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:41:06,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 00:41:06,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:41:06,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:41:06,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:41:06,896 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:41:06,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:41:06,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:41:06,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:41:06,898 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:41:06,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:41:06,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:41:06,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:41:06,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:41:06,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:41:06,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/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 -> 73643ecf8e1581c13142517bcc63dc5d77c96d29 [2018-11-23 00:41:06,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:41:06,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:41:06,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:41:06,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:41:06,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:41:06,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/../../sv-benchmarks/c/loops/terminator_02_false-unreach-call_true-termination.i [2018-11-23 00:41:06,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/data/a3baf1ba1/66c01bf3c6ef4e1d93f05fb03f8a3fc7/FLAGe5a10b8d1 [2018-11-23 00:41:07,367 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:41:07,367 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/sv-benchmarks/c/loops/terminator_02_false-unreach-call_true-termination.i [2018-11-23 00:41:07,371 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/data/a3baf1ba1/66c01bf3c6ef4e1d93f05fb03f8a3fc7/FLAGe5a10b8d1 [2018-11-23 00:41:07,381 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/uautomizer/data/a3baf1ba1/66c01bf3c6ef4e1d93f05fb03f8a3fc7 [2018-11-23 00:41:07,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:41:07,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:41:07,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:41:07,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:41:07,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:41:07,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108971e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07, skipping insertion in model container [2018-11-23 00:41:07,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:41:07,408 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:41:07,505 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:41:07,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:41:07,517 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:41:07,526 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:41:07,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07 WrapperNode [2018-11-23 00:41:07,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:41:07,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:41:07,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:41:07,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:41:07,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:41:07,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:41:07,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:41:07,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:41:07,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... [2018-11-23 00:41:07,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:41:07,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:41:07,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:41:07,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:41:07,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a32fd0e4-d8ac-4b3d-8feb-d7f4f9f7ccb6/bin-2019/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 [2018-11-23 00:41:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:41:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:41:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:41:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:41:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:41:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:41:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 00:41:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 00:41:07,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:41:07,768 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:41:07,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:07 BoogieIcfgContainer [2018-11-23 00:41:07,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:41:07,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:41:07,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:41:07,771 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:41:07,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:41:07" (1/3) ... [2018-11-23 00:41:07,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3843a1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:07, skipping insertion in model container [2018-11-23 00:41:07,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:07" (2/3) ... [2018-11-23 00:41:07,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3843a1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:07, skipping insertion in model container [2018-11-23 00:41:07,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:07" (3/3) ... [2018-11-23 00:41:07,774 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_false-unreach-call_true-termination.i [2018-11-23 00:41:07,782 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:41:07,788 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:41:07,802 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:41:07,827 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:41:07,828 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:41:07,828 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:41:07,828 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:41:07,828 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:41:07,828 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:41:07,829 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:41:07,829 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:41:07,829 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:41:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 00:41:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:41:07,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:07,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:41:07,851 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:07,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1712329921, now seen corresponding path program 1 times [2018-11-23 00:41:07,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:41:07,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:41:07,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:07,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:07,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:41:07,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:07,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:41:07,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:41:07,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:41:07,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:41:07,964 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 00:41:07,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:07,978 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2018-11-23 00:41:07,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:41:07,980 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 00:41:07,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:07,986 INFO L225 Difference]: With dead ends: 31 [2018-11-23 00:41:07,987 INFO L226 Difference]: Without dead ends: 12 [2018-11-23 00:41:07,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:41:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-23 00:41:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 00:41:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 00:41:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2018-11-23 00:41:08,019 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2018-11-23 00:41:08,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:08,020 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2018-11-23 00:41:08,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:41:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-23 00:41:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:41:08,020 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:08,020 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:41:08,021 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:08,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1703094711, now seen corresponding path program 1 times [2018-11-23 00:41:08,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:41:08,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:41:08,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:08,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:08,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:41:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:41:08,046 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #38#return; [?] CALL call #t~ret7 := main(); [?] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~y~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~z~0 := #t~nondet2;havoc #t~nondet2; VAL [main_~x~0=100, main_~y~0=0, main_~z~0=0] [?] assume !(~x~0 < 100 && 100 < ~z~0); VAL [main_~x~0=100, main_~y~0=0, main_~z~0=0] [?] CALL call __VERIFIER_assert(0); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] assume !(~x~0 < 100 && 100 < ~z~0); VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] assume !(~x~0 < 100 && 100 < ~z~0); VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] COND TRUE !(~x~0 < 100 && 100 < ~z~0) VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] COND TRUE !(~x~0 < 100 && 100 < ~z~0) VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] COND TRUE !(~x~0 < 100 && 100 < ~z~0) VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret7 := main(); [L14] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L14] ~x~0 := #t~nondet0; [L14] havoc #t~nondet0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~y~0 := #t~nondet1; [L15] havoc #t~nondet1; [L16] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L16] ~z~0 := #t~nondet2; [L16] havoc #t~nondet2; VAL [~x~0=100, ~y~0=0, ~z~0=0] [L18-L30] COND TRUE !(~x~0 < 100 && 100 < ~z~0) VAL [~x~0=100, ~y~0=0, ~z~0=0] [L32] CALL call __VERIFIER_assert(0); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100