./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-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_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ............................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:44:07,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:44:07,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:44:07,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:44:07,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:44:07,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:44:07,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:44:07,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:44:07,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:44:07,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:44:07,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:44:07,481 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:44:07,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:44:07,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:44:07,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:44:07,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:44:07,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:44:07,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:44:07,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:44:07,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:44:07,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:44:07,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:44:07,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:44:07,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:44:07,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:44:07,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:44:07,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:44:07,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:44:07,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:44:07,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:44:07,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:44:07,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:44:07,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:44:07,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:44:07,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:44:07,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:44:07,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:44:07,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:44:07,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:44:07,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:44:07,503 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:44:07,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:44:07,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:44:07,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:44:07,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:44:07,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:44:07,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:44:07,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:44:07,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:44:07,507 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_6faf2f30-d572-4634-816d-86903c0d7933/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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2018-11-23 01:44:07,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:44:07,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:44:07,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:44:07,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:44:07,542 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:44:07,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 01:44:07,593 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/2032c7385/d799eaccad604c5284aa6e9f91a876ff/FLAGdb4aea354 [2018-11-23 01:44:07,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:44:07,923 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 01:44:07,927 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/2032c7385/d799eaccad604c5284aa6e9f91a876ff/FLAGdb4aea354 [2018-11-23 01:44:08,352 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/2032c7385/d799eaccad604c5284aa6e9f91a876ff [2018-11-23 01:44:08,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:44:08,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:44:08,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:08,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:44:08,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:44:08,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4baec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08, skipping insertion in model container [2018-11-23 01:44:08,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:44:08,379 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:44:08,496 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:08,498 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:44:08,514 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:08,523 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:44:08,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08 WrapperNode [2018-11-23 01:44:08,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:08,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:08,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:44:08,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:44:08,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:08,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:44:08,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:44:08,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:44:08,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... [2018-11-23 01:44:08,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:44:08,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:44:08,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:44:08,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:44:08,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/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 01:44:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure bugCasting [2018-11-23 01:44:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bugCasting [2018-11-23 01:44:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:44:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:44:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure bug [2018-11-23 01:44:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bug [2018-11-23 01:44:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:44:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:44:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:44:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:44:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure bugBrokenOut [2018-11-23 01:44:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bugBrokenOut [2018-11-23 01:44:08,735 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:44:08,735 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:44:08,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:08 BoogieIcfgContainer [2018-11-23 01:44:08,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:44:08,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:44:08,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:44:08,738 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:44:08,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:44:08" (1/3) ... [2018-11-23 01:44:08,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3dddb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:08, skipping insertion in model container [2018-11-23 01:44:08,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:08" (2/3) ... [2018-11-23 01:44:08,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3dddb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:08, skipping insertion in model container [2018-11-23 01:44:08,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:08" (3/3) ... [2018-11-23 01:44:08,741 INFO L112 eAbstractionObserver]: Analyzing ICFG float20_true-unreach-call_true-termination.i [2018-11-23 01:44:08,747 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:44:08,751 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 01:44:08,760 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 01:44:08,781 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:44:08,781 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:44:08,782 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:44:08,782 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:44:08,782 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:44:08,782 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:44:08,782 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:44:08,782 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:44:08,782 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:44:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-23 01:44:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:44:08,802 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:08,802 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:08,804 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bugCastingErr0ASSERT_VIOLATIONERROR_FUNCTION, bugErr0ASSERT_VIOLATIONERROR_FUNCTION, bugBrokenOutErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:08,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:08,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2055741580, now seen corresponding path program 1 times [2018-11-23 01:44:08,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:44:08,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:44:08,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:08,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:08,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:44:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:44:08,880 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #43#return; [?] CALL call #t~ret4 := main(); [?] ~f~1 := #t~nondet1;havoc #t~nondet1; VAL [main_~f~1=0.0] [?] CALL call bug(~f~1); VAL [|bug_#in~min|=0.0] [?] ~min := #in~min;assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0);~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2));~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [bug_~min=0.0, |bug_#in~min|=0.0] [?] assume !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38); VAL [bug_~min=0.0, |bug_#in~min|=0.0] [?] assume !false; VAL [bug_~min=0.0, |bug_#in~min|=0.0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] assume !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38); VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] assume !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38); VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] COND TRUE !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38) VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] COND TRUE !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38) VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] COND TRUE !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38) VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L37] ~f~1 := #t~nondet1; [L37] havoc #t~nondet1; VAL [~f~1=0.0] [L38] CALL call bug(~f~1); VAL [#in~min=0.0] [L5-L13] ~min := #in~min; [L6] assume 0 != (if ~someBinaryFLOATComparisonOperation(~min, 4.930380363757736E-32) then 1 else 0); [L7] ~modifier~0 := ~someBinaryArithmeticDOUBLEoperation(1.1920928955078125E-7, ~convertINTToDOUBLE(2)); [L8] ~ulpdiff~0 := ~someBinaryArithmeticFLOAToperation(~min, ~modifier~0); VAL [#in~min=0.0, ~min=0.0] [L10] COND TRUE !~someBinaryFLOATComparisonOperation(~ulpdiff~0, 1.1754943508222875E-38) VAL [#in~min=0.0, ~min=0.0] [L10] assert false; VAL [#in~min=0.0, ~min=0.0] [L37] float f=__VERIFIER_nondet_float(); [L38] CALL bug(f) VAL [\old(min)=0] [L7] float modifier = (0x1.0p-23 * (1<<1)); [L8] float ulpdiff = min * modifier; VAL [\old(min)=0, min=0] [L10] COND TRUE !(ulpdiff == 0x1p-126f) VAL [\old(min)=0, min=0] [L10] __VERIFIER_error() VAL [\old(min)=0, min=0] ----- [2018-11-23 01:44:08,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:44:08 BoogieIcfgContainer [2018-11-23 01:44:08,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:44:08,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:44:08,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:44:08,899 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:44:08,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:08" (3/4) ... [2018-11-23 01:44:08,901 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 01:44:08,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:44:08,902 INFO L168 Benchmark]: Toolchain (without parser) took 547.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:08,903 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:08,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.93 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:08,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.58 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:08,904 INFO L168 Benchmark]: Boogie Preprocessor took 10.79 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:08,904 INFO L168 Benchmark]: RCFGBuilder took 189.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:08,905 INFO L168 Benchmark]: TraceAbstraction took 162.89 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:08,905 INFO L168 Benchmark]: Witness Printer took 2.84 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. [2018-11-23 01:44:08,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.93 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.58 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.79 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 189.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 162.89 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L37] float f=__VERIFIER_nondet_float(); [L38] CALL bug(f) VAL [\old(min)=0] [L7] float modifier = (0x1.0p-23 * (1<<1)); [L8] float ulpdiff = min * modifier; VAL [\old(min)=0, min=0] [L10] COND TRUE !(ulpdiff == 0x1p-126f) VAL [\old(min)=0, min=0] [L10] __VERIFIER_error() VAL [\old(min)=0, min=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 33 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 01:44:10,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:44:10,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:44:10,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:44:10,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:44:10,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:44:10,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:44:10,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:44:10,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:44:10,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:44:10,349 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:44:10,349 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:44:10,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:44:10,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:44:10,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:44:10,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:44:10,352 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:44:10,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:44:10,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:44:10,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:44:10,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:44:10,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:44:10,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:44:10,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:44:10,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:44:10,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:44:10,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:44:10,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:44:10,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:44:10,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:44:10,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:44:10,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:44:10,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:44:10,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:44:10,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:44:10,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:44:10,363 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 01:44:10,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:44:10,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:44:10,373 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:44:10,373 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:44:10,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:44:10,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:44:10,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:44:10,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:44:10,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:44:10,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:44:10,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:44:10,377 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 01:44:10,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:44:10,377 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:44:10,377 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:44:10,377 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_6faf2f30-d572-4634-816d-86903c0d7933/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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2018-11-23 01:44:10,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:44:10,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:44:10,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:44:10,420 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:44:10,420 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:44:10,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 01:44:10,465 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/842f69c2c/e92a1ec47d214a57a48759a11c5ff507/FLAG89d2608e9 [2018-11-23 01:44:10,796 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:44:10,797 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 01:44:10,800 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/842f69c2c/e92a1ec47d214a57a48759a11c5ff507/FLAG89d2608e9 [2018-11-23 01:44:10,809 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/data/842f69c2c/e92a1ec47d214a57a48759a11c5ff507 [2018-11-23 01:44:10,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:44:10,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:44:10,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:10,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:44:10,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:44:10,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb7015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10, skipping insertion in model container [2018-11-23 01:44:10,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:10,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:44:10,836 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:44:10,962 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:10,965 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:44:10,982 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:10,992 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:44:10,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10 WrapperNode [2018-11-23 01:44:10,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:10,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:10,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:44:10,994 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:44:10,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:11,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:44:11,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:44:11,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:44:11,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... [2018-11-23 01:44:11,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:44:11,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:44:11,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:44:11,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:44:11,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/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 01:44:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure bugCasting [2018-11-23 01:44:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bugCasting [2018-11-23 01:44:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:44:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:44:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure bug [2018-11-23 01:44:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bug [2018-11-23 01:44:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:44:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:44:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:44:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:44:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure bugBrokenOut [2018-11-23 01:44:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bugBrokenOut [2018-11-23 01:44:11,759 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:44:11,759 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:44:11,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:11 BoogieIcfgContainer [2018-11-23 01:44:11,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:44:11,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:44:11,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:44:11,763 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:44:11,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:44:10" (1/3) ... [2018-11-23 01:44:11,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d06c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:11, skipping insertion in model container [2018-11-23 01:44:11,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:10" (2/3) ... [2018-11-23 01:44:11,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d06c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:11, skipping insertion in model container [2018-11-23 01:44:11,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:11" (3/3) ... [2018-11-23 01:44:11,765 INFO L112 eAbstractionObserver]: Analyzing ICFG float20_true-unreach-call_true-termination.i [2018-11-23 01:44:11,772 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:44:11,778 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 01:44:11,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 01:44:11,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:44:11,809 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:44:11,809 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:44:11,809 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:44:11,809 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:44:11,809 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:44:11,810 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:44:11,810 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:44:11,810 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:44:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-23 01:44:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:44:11,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:11,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:11,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bugCastingErr0ASSERT_VIOLATIONERROR_FUNCTION, bugErr0ASSERT_VIOLATIONERROR_FUNCTION, bugBrokenOutErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:11,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:11,832 INFO L82 PathProgramCache]: Analyzing trace with hash -2055741580, now seen corresponding path program 1 times [2018-11-23 01:44:11,835 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 01:44:11,835 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 01:44:11,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:11,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:44:12,150 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 01:44:12,150 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:44:12,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:44:12,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:44:12,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:44:12,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:44:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:12,174 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2018-11-23 01:44:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:44:12,217 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-11-23 01:44:12,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:44:12,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 01:44:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:44:12,229 INFO L225 Difference]: With dead ends: 56 [2018-11-23 01:44:12,229 INFO L226 Difference]: Without dead ends: 24 [2018-11-23 01:44:12,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-23 01:44:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-23 01:44:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 01:44:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2018-11-23 01:44:12,258 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 9 [2018-11-23 01:44:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:44:12,258 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2018-11-23 01:44:12,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:44:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2018-11-23 01:44:12,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 01:44:12,259 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:12,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:12,260 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bugCastingErr0ASSERT_VIOLATIONERROR_FUNCTION, bugErr0ASSERT_VIOLATIONERROR_FUNCTION, bugBrokenOutErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:12,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:12,260 INFO L82 PathProgramCache]: Analyzing trace with hash -807154991, now seen corresponding path program 1 times [2018-11-23 01:44:12,260 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 01:44:12,260 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 01:44:12,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:12,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:44:15,851 WARN L180 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 19 [2018-11-23 01:44:16,396 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 01:44:16,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:44:16,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:44:16,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:44:16,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:44:16,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:44:16,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:16,410 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 3 states. [2018-11-23 01:44:17,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:44:17,079 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-23 01:44:17,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:44:17,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-23 01:44:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:44:17,105 INFO L225 Difference]: With dead ends: 24 [2018-11-23 01:44:17,105 INFO L226 Difference]: Without dead ends: 22 [2018-11-23 01:44:17,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-23 01:44:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-23 01:44:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 01:44:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-11-23 01:44:17,110 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 15 [2018-11-23 01:44:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:44:17,111 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2018-11-23 01:44:17,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:44:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-11-23 01:44:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 01:44:17,111 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:17,111 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:17,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bugCastingErr0ASSERT_VIOLATIONERROR_FUNCTION, bugErr0ASSERT_VIOLATIONERROR_FUNCTION, bugBrokenOutErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:17,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash -241350324, now seen corresponding path program 1 times [2018-11-23 01:44:17,112 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 01:44:17,112 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 01:44:17,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:17,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:44:17,577 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 01:44:17,577 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:44:17,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:44:17,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:44:17,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:44:17,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:44:17,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:17,590 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 3 states. [2018-11-23 01:44:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:44:17,592 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 01:44:17,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:44:17,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-23 01:44:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:44:17,593 INFO L225 Difference]: With dead ends: 22 [2018-11-23 01:44:17,593 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:44:17,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:44:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:44:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:44:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:44:17,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-23 01:44:17,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:44:17,594 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:44:17,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:44:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:44:17,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:44:17,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:44:17,627 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point bugCastingErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point bugCastingEXIT(lines 26 34) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 26 34) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L451 ceAbstractionStarter]: At program point bugCastingENTRY(lines 26 34) the Hoare annotation is: true [2018-11-23 01:44:17,628 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:44:17,628 INFO L451 ceAbstractionStarter]: At program point bugENTRY(lines 5 13) the Hoare annotation is: true [2018-11-23 01:44:17,628 INFO L448 ceAbstractionStarter]: For program point bugErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point bugEXIT(lines 5 13) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point L10-3(lines 5 13) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 01:44:17,629 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:44:17,629 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 36 47) the Hoare annotation is: true [2018-11-23 01:44:17,629 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 36 47) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L451 ceAbstractionStarter]: At program point L44(line 44) the Hoare annotation is: true [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L451 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: true [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 36 47) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L451 ceAbstractionStarter]: At program point L38(line 38) the Hoare annotation is: true [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L38-1(line 38) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point bugBrokenOutEXIT(lines 15 24) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point bugBrokenOutErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-23 01:44:17,630 INFO L451 ceAbstractionStarter]: At program point bugBrokenOutENTRY(lines 15 24) the Hoare annotation is: true [2018-11-23 01:44:17,630 INFO L448 ceAbstractionStarter]: For program point L21-3(lines 15 24) no Hoare annotation was computed. [2018-11-23 01:44:17,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:44:17 BoogieIcfgContainer [2018-11-23 01:44:17,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:44:17,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:44:17,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:44:17,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:44:17,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:11" (3/4) ... [2018-11-23 01:44:17,636 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:44:17,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bugCasting [2018-11-23 01:44:17,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:44:17,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bug [2018-11-23 01:44:17,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:44:17,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bugBrokenOut [2018-11-23 01:44:17,644 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 01:44:17,644 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:44:17,644 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:44:17,670 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6faf2f30-d572-4634-816d-86903c0d7933/bin-2019/uautomizer/witness.graphml [2018-11-23 01:44:17,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:44:17,670 INFO L168 Benchmark]: Toolchain (without parser) took 6859.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -115.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:17,671 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:17,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:17,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:17,672 INFO L168 Benchmark]: Boogie Preprocessor took 17.15 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:44:17,672 INFO L168 Benchmark]: RCFGBuilder took 734.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:17,672 INFO L168 Benchmark]: TraceAbstraction took 5872.90 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:17,673 INFO L168 Benchmark]: Witness Printer took 36.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:44:17,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.15 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 734.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5872.90 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 33 locations, 3 error locations. SAFE Result, 5.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 4 SDslu, 63 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 14 NumberOfFragments, 10 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 3 QuantifiedInterpolants, 1426 SizeOfPredicates, 9 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...