./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 bc388f4eaa6aadf687b7d35c78a026571921b2b6 ....................................................................................................................................................................................................................................................................................................................... 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_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 bc388f4eaa6aadf687b7d35c78a026571921b2b6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:27:55,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:27:55,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:27:55,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:27:55,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:27:55,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:27:55,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:27:55,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:27:55,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:27:55,830 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:27:55,831 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:27:55,831 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:27:55,831 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:27:55,832 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:27:55,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:27:55,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:27:55,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:27:55,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:27:55,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:27:55,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:27:55,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:27:55,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:27:55,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:27:55,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:27:55,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:27:55,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:27:55,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:27:55,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:27:55,839 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:27:55,840 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:27:55,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:27:55,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:27:55,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:27:55,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:27:55,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:27:55,841 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:27:55,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 16:27:55,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:27:55,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:27:55,849 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:27:55,849 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 16:27:55,850 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:27:55,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:27:55,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:27:55,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 16:27:55,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 16:27:55,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:27:55,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:27:55,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:27:55,852 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 16:27:55,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:27:55,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:27:55,852 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_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 -> bc388f4eaa6aadf687b7d35c78a026571921b2b6 [2018-12-01 16:27:55,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:27:55,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:27:55,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:27:55,886 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:27:55,886 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:27:55,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:55,931 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/40d6932b0/5a0c24def6644473bce0992f005c281b/FLAGc94fbdfb8 [2018-12-01 16:27:56,364 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:27:56,364 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:56,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/40d6932b0/5a0c24def6644473bce0992f005c281b/FLAGc94fbdfb8 [2018-12-01 16:27:56,377 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/40d6932b0/5a0c24def6644473bce0992f005c281b [2018-12-01 16:27:56,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:27:56,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:27:56,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:27:56,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:27:56,382 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:27:56,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56, skipping insertion in model container [2018-12-01 16:27:56,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:27:56,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:27:56,494 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:27:56,496 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:27:56,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:27:56,526 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:27:56,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56 WrapperNode [2018-12-01 16:27:56,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:27:56,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:27:56,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:27:56,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:27:56,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:27:56,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:27:56,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:27:56,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:27:56,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... [2018-12-01 16:27:56,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:27:56,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:27:56,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:27:56,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:27:56,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 16:27:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-01 16:27:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-01 16:27:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2018-12-01 16:27:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2018-12-01 16:27:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:27:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:27:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 16:27:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 16:27:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 16:27:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:27:56,805 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:27:56,805 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 16:27:56,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:56 BoogieIcfgContainer [2018-12-01 16:27:56,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:27:56,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 16:27:56,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 16:27:56,808 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 16:27:56,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:27:56" (1/3) ... [2018-12-01 16:27:56,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472c9f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:27:56, skipping insertion in model container [2018-12-01 16:27:56,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:56" (2/3) ... [2018-12-01 16:27:56,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472c9f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:27:56, skipping insertion in model container [2018-12-01 16:27:56,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:56" (3/3) ... [2018-12-01 16:27:56,810 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:56,816 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 16:27:56,821 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 16:27:56,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 16:27:56,847 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:27:56,847 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 16:27:56,847 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 16:27:56,847 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 16:27:56,847 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:27:56,847 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:27:56,847 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 16:27:56,847 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:27:56,848 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 16:27:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-01 16:27:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:27:56,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:27:56,861 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, 1, 1, 1, 1] [2018-12-01 16:27:56,862 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:27:56,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:27:56,866 INFO L82 PathProgramCache]: Analyzing trace with hash -288864886, now seen corresponding path program 1 times [2018-12-01 16:27:56,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:27:56,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:27:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:27:56,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:27:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:27:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:27:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:27:56,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:27:56,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 16:27:56,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 16:27:56,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 16:27:56,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:27:56,958 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-01 16:27:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:27:56,971 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2018-12-01 16:27:56,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:27:56,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-12-01 16:27:56,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:27:56,976 INFO L225 Difference]: With dead ends: 76 [2018-12-01 16:27:56,977 INFO L226 Difference]: Without dead ends: 38 [2018-12-01 16:27:56,978 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 [2018-12-01 16:27:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-01 16:27:56,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-01 16:27:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-01 16:27:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-12-01 16:27:57,000 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 25 [2018-12-01 16:27:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:27:57,000 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2018-12-01 16:27:57,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 16:27:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-12-01 16:27:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:27:57,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:27:57,001 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, 1, 1, 1, 1, 1, 1] [2018-12-01 16:27:57,001 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:27:57,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:27:57,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1876368369, now seen corresponding path program 1 times [2018-12-01 16:27:57,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:27:57,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:27:57,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:27:57,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:27:57,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:27:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:27:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:27:57,080 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 16:27:57,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:27:57 BoogieIcfgContainer [2018-12-01 16:27:57,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 16:27:57,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:27:57,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:27:57,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:27:57,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:56" (3/4) ... [2018-12-01 16:27:57,102 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 16:27:57,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:27:57,103 INFO L168 Benchmark]: Toolchain (without parser) took 724.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,104 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:27:57,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 938.8 MB in the beginning and 1.2 GB in the end (delta: -211.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,105 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,105 INFO L168 Benchmark]: RCFGBuilder took 208.75 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,105 INFO L168 Benchmark]: TraceAbstraction took 292.79 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:27:57,105 INFO L168 Benchmark]: Witness Printer took 2.98 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. [2018-12-01 16:27:57,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.8 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 44.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 938.8 MB in the beginning and 1.2 GB in the end (delta: -211.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.75 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292.79 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 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: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 31, overapproximation of bitwiseOr at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L86] double x = -1.0 / 0.0; [L87] CALL, EXPR round_double(x) VAL [\old(x)=15032385538] [L15] __int32_t msw, exponent_less_1023; [L16] __uint32_t lsw; VAL [\old(x)=15032385538, x=15032385538] [L18] ieee_double_shape_type ew_u; [L19] ew_u.value = (x) [L20] EXPR ew_u.parts.msw [L20] (msw) = ew_u.parts.msw [L21] EXPR ew_u.parts.lsw [L21] (lsw) = ew_u.parts.lsw [L23] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=15032385538, exponent_less_1023=0, lsw=0, msw=2147483647, x=15032385538] [L24] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=15032385538, exponent_less_1023=0, lsw=0, msw=2147483647, x=15032385538] [L25] COND FALSE !(exponent_less_1023 < 0) [L31] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; VAL [\old(x)=15032385538, exponent_less_1023=0, lsw=0, msw=2147483647, x=15032385538] [L32] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L33] return x; VAL [\old(x)=15032385538, \result=15032385538, exponent_less_1023=0, lsw=0, msw=2147483647, x=15032385538] [L87] RET, EXPR round_double(x) VAL [round_double(x)=15032385538, x=15032385538] [L87] double res = round_double(x); [L90] CALL, EXPR isinf_double(res) VAL [\old(x)=15032385538] [L65] __int32_t hx, lx; VAL [\old(x)=15032385538, x=15032385538] [L67] ieee_double_shape_type ew_u; [L68] ew_u.value = (x) [L69] EXPR ew_u.parts.msw [L69] (hx) = ew_u.parts.msw [L70] EXPR ew_u.parts.lsw [L70] (lx) = ew_u.parts.lsw [L72] hx &= 0x7fffffff [L73] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L74] hx = 0x7ff00000 - hx [L75] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=15032385538, \result=0, hx=2146435072, lx=-2147483648, x=15032385538] [L90] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, res=15032385538, x=15032385538] [L90] COND TRUE !isinf_double(res) [L91] __VERIFIER_error() VAL [res=15032385538, x=15032385538] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.23-635dfa2 [2018-12-01 16:27:58,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:27:58,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:27:58,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:27:58,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:27:58,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:27:58,538 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:27:58,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:27:58,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:27:58,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:27:58,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:27:58,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:27:58,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:27:58,543 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:27:58,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:27:58,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:27:58,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:27:58,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:27:58,547 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:27:58,548 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:27:58,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:27:58,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:27:58,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:27:58,552 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:27:58,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:27:58,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:27:58,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:27:58,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:27:58,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:27:58,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:27:58,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:27:58,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:27:58,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:27:58,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:27:58,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:27:58,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:27:58,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 16:27:58,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:27:58,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:27:58,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:27:58,570 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 16:27:58,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:27:58,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:27:58,570 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:27:58,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 16:27:58,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:27:58,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:27:58,572 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 16:27:58,573 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 16:27:58,573 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 16:27:58,573 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_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 -> bc388f4eaa6aadf687b7d35c78a026571921b2b6 [2018-12-01 16:27:58,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:27:58,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:27:58,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:27:58,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:27:58,606 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:27:58,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:58,648 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/c7fde97c0/eb7c372a797d4f80ac7448f67fa7e9f9/FLAGc62fc0f9c [2018-12-01 16:27:59,058 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:27:59,058 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/sv-benchmarks/c/float-newlib/double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:59,062 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/c7fde97c0/eb7c372a797d4f80ac7448f67fa7e9f9/FLAGc62fc0f9c [2018-12-01 16:27:59,070 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/data/c7fde97c0/eb7c372a797d4f80ac7448f67fa7e9f9 [2018-12-01 16:27:59,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:27:59,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:27:59,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:27:59,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:27:59,077 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:27:59,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59, skipping insertion in model container [2018-12-01 16:27:59,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:27:59,096 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:27:59,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:27:59,205 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:27:59,224 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:27:59,241 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:27:59,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59 WrapperNode [2018-12-01 16:27:59,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:27:59,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:27:59,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:27:59,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:27:59,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:27:59,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:27:59,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:27:59,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:27:59,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... [2018-12-01 16:27:59,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:27:59,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:27:59,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:27:59,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:27:59,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 16:27:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-01 16:27:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 16:27:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2018-12-01 16:27:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2018-12-01 16:27:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:27:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:27:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 16:27:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 16:27:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 16:27:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:27:59,457 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:27:59,532 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:27:59,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:27:59,644 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 16:27:59,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:59 BoogieIcfgContainer [2018-12-01 16:27:59,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:27:59,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 16:27:59,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 16:27:59,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 16:27:59,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:27:59" (1/3) ... [2018-12-01 16:27:59,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f5d323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:27:59, skipping insertion in model container [2018-12-01 16:27:59,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:59" (2/3) ... [2018-12-01 16:27:59,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f5d323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:27:59, skipping insertion in model container [2018-12-01 16:27:59,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:59" (3/3) ... [2018-12-01 16:27:59,648 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032d_true-unreach-call.c [2018-12-01 16:27:59,654 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 16:27:59,659 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 16:27:59,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 16:27:59,683 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:27:59,684 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 16:27:59,684 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 16:27:59,684 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 16:27:59,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:27:59,684 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:27:59,684 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 16:27:59,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:27:59,684 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 16:27:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-01 16:27:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:27:59,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:27:59,698 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, 1, 1, 1] [2018-12-01 16:27:59,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:27:59,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:27:59,702 INFO L82 PathProgramCache]: Analyzing trace with hash -16968872, now seen corresponding path program 1 times [2018-12-01 16:27:59,704 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 16:27:59,704 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 [2018-12-01 16:27:59,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:27:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:27:59,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:27:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:27:59,764 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 16:27:59,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:27:59,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 16:27:59,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 16:27:59,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 16:27:59,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:27:59,782 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-12-01 16:27:59,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:27:59,795 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2018-12-01 16:27:59,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:27:59,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-01 16:27:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:27:59,801 INFO L225 Difference]: With dead ends: 74 [2018-12-01 16:27:59,801 INFO L226 Difference]: Without dead ends: 37 [2018-12-01 16:27:59,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:27:59,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-01 16:27:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-01 16:27:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-01 16:27:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-12-01 16:27:59,825 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 24 [2018-12-01 16:27:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:27:59,825 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-12-01 16:27:59,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 16:27:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-12-01 16:27:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:27:59,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:27:59,826 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, 1, 1, 1, 1, 1] [2018-12-01 16:27:59,826 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:27:59,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:27:59,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1528384495, now seen corresponding path program 1 times [2018-12-01 16:27:59,827 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 16:27:59,827 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 [2018-12-01 16:27:59,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:27:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:27:59,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:28:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:00,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 16:28:00,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:00,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:28:00,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:28:00,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:28:00,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:28:00,027 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 7 states. [2018-12-01 16:28:00,593 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-01 16:28:01,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:01,051 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2018-12-01 16:28:01,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 16:28:01,052 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-01 16:28:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:01,053 INFO L225 Difference]: With dead ends: 63 [2018-12-01 16:28:01,053 INFO L226 Difference]: Without dead ends: 41 [2018-12-01 16:28:01,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2018-12-01 16:28:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-01 16:28:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2018-12-01 16:28:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-01 16:28:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-12-01 16:28:01,057 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 26 [2018-12-01 16:28:01,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:01,058 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-12-01 16:28:01,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:28:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-12-01 16:28:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:28:01,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:01,058 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, 1, 1, 1, 1, 1] [2018-12-01 16:28:01,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:01,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash 707416066, now seen corresponding path program 1 times [2018-12-01 16:28:01,059 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 16:28:01,059 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/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 [2018-12-01 16:28:01,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:01,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:28:01,818 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 16:28:01,819 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 16:28:01,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-01 16:28:01,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-01 16:28:01,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 16:28:01,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-01 16:28:01,893 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-01 16:28:01,894 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 16:28:01,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 16:28:01,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 16:28:01,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 16:28:01,913 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-01 16:28:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:02,430 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 16:28:02,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:02,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-01 16:28:02,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 16:28:02,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 16:28:02,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-01 16:28:02,439 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 11 states. [2018-12-01 16:28:03,682 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-01 16:28:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:05,492 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-12-01 16:28:05,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 16:28:05,493 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-12-01 16:28:05,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:05,494 INFO L225 Difference]: With dead ends: 42 [2018-12-01 16:28:05,494 INFO L226 Difference]: Without dead ends: 35 [2018-12-01 16:28:05,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-01 16:28:05,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-01 16:28:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-12-01 16:28:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-01 16:28:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-12-01 16:28:05,499 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 26 [2018-12-01 16:28:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:05,499 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-12-01 16:28:05,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 16:28:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-12-01 16:28:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:28:05,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:05,500 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, 1, 1, 1, 1, 1] [2018-12-01 16:28:05,500 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:05,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:05,501 INFO L82 PathProgramCache]: Analyzing trace with hash 414013059, now seen corresponding path program 1 times [2018-12-01 16:28:05,501 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 16:28:05,501 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-01 16:28:05,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:05,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:28:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:05,631 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 16:28:05,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:05,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:28:05,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:28:05,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:28:05,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:28:05,640 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 7 states. [2018-12-01 16:28:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:06,153 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-12-01 16:28:06,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 16:28:06,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-01 16:28:06,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:06,155 INFO L225 Difference]: With dead ends: 41 [2018-12-01 16:28:06,155 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 16:28:06,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-12-01 16:28:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 16:28:06,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 16:28:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 16:28:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 16:28:06,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-12-01 16:28:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:06,156 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:28:06,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:28:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 16:28:06,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:28:06,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 16:28:06,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:28:06,214 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-01 16:28:06,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:28:06,214 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 71) no Hoare annotation was computed. [2018-12-01 16:28:06,214 INFO L444 ceAbstractionStarter]: At program point L66-2(lines 66 71) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-01 16:28:06,214 INFO L448 ceAbstractionStarter]: For program point L66-3(lines 66 71) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 64 76) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 64 76) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 64 76) the Hoare annotation is: true [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 28) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point round_doubleFINAL(lines 14 61) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L27-2(lines 27 28) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L451 ceAbstractionStarter]: At program point round_doubleENTRY(lines 14 61) the Hoare annotation is: true [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 53) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point round_doubleEXIT(lines 14 61) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 37) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 59) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 14 61) no Hoare annotation was computed. [2018-12-01 16:28:06,215 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 59) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 22) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 22) the Hoare annotation is: (= |round_double_#in~x| round_double_~x) [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 22) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 53) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 16:28:06,216 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 78 96) the Hoare annotation is: true [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 78 96) no Hoare annotation was computed. [2018-12-01 16:28:06,216 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2018-12-01 16:28:06,217 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-01 16:28:06,217 INFO L444 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven .cse0 .cse0) main_~res~0) (= .cse0 main_~x~0))) [2018-12-01 16:28:06,217 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 90 93) no Hoare annotation was computed. [2018-12-01 16:28:06,217 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 78 96) no Hoare annotation was computed. [2018-12-01 16:28:06,217 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-01 16:28:06,217 INFO L448 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-12-01 16:28:06,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:28:06 BoogieIcfgContainer [2018-12-01 16:28:06,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 16:28:06,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:28:06,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:28:06,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:28:06,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:59" (3/4) ... [2018-12-01 16:28:06,231 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:28:06,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 16:28:06,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-01 16:28:06,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure round_double [2018-12-01 16:28:06,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 16:28:06,242 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 16:28:06,242 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 16:28:06,242 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:28:06,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-01 16:28:06,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-01 16:28:06,279 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ddfe28c-725c-4c76-a5c7-4e224e3fef20/bin-2019/uautomizer/witness.graphml [2018-12-01 16:28:06,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:28:06,280 INFO L168 Benchmark]: Toolchain (without parser) took 7207.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.7 MB in the beginning and 901.8 MB in the end (delta: 42.9 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,281 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:28:06,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.21 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:28:06,282 INFO L168 Benchmark]: Boogie Preprocessor took 63.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,282 INFO L168 Benchmark]: RCFGBuilder took 322.84 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,283 INFO L168 Benchmark]: TraceAbstraction took 6582.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 202.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,283 INFO L168 Benchmark]: Witness Printer took 52.56 ms. Allocated memory is still 1.2 GB. Free memory was 908.5 MB in the beginning and 901.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:06,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 16.21 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.84 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6582.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 202.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.56 ms. Allocated memory is still 1.2 GB. Free memory was 908.5 MB in the beginning and 901.8 MB 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: 91]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 131 SDslu, 372 SDs, 0 SdLazy, 205 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 16 PreInvPairs, 19 NumberOfFragments, 49 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 19 QuantifiedInterpolants, 16004 SizeOfPredicates, 14 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...