./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c_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_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 7089bbc1d64fdab3968ddd6407c4dd9659b97437 ...................................................................................................................................................................................................................................................................................................................................... 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_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 7089bbc1d64fdab3968ddd6407c4dd9659b97437 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:00:22,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:00:22,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:00:22,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:00:22,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:00:22,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:00:22,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:00:22,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:00:22,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:00:22,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:00:22,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:00:22,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:00:22,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:00:22,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:00:22,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:00:22,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:00:22,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:00:22,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:00:22,381 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:00:22,383 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:00:22,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:00:22,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:00:22,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:00:22,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:00:22,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:00:22,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:00:22,387 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:00:22,388 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:00:22,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:00:22,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:00:22,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:00:22,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:00:22,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:00:22,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:00:22,390 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:00:22,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:00:22,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 12:00:22,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:00:22,401 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:00:22,401 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:00:22,402 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:00:22,402 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:00:22,402 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:00:22,402 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:00:22,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:00:22,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:00:22,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:00:22,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:00:22,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:00:22,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:00:22,405 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:00:22,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:00:22,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:00:22,405 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_76e322d4-c808-44b4-8193-eda5482e84c1/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 -> 7089bbc1d64fdab3968ddd6407c4dd9659b97437 [2018-12-09 12:00:22,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:00:22,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:00:22,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:00:22,440 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:00:22,440 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:00:22,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:22,487 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/4991a3048/8b99b0d26ad142ee8233409e82e495c7/FLAG6828510a1 [2018-12-09 12:00:22,821 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:00:22,822 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:22,826 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/4991a3048/8b99b0d26ad142ee8233409e82e495c7/FLAG6828510a1 [2018-12-09 12:00:23,222 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/4991a3048/8b99b0d26ad142ee8233409e82e495c7 [2018-12-09 12:00:23,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:00:23,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:00:23,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:23,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:00:23,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:00:23,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12334432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23, skipping insertion in model container [2018-12-09 12:00:23,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:00:23,244 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:00:23,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:23,340 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:00:23,360 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:23,372 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:00:23,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23 WrapperNode [2018-12-09 12:00:23,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:23,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:23,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:00:23,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:00:23,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:23,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:00:23,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:00:23,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:00:23,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... [2018-12-09 12:00:23,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:00:23,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:00:23,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:00:23,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:00:23,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 12:00:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:00:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 12:00:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-09 12:00:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:00:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:00:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:00:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:00:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:00:23,669 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:00:23,669 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 12:00:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:23 BoogieIcfgContainer [2018-12-09 12:00:23,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:00:23,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:00:23,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:00:23,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:00:23,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:00:23" (1/3) ... [2018-12-09 12:00:23,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423d43ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:23, skipping insertion in model container [2018-12-09 12:00:23,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:23" (2/3) ... [2018-12-09 12:00:23,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423d43ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:23, skipping insertion in model container [2018-12-09 12:00:23,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:23" (3/3) ... [2018-12-09 12:00:23,674 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:23,680 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:00:23,686 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:00:23,696 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:00:23,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:00:23,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:00:23,715 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:00:23,715 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:00:23,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:00:23,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:00:23,715 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:00:23,715 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:00:23,715 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:00:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-12-09 12:00:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:00:23,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:23,730 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] [2018-12-09 12:00:23,731 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:23,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:23,735 INFO L82 PathProgramCache]: Analyzing trace with hash -661893902, now seen corresponding path program 1 times [2018-12-09 12:00:23,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:00:23,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:00:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:23,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:23,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:23,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:00:23,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:00:23,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:00:23,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:00:23,831 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-12-09 12:00:23,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:23,845 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2018-12-09 12:00:23,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:00:23,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-12-09 12:00:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:23,851 INFO L225 Difference]: With dead ends: 92 [2018-12-09 12:00:23,851 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 12:00:23,853 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 [2018-12-09 12:00:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 12:00:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-09 12:00:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-09 12:00:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2018-12-09 12:00:23,876 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 25 [2018-12-09 12:00:23,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:23,876 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2018-12-09 12:00:23,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:00:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-12-09 12:00:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:00:23,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:23,877 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] [2018-12-09 12:00:23,877 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:23,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:23,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1235447049, now seen corresponding path program 1 times [2018-12-09 12:00:23,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:00:23,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:00:23,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:23,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:23,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:00:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:00:23,955 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:00:23,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:00:23 BoogieIcfgContainer [2018-12-09 12:00:23,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:00:23,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:00:23,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:00:23,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:00:23,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:23" (3/4) ... [2018-12-09 12:00:23,976 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:00:23,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:00:23,977 INFO L168 Benchmark]: Toolchain (without parser) took 752.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -88.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:23,978 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:00:23,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:23,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:23,979 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:00:23,979 INFO L168 Benchmark]: RCFGBuilder took 223.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:23,979 INFO L168 Benchmark]: TraceAbstraction took 303.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:23,980 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:00:23,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 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 47.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 223.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 38, overapproximation of bitwiseOr at line 90, overapproximation of someBinaryArithmeticDOUBLEoperation at line 103, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L14] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=10737418248, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L103] double x = 1.0 / 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] CALL, EXPR ceil_double(x) VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418250] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, x=10737418250] [L26] COND TRUE j0 < 20 VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=10737418250] [L27] COND FALSE !(j0 < 0) [L38] i = (0x000fffff) >> j0 VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=10737418250] [L39] COND TRUE ((i0 & i) | i1) == 0 [L40] return x; VAL [\old(x)=10737418250, \result=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=10737418250] [L104] RET, EXPR ceil_double(x) VAL [ceil_double(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418250] [L104] double res = ceil_double(x); [L106] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L82] __int32_t hx, lx; VAL [\old(x)=10737418250, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418250] [L84] ieee_double_shape_type ew_u; [L85] ew_u.value = (x) [L86] EXPR ew_u.parts.msw [L86] (hx) = ew_u.parts.msw [L87] EXPR ew_u.parts.lsw [L87] (lx) = ew_u.parts.lsw [L89] hx &= 0x7fffffff [L90] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L91] hx = 0x7ff00000 - hx [L92] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418250, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, lx=-2147483648, x=10737418250] [L106] RET, EXPR isinf_double(res) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isinf_double(res)=0, res=10737418250, x=10737418250] [L106] COND TRUE !isinf_double(res) [L107] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=10737418250, x=10737418250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 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=50occurred 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 [2018-12-09 12:00:25,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:00:25,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:00:25,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:00:25,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:00:25,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:00:25,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:00:25,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:00:25,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:00:25,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:00:25,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:00:25,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:00:25,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:00:25,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:00:25,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:00:25,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:00:25,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:00:25,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:00:25,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:00:25,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:00:25,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:00:25,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:00:25,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:00:25,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:00:25,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:00:25,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:00:25,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:00:25,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:00:25,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:00:25,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:00:25,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:00:25,263 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:00:25,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:00:25,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:00:25,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:00:25,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:00:25,264 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 12:00:25,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:00:25,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:00:25,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:00:25,272 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:00:25,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:00:25,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:00:25,273 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:00:25,274 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:00:25,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:00:25,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:00:25,275 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:00:25,275 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_76e322d4-c808-44b4-8193-eda5482e84c1/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 -> 7089bbc1d64fdab3968ddd6407c4dd9659b97437 [2018-12-09 12:00:25,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:00:25,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:00:25,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:00:25,302 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:00:25,303 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:00:25,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:25,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/66a5f17ab/7c31c9ea63ad429daa8123093509d1cd/FLAGb18937936 [2018-12-09 12:00:25,726 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:00:25,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/sv-benchmarks/c/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:25,730 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/66a5f17ab/7c31c9ea63ad429daa8123093509d1cd/FLAGb18937936 [2018-12-09 12:00:25,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/data/66a5f17ab/7c31c9ea63ad429daa8123093509d1cd [2018-12-09 12:00:25,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:00:25,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:00:25,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:25,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:00:25,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:00:25,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,747 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 09.12 12:00:25, skipping insertion in model container [2018-12-09 12:00:25,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:00:25,766 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:00:25,872 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:25,875 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:00:25,896 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:25,913 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:00:25,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25 WrapperNode [2018-12-09 12:00:25,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:25,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:25,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:00:25,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:00:25,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:25,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:00:25,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:00:25,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:00:25,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... [2018-12-09 12:00:25,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:00:25,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:00:25,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:00:25,991 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:00:25,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:00:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 12:00:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-09 12:00:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:00:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:00:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:00:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 12:00:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:00:26,129 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:00:26,336 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:00:26,936 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:00:26,937 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 12:00:26,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:26 BoogieIcfgContainer [2018-12-09 12:00:26,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:00:26,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:00:26,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:00:26,940 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:00:26,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:00:25" (1/3) ... [2018-12-09 12:00:26,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dff6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:26, skipping insertion in model container [2018-12-09 12:00:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:25" (2/3) ... [2018-12-09 12:00:26,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dff6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:26, skipping insertion in model container [2018-12-09 12:00:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:26" (3/3) ... [2018-12-09 12:00:26,943 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c_true-unreach-call.c [2018-12-09 12:00:26,950 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:00:26,954 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:00:26,962 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:00:26,979 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:00:26,979 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:00:26,979 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:00:26,979 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:00:26,979 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:00:26,979 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:00:26,979 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:00:26,979 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:00:26,979 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:00:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-09 12:00:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:00:26,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:26,993 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] [2018-12-09 12:00:26,994 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:26,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash -721738728, now seen corresponding path program 1 times [2018-12-09 12:00:26,999 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:00:26,999 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:27,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:27,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:00:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:27,064 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:00:27,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:27,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:00:27,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:00:27,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:00:27,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:00:27,083 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-09 12:00:27,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:27,099 INFO L93 Difference]: Finished difference Result 90 states and 133 transitions. [2018-12-09 12:00:27,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:00:27,100 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 12:00:27,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:27,106 INFO L225 Difference]: With dead ends: 90 [2018-12-09 12:00:27,106 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 12:00:27,108 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 [2018-12-09 12:00:27,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 12:00:27,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-09 12:00:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-09 12:00:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2018-12-09 12:00:27,131 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 24 [2018-12-09 12:00:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:27,131 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2018-12-09 12:00:27,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:00:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2018-12-09 12:00:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:00:27,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:27,132 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] [2018-12-09 12:00:27,132 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:27,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:27,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1549059375, now seen corresponding path program 1 times [2018-12-09 12:00:27,133 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:00:27,133 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:27,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:27,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:00:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:27,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:00:27,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:27,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:00:27,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:00:27,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:00:27,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:00:27,336 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 7 states. [2018-12-09 12:00:29,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:29,434 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-12-09 12:00:29,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 12:00:29,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 12:00:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:29,437 INFO L225 Difference]: With dead ends: 78 [2018-12-09 12:00:29,437 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 12:00:29,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-12-09 12:00:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 12:00:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2018-12-09 12:00:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 12:00:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-12-09 12:00:29,441 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 26 [2018-12-09 12:00:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:29,442 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-12-09 12:00:29,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:00:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-12-09 12:00:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:00:29,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:29,443 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] [2018-12-09 12:00:29,443 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:29,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:29,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1162953480, now seen corresponding path program 1 times [2018-12-09 12:00:29,443 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:00:29,444 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:29,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:29,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:00:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:29,602 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:00:29,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:29,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:00:29,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:00:29,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:00:29,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:00:29,615 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 7 states. [2018-12-09 12:00:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:30,498 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-12-09 12:00:30,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:00:30,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 12:00:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:30,499 INFO L225 Difference]: With dead ends: 59 [2018-12-09 12:00:30,499 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 12:00:30,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:00:30,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 12:00:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-09 12:00:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 12:00:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-12-09 12:00:30,502 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2018-12-09 12:00:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:30,502 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-12-09 12:00:30,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:00:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-12-09 12:00:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:00:30,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:30,503 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] [2018-12-09 12:00:30,503 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:30,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:30,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1463112616, now seen corresponding path program 1 times [2018-12-09 12:00:30,504 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:00:30,504 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/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 [2018-12-09 12:00:30,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:30,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:00:31,039 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-09 12:00:31,599 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 12:00:31,600 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 12:00:31,603 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 [2018-12-09 12:00:31,645 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 12:00:31,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-12-09 12:00:31,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 12:00:31,668 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 [2018-12-09 12:00:31,682 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 [2018-12-09 12:00:31,682 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 12:00:31,687 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 12:00:31,692 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 12:00:31,699 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. [2018-12-09 12:00:31,700 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-09 12:00:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:32,191 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:00:32,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:32,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 12:00:32,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:00:32,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:00:32,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:00:32,200 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 11 states. [2018-12-09 12:00:33,468 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 12:00:35,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:35,500 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-12-09 12:00:35,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:00:35,501 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-12-09 12:00:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:35,502 INFO L225 Difference]: With dead ends: 34 [2018-12-09 12:00:35,502 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 12:00:35,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-09 12:00:35,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 12:00:35,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-09 12:00:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 12:00:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-12-09 12:00:35,507 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2018-12-09 12:00:35,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:35,507 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-12-09 12:00:35,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:00:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-12-09 12:00:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:00:35,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:35,508 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] [2018-12-09 12:00:35,508 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:35,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:35,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1756515623, now seen corresponding path program 1 times [2018-12-09 12:00:35,508 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:00:35,509 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 12:00:35,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:35,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:00:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:35,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:00:35,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:35,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:00:35,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:00:35,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:00:35,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:00:35,661 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 7 states. [2018-12-09 12:00:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:36,033 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-12-09 12:00:36,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:00:36,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 12:00:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:36,033 INFO L225 Difference]: With dead ends: 27 [2018-12-09 12:00:36,033 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:00:36,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:00:36,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:00:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:00:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:00:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:00:36,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-12-09 12:00:36,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:36,034 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:00:36,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:00:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:00:36,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:00:36,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 88) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L444 ceAbstractionStarter]: At program point L83-2(lines 83 88) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point L83-3(lines 83 88) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 81 93) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 81 93) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 81 93) the Hoare annotation is: true [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 47) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-12-09 12:00:36,081 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 24) the Hoare annotation is: (= |ceil_double_#in~x| ceil_double_~x) [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 70) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 35) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 36) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 69) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 52) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 46) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 35) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 67) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 67) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L451 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 16 78) the Hoare annotation is: true [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 16 78) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point L71-2(lines 71 76) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 16 78) no Hoare annotation was computed. [2018-12-09 12:00:36,082 INFO L448 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 16 78) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 64) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 66) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 70) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 12:00:36,083 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 95 111) the Hoare annotation is: true [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 95 111) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 106 109) no Hoare annotation was computed. [2018-12-09 12:00:36,083 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 95 111) no Hoare annotation was computed. [2018-12-09 12:00:36,084 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-09 12:00:36,084 INFO L448 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-12-09 12:00:36,084 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-12-09 12:00:36,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:00:36 BoogieIcfgContainer [2018-12-09 12:00:36,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:00:36,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:00:36,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:00:36,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:00:36,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:26" (3/4) ... [2018-12-09 12:00:36,094 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:00:36,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:00:36,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-09 12:00:36,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_double [2018-12-09 12:00:36,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:00:36,102 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-09 12:00:36,102 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-09 12:00:36,102 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:00:36,118 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 12:00:36,118 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 12:00:36,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76e322d4-c808-44b4-8193-eda5482e84c1/bin-2019/uautomizer/witness.graphml [2018-12-09 12:00:36,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:00:36,133 INFO L168 Benchmark]: Toolchain (without parser) took 10393.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 943.4 MB in the beginning and 852.5 MB in the end (delta: 90.9 MB). Peak memory consumption was 230.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,134 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 12:00:36,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.17 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.04 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:00:36,134 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,135 INFO L168 Benchmark]: RCFGBuilder took 946.68 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,135 INFO L168 Benchmark]: TraceAbstraction took 9153.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 230.0 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,135 INFO L168 Benchmark]: Witness Printer took 41.33 ms. Allocated memory is still 1.2 GB. Free memory was 859.3 MB in the beginning and 852.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:00:36,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 172.17 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 16.04 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 946.68 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9153.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 230.0 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.33 ms. Allocated memory is still 1.2 GB. Free memory was 859.3 MB in the beginning and 852.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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: 83]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 SDtfs, 241 SDslu, 383 SDs, 0 SdLazy, 266 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 18 PreInvPairs, 21 NumberOfFragments, 45 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 26 QuantifiedInterpolants, 19904 SizeOfPredicates, 18 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...