./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:59:04,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:59:04,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:59:04,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:59:04,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:59:04,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:59:04,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:59:04,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:59:04,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:59:04,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:59:04,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:59:04,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:59:04,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:59:04,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:59:04,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:59:04,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:59:04,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:59:04,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:59:04,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:59:04,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:59:04,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:59:04,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:59:04,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:59:04,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:59:04,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:59:04,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:59:04,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:59:04,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:59:04,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:59:04,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:59:04,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:59:04,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:59:04,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:59:04,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:59:04,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:59:04,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:59:04,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:59:04,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:59:04,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:59:04,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:59:04,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:59:04,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:59:04,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:59:04,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:59:04,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:59:04,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:59:04,166 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:59:04,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:59:04,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:59:04,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:59:04,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:59:04,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:59:04,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:59:04,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:59:04,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:59:04,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-12-07 17:59:04,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:59:04,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:59:04,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:59:04,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:59:04,293 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:59:04,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-12-07 17:59:04,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/af757ceb3/0d076bec9c844e51819c35e1e2b68a70/FLAGd769cc67d [2019-12-07 17:59:04,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:59:04,745 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-12-07 17:59:04,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/af757ceb3/0d076bec9c844e51819c35e1e2b68a70/FLAGd769cc67d [2019-12-07 17:59:04,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/af757ceb3/0d076bec9c844e51819c35e1e2b68a70 [2019-12-07 17:59:04,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:59:04,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:59:04,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:04,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:59:04,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:59:04,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:04,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583489c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04, skipping insertion in model container [2019-12-07 17:59:04,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:04,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:59:04,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:59:04,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:04,946 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:59:04,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:04,994 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:59:04,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04 WrapperNode [2019-12-07 17:59:04,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:04,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:04,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:59:04,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:59:05,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:05,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:59:05,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:59:05,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:59:05,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... [2019-12-07 17:59:05,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:59:05,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:59:05,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:59:05,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:59:05,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:59:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:59:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:59:05,357 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:59:05,357 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 17:59:05,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:05 BoogieIcfgContainer [2019-12-07 17:59:05,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:59:05,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:59:05,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:59:05,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:59:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:59:04" (1/3) ... [2019-12-07 17:59:05,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fee198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:59:05, skipping insertion in model container [2019-12-07 17:59:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:04" (2/3) ... [2019-12-07 17:59:05,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fee198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:59:05, skipping insertion in model container [2019-12-07 17:59:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:05" (3/3) ... [2019-12-07 17:59:05,363 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-12-07 17:59:05,369 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:59:05,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:59:05,380 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:59:05,394 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:59:05,395 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:59:05,395 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:59:05,395 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:59:05,395 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:59:05,395 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:59:05,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:59:05,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:59:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-12-07 17:59:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:59:05,409 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:05,410 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:05,410 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:05,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:05,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-12-07 17:59:05,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:59:05,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72801106] [2019-12-07 17:59:05,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:59:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:05,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72801106] [2019-12-07 17:59:05,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:59:05,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:59:05,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957597865] [2019-12-07 17:59:05,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:59:05,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:59:05,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:59:05,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:59:05,526 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-12-07 17:59:05,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:59:05,540 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-12-07 17:59:05,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:59:05,541 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 17:59:05,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:59:05,548 INFO L225 Difference]: With dead ends: 84 [2019-12-07 17:59:05,548 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 17:59:05,550 INFO L630 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 [2019-12-07 17:59:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 17:59:05,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 17:59:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 17:59:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-12-07 17:59:05,574 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-12-07 17:59:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:59:05,574 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-12-07 17:59:05,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:59:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-12-07 17:59:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 17:59:05,575 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:05,575 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:05,575 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:05,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:05,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-12-07 17:59:05,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:59:05,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264304342] [2019-12-07 17:59:05,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:59:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:05,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:59:05,711 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:59:05,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:59:05 BoogieIcfgContainer [2019-12-07 17:59:05,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:59:05,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:59:05,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:59:05,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:59:05,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:05" (3/4) ... [2019-12-07 17:59:05,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:59:05,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:59:05,746 INFO L168 Benchmark]: Toolchain (without parser) took 984.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:05,747 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:59:05,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:05,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.15 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. [2019-12-07 17:59:05,748 INFO L168 Benchmark]: Boogie Preprocessor took 29.16 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. [2019-12-07 17:59:05,748 INFO L168 Benchmark]: RCFGBuilder took 300.09 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:05,749 INFO L168 Benchmark]: TraceAbstraction took 382.37 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:05,749 INFO L168 Benchmark]: Witness Printer took 3.53 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. [2019-12-07 17:59:05,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.15 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. * Boogie Preprocessor took 29.16 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 300.09 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 382.37 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 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: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] double res = __ieee754_exp(x); [L133] __int32_t hx, lx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 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=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 17:59:07,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:59:07,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:59:07,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:59:07,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:59:07,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:59:07,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:59:07,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:59:07,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:59:07,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:59:07,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:59:07,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:59:07,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:59:07,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:59:07,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:59:07,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:59:07,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:59:07,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:59:07,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:59:07,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:59:07,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:59:07,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:59:07,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:59:07,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:59:07,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:59:07,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:59:07,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:59:07,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:59:07,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:59:07,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:59:07,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:59:07,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:59:07,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:59:07,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:59:07,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:59:07,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:59:07,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:59:07,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:59:07,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:59:07,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:59:07,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:59:07,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:59:07,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:59:07,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:59:07,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:59:07,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:59:07,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:59:07,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:59:07,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:59:07,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:59:07,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:59:07,125 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:59:07,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:59:07,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:59:07,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:59:07,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:59:07,126 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-12-07 17:59:07,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:59:07,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:59:07,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:59:07,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:59:07,295 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:59:07,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-12-07 17:59:07,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/6c29138c3/cd3da2b31e92429abca33838a70aee23/FLAG01f1f7b0c [2019-12-07 17:59:07,771 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:59:07,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-12-07 17:59:07,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/6c29138c3/cd3da2b31e92429abca33838a70aee23/FLAG01f1f7b0c [2019-12-07 17:59:07,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/data/6c29138c3/cd3da2b31e92429abca33838a70aee23 [2019-12-07 17:59:07,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:59:07,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:59:07,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:07,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:59:07,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:59:07,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:07" (1/1) ... [2019-12-07 17:59:07,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:07, skipping insertion in model container [2019-12-07 17:59:07,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:07" (1/1) ... [2019-12-07 17:59:07,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:59:07,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:59:07,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:07,943 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:59:08,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:08,022 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:59:08,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08 WrapperNode [2019-12-07 17:59:08,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:08,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:08,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:59:08,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:59:08,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:08,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:59:08,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:59:08,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:59:08,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... [2019-12-07 17:59:08,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:59:08,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:59:08,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:59:08,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:59:08,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:59:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:59:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:59:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:59:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:59:19,895 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:59:19,896 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 17:59:19,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:19 BoogieIcfgContainer [2019-12-07 17:59:19,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:59:19,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:59:19,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:59:19,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:59:19,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:59:07" (1/3) ... [2019-12-07 17:59:19,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3667aa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:59:19, skipping insertion in model container [2019-12-07 17:59:19,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:08" (2/3) ... [2019-12-07 17:59:19,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3667aa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:59:19, skipping insertion in model container [2019-12-07 17:59:19,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:19" (3/3) ... [2019-12-07 17:59:19,902 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-12-07 17:59:19,911 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:59:19,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:59:19,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:59:19,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:59:19,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:59:19,945 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:59:19,945 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:59:19,945 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:59:19,945 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:59:19,945 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:59:19,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:59:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-12-07 17:59:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:59:19,960 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:19,960 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:19,961 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:19,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-12-07 17:59:19,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:59:19,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046692499] [2019-12-07 17:59:19,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/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 [2019-12-07 17:59:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:20,312 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:59:20,316 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:59:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:20,326 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:59:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:20,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046692499] [2019-12-07 17:59:20,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:59:20,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:59:20,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454609814] [2019-12-07 17:59:20,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:59:20,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:59:20,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:59:20,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:59:20,343 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-12-07 17:59:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:59:20,357 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-12-07 17:59:20,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:59:20,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 17:59:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:59:20,365 INFO L225 Difference]: With dead ends: 84 [2019-12-07 17:59:20,366 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 17:59:20,368 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:59:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 17:59:20,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 17:59:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 17:59:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-12-07 17:59:20,392 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-12-07 17:59:20,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:59:20,392 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-12-07 17:59:20,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:59:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-12-07 17:59:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 17:59:20,393 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:20,393 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:20,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:59:20,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:20,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-12-07 17:59:20,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:59:20,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600658279] [2019-12-07 17:59:20,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/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 [2019-12-07 17:59:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:20,965 INFO L264 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:59:20,967 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:59:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:21,061 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:59:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:21,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600658279] [2019-12-07 17:59:21,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:59:21,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-12-07 17:59:21,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714904154] [2019-12-07 17:59:21,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:59:21,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:59:21,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:59:21,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:59:21,136 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2019-12-07 17:59:21,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:59:21,275 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2019-12-07 17:59:21,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:59:21,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-12-07 17:59:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:59:21,277 INFO L225 Difference]: With dead ends: 48 [2019-12-07 17:59:21,277 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 17:59:21,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:59:21,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 17:59:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 17:59:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 17:59:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-12-07 17:59:21,281 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-12-07 17:59:21,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:59:21,281 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-12-07 17:59:21,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:59:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-12-07 17:59:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:59:21,282 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:21,282 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:21,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:59:21,483 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:21,484 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2019-12-07 17:59:21,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:59:21,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083395525] [2019-12-07 17:59:21,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/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 [2019-12-07 17:59:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:21,865 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:59:21,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:59:21,966 INFO L377 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 15 treesize of output 13 [2019-12-07 17:59:21,975 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 17:59:21,978 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:59:21,978 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:59:22,001 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:59:22,002 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-12-07 17:59:22,002 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:38 [2019-12-07 17:59:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:22,037 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:59:22,063 INFO L377 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 19 treesize of output 17 [2019-12-07 17:59:22,067 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 17:59:22,069 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:59:22,069 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:59:22,077 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:59:22,077 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 17:59:22,078 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2019-12-07 17:59:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:22,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083395525] [2019-12-07 17:59:22,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:59:22,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 17:59:22,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037356395] [2019-12-07 17:59:22,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:59:22,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:59:22,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:59:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:59:22,160 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-12-07 17:59:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:59:22,297 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-12-07 17:59:22,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:59:22,298 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-12-07 17:59:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:59:22,299 INFO L225 Difference]: With dead ends: 28 [2019-12-07 17:59:22,299 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 17:59:22,299 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:59:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 17:59:22,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 17:59:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 17:59:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-12-07 17:59:22,302 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-12-07 17:59:22,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:59:22,302 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-12-07 17:59:22,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:59:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-12-07 17:59:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:59:22,303 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:59:22,303 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:59:22,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:59:22,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:59:22,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:22,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2019-12-07 17:59:22,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:59:22,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926044755] [2019-12-07 17:59:22,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/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 [2019-12-07 17:59:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:23,167 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:59:23,167 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:59:23,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 17:59:23,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:59:23 BoogieIcfgContainer [2019-12-07 17:59:23,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:59:23,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:59:23,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:59:23,441 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:59:23,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:19" (3/4) ... [2019-12-07 17:59:23,442 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:59:23,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c75f8b3b-2a15-44bc-b36d-7aed28123166/bin/uautomizer/witness.graphml [2019-12-07 17:59:23,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:59:23,499 INFO L168 Benchmark]: Toolchain (without parser) took 15711.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 898.3 MB in the end (delta: 55.4 MB). Peak memory consumption was 184.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,499 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:59:23,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:59:23,500 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,501 INFO L168 Benchmark]: RCFGBuilder took 11809.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,501 INFO L168 Benchmark]: TraceAbstraction took 3542.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.2 MB in the end (delta: 157.9 MB). Peak memory consumption was 157.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,501 INFO L168 Benchmark]: Witness Printer took 57.68 ms. Allocated memory is still 1.2 GB. Free memory was 905.2 MB in the beginning and 898.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:23,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11809.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3542.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.2 MB in the end (delta: 157.9 MB). Peak memory consumption was 157.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.68 ms. Allocated memory is still 1.2 GB. Free memory was 905.2 MB in the beginning and 898.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 158]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L153] double x = 1.0 / 0.0; [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L58] COND TRUE hx >= 0x7ff00000 [L59] __uint32_t lx; VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L61] ieee_double_shape_type gl_u; [L62] gl_u.value = (x) [L63] EXPR gl_u.parts.lsw [L63] (lx) = gl_u.parts.lsw [L65] COND FALSE !(((hx & 0xfffff) | lx) != 0) VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L68] EXPR (xsb == 0) ? x : 0.0 VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L68] return (xsb == 0) ? x : 0.0; [L154] double res = __ieee754_exp(x); [L133] __int32_t hx, lx; VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={-2147483645:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1.4426950408889634, ln2HI_exp={7:0}, ln2LO_exp={2:0}, o_threshold_exp=709.782712893384, one_exp=1.0, P1_exp=0.16666666666666602, P2_exp=-0.0027777777777015593, P3_exp=0.00006613756321437934, P4_exp=-0.0000016533902205465252, P5_exp=0.000000041381367970572385, twom1000_exp=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009332636185032189, u_threshold_exp=-745.1332191019411] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 109 SDslu, 9 SDs, 0 SdLazy, 28 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 20 QuantifiedInterpolants, 8230 SizeOfPredicates, 16 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...