./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.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_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 ....................................................................................................................................................................................................................................................................................................................................................................................... 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_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:14:20,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:14:20,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:14:20,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:14:20,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:14:20,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:14:20,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:14:20,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:14:20,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:14:20,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:14:20,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:14:20,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:14:20,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:14:20,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:14:20,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:14:20,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:14:20,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:14:20,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:14:20,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:14:20,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:14:20,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:14:20,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:14:20,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:14:20,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:14:20,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:14:20,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:14:20,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:14:20,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:14:20,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:14:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:14:20,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:14:20,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:14:20,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:14:20,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:14:20,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:14:20,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:14:20,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:14:20,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:14:20,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:14:20,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:14:20,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:14:20,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:14:20,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:14:20,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:14:20,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:14:20,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:14:20,410 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:14:20,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:14:20,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:14:20,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:14:20,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:14:20,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:14:20,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:14:20,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:14:20,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:14:20,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:14:20,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:14:20,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:14:20,413 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_92454120-dd69-4d18-8605-4536b1f86364/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 -> 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 [2019-12-07 13:14:20,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:14:20,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:14:20,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:14:20,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:14:20,532 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:14:20,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 13:14:20,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/0a1f2c68d/88e85ce0f9a343df87481144b145f76c/FLAG81f53c875 [2019-12-07 13:14:20,892 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:14:20,893 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 13:14:20,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/0a1f2c68d/88e85ce0f9a343df87481144b145f76c/FLAG81f53c875 [2019-12-07 13:14:20,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/0a1f2c68d/88e85ce0f9a343df87481144b145f76c [2019-12-07 13:14:20,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:14:20,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:14:20,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:14:20,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:14:20,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:14:20,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:20" (1/1) ... [2019-12-07 13:14:20,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa662cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:20, skipping insertion in model container [2019-12-07 13:14:20,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:20" (1/1) ... [2019-12-07 13:14:20,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:14:20,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:14:21,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:14:21,113 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:14:21,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:14:21,165 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:14:21,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21 WrapperNode [2019-12-07 13:14:21,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:14:21,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:14:21,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:14:21,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:14:21,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:14:21,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:14:21,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:14:21,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:14:21,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... [2019-12-07 13:14:21,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:14:21,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:14:21,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:14:21,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:14:21,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:14:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 13:14:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:14:21,734 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:14:21,735 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 13:14:21,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:14:21 BoogieIcfgContainer [2019-12-07 13:14:21,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:14:21,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:14:21,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:14:21,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:14:21,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:14:20" (1/3) ... [2019-12-07 13:14:21,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730d0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:14:21, skipping insertion in model container [2019-12-07 13:14:21,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:21" (2/3) ... [2019-12-07 13:14:21,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730d0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:14:21, skipping insertion in model container [2019-12-07 13:14:21,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:14:21" (3/3) ... [2019-12-07 13:14:21,741 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2019-12-07 13:14:21,747 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:14:21,752 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:14:21,759 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:14:21,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:14:21,775 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:14:21,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:14:21,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:14:21,776 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:14:21,776 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:14:21,776 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:14:21,776 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:14:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 13:14:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:14:21,792 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:14:21,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:14:21,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:14:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:14:21,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 13:14:21,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:14:21,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946841082] [2019-12-07 13:14:21,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:14:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:14:21,899 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 13:14:21,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946841082] [2019-12-07 13:14:21,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:14:21,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:14:21,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892715242] [2019-12-07 13:14:21,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:14:21,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:14:21,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:14:21,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:14:21,913 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 13:14:21,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:14:21,934 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 13:14:21,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:14:21,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:14:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:14:21,943 INFO L225 Difference]: With dead ends: 256 [2019-12-07 13:14:21,943 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 13:14:21,945 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 13:14:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 13:14:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 13:14:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 13:14:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 13:14:21,974 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 13:14:21,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:14:21,975 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 13:14:21,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:14:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 13:14:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:14:21,975 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:14:21,976 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 13:14:21,976 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:14:21,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:14:21,976 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 13:14:21,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:14:21,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237902510] [2019-12-07 13:14:21,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:14:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:14:22,048 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 13:14:22,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237902510] [2019-12-07 13:14:22,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:14:22,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:14:22,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772104596] [2019-12-07 13:14:22,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:14:22,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:14:22,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:14:22,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:14:22,051 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 13:14:22,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:14:22,074 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 13:14:22,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:14:22,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 13:14:22,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:14:22,076 INFO L225 Difference]: With dead ends: 239 [2019-12-07 13:14:22,076 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 13:14:22,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:14:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 13:14:22,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 13:14:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 13:14:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 13:14:22,087 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 13:14:22,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:14:22,087 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 13:14:22,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:14:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 13:14:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:14:22,088 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:14:22,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:14:22,088 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:14:22,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:14:22,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 13:14:22,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:14:22,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966060135] [2019-12-07 13:14:22,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:14:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:14:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:14:22,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:14:22,269 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:14:22,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:14:22 BoogieIcfgContainer [2019-12-07 13:14:22,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:14:22,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:14:22,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:14:22,305 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:14:22,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:14:21" (3/4) ... [2019-12-07 13:14:22,307 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:14:22,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:14:22,309 INFO L168 Benchmark]: Toolchain (without parser) took 1398.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.6 MB in the beginning and 944.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,309 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:14:22,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.96 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,311 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,311 INFO L168 Benchmark]: RCFGBuilder took 484.79 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,311 INFO L168 Benchmark]: TraceAbstraction took 567.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 944.0 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:14:22,312 INFO L168 Benchmark]: Witness Printer took 3.18 ms. Allocated memory is still 1.1 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:14:22,314 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 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.96 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.84 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 484.79 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 567.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 944.0 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 ms. Allocated memory is still 1.1 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 298]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 297. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L297] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L298] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 13:14:23,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:14:23,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:14:23,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:14:23,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:14:23,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:14:23,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:14:23,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:14:23,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:14:23,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:14:23,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:14:23,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:14:23,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:14:23,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:14:23,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:14:23,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:14:23,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:14:23,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:14:23,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:14:23,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:14:23,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:14:23,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:14:23,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:14:23,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:14:23,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:14:23,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:14:23,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:14:23,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:14:23,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:14:23,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:14:23,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:14:23,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:14:23,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:14:23,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:14:23,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:14:23,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:14:23,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:14:23,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:14:23,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:14:23,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:14:23,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:14:23,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 13:14:23,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:14:23,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:14:23,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:14:23,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:14:23,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:14:23,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:14:23,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:14:23,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:14:23,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:14:23,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:14:23,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:14:23,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:14:23,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:14:23,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:14:23,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:14:23,746 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_92454120-dd69-4d18-8605-4536b1f86364/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 -> 516e79809fe70e7ecdc6c9a291a13d34f08e7bb9 [2019-12-07 13:14:23,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:14:23,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:14:23,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:14:23,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:14:23,937 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:14:23,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 13:14:23,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/56c1b3480/7789e2cfc2f84ef1807a84c1318edaea/FLAG1f286eec7 [2019-12-07 13:14:24,340 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:14:24,341 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2019-12-07 13:14:24,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/56c1b3480/7789e2cfc2f84ef1807a84c1318edaea/FLAG1f286eec7 [2019-12-07 13:14:24,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/data/56c1b3480/7789e2cfc2f84ef1807a84c1318edaea [2019-12-07 13:14:24,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:14:24,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:14:24,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:14:24,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:14:24,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:14:24,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b897a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24, skipping insertion in model container [2019-12-07 13:14:24,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:14:24,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:14:24,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:14:24,537 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:14:24,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:14:24,629 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:14:24,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24 WrapperNode [2019-12-07 13:14:24,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:14:24,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:14:24,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:14:24,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:14:24,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:14:24,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:14:24,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:14:24,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:14:24,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... [2019-12-07 13:14:24,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:14:24,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:14:24,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:14:24,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:14:24,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 13:14:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 13:14:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 13:14:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:14:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 13:14:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:14:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:14:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:14:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:14:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:15:03,079 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:15:03,079 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 13:15:03,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:15:03 BoogieIcfgContainer [2019-12-07 13:15:03,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:15:03,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:15:03,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:15:03,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:15:03,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:14:24" (1/3) ... [2019-12-07 13:15:03,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ea4adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:15:03, skipping insertion in model container [2019-12-07 13:15:03,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:24" (2/3) ... [2019-12-07 13:15:03,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ea4adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:15:03, skipping insertion in model container [2019-12-07 13:15:03,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:15:03" (3/3) ... [2019-12-07 13:15:03,085 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2019-12-07 13:15:03,091 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:15:03,096 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:15:03,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:15:03,120 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:15:03,120 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:15:03,120 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:15:03,120 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:15:03,120 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:15:03,120 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:15:03,121 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:15:03,121 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:15:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 13:15:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:15:03,136 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:15:03,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:15:03,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:15:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:15:03,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 13:15:03,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:15:03,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040507374] [2019-12-07 13:15:03,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 13:15:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:15:03,496 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:15:03,500 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:15:03,510 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 13:15:03,510 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:15:03,514 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 13:15:03,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040507374] [2019-12-07 13:15:03,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:15:03,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:15:03,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898523920] [2019-12-07 13:15:03,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:15:03,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:15:03,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:15:03,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:15:03,530 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 13:15:03,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:15:03,553 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 13:15:03,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:15:03,554 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:15:03,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:15:03,566 INFO L225 Difference]: With dead ends: 256 [2019-12-07 13:15:03,566 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 13:15:03,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 13:15:03,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 13:15:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 13:15:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 13:15:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 13:15:03,602 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 13:15:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:15:03,602 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 13:15:03,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:15:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 13:15:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:15:03,603 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:15:03,603 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 13:15:03,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:15:03,804 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:15:03,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:15:03,805 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 13:15:03,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:15:03,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327617336] [2019-12-07 13:15:03,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 13:15:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:15:04,210 INFO L264 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:15:04,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:15:04,223 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 13:15:04,224 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:15:04,226 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 13:15:04,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327617336] [2019-12-07 13:15:04,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:15:04,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:15:04,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052509287] [2019-12-07 13:15:04,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:15:04,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:15:04,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:15:04,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:15:04,228 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 13:15:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:15:04,258 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 13:15:04,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:15:04,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 13:15:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:15:04,260 INFO L225 Difference]: With dead ends: 239 [2019-12-07 13:15:04,260 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 13:15:04,261 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:15:04,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 13:15:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 13:15:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 13:15:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 13:15:04,269 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 13:15:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:15:04,269 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 13:15:04,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:15:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 13:15:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:15:04,270 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:15:04,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:15:04,470 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:15:04,471 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:15:04,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:15:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 13:15:04,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:15:04,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305202744] [2019-12-07 13:15:04,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/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 13:15:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:15:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:15:06,262 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 13:15:06,263 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:15:06,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:15:06,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:15:06 BoogieIcfgContainer [2019-12-07 13:15:06,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:15:06,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:15:06,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:15:06,534 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:15:06,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:15:03" (3/4) ... [2019-12-07 13:15:06,536 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:15:06,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_92454120-dd69-4d18-8605-4536b1f86364/bin/uautomizer/witness.graphml [2019-12-07 13:15:06,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:15:06,599 INFO L168 Benchmark]: Toolchain (without parser) took 42240.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.0 MB in the beginning and 900.1 MB in the end (delta: 50.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,600 INFO L168 Benchmark]: CDTParser took 0.14 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 13:15:06,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 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 13:15:06,601 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,601 INFO L168 Benchmark]: RCFGBuilder took 38357.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,602 INFO L168 Benchmark]: TraceAbstraction took 3452.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 907.0 MB in the end (delta: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,602 INFO L168 Benchmark]: Witness Printer took 63.55 ms. Allocated memory is still 1.2 GB. Free memory was 907.0 MB in the beginning and 900.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:15:06,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 271.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.43 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. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38357.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3452.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 907.0 MB in the end (delta: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.55 ms. Allocated memory is still 1.2 GB. Free memory was 907.0 MB in the beginning and 900.1 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: 298]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L297] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L298] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...