./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.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_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a90ab4b5fd896d7fe8c91ee95d37e83b559389ba .............................................................................................................................................................................................................................................................................................................................................................................................. 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_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a90ab4b5fd896d7fe8c91ee95d37e83b559389ba .................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:48:44,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:48:44,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:48:44,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:48:44,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:48:44,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:48:44,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:48:44,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:48:44,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:48:44,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:48:44,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:48:44,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:48:44,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:48:44,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:48:44,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:48:44,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:48:44,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:48:44,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:48:44,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:48:44,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:48:44,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:48:44,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:48:44,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:48:44,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:48:44,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:48:44,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:48:44,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:48:44,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:48:44,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:48:44,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:48:44,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:48:44,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:48:44,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:48:44,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:48:44,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:48:44,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:48:44,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:48:44,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:48:44,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:48:44,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:48:44,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:48:44,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:48:44,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:48:44,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:48:44,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:48:44,626 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:48:44,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:48:44,626 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:48:44,626 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:48:44,626 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:48:44,627 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:48:44,627 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:48:44,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:48:44,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:48:44,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:48:44,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:48:44,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:48:44,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:48:44,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:48:44,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:48:44,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:48:44,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:48:44,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:48:44,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:48:44,631 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan 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 -> Taipan 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 -> a90ab4b5fd896d7fe8c91ee95d37e83b559389ba [2019-12-07 13:48:44,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:48:44,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:48:44,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:48:44,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:48:44,741 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:48:44,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 13:48:44,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/4ac17a05f/ee36a829cd3c4ee696a12cf06973c54c/FLAG928def535 [2019-12-07 13:48:45,258 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:48:45,259 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 13:48:45,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/4ac17a05f/ee36a829cd3c4ee696a12cf06973c54c/FLAG928def535 [2019-12-07 13:48:45,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/4ac17a05f/ee36a829cd3c4ee696a12cf06973c54c [2019-12-07 13:48:45,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:48:45,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:48:45,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:45,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:48:45,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:48:45,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ca5aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45, skipping insertion in model container [2019-12-07 13:48:45,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:48:45,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:48:45,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:45,495 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:48:45,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:45,549 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:48:45,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45 WrapperNode [2019-12-07 13:48:45,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:45,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:45,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:48:45,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:48:45,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:45,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:48:45,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:48:45,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:48:45,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... [2019-12-07 13:48:45,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:48:45,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:48:45,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:48:45,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:48:45,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/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 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:48:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:48:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:48:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 13:48:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:48:46,255 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:48:46,255 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 13:48:46,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:46 BoogieIcfgContainer [2019-12-07 13:48:46,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:48:46,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:48:46,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:48:46,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:48:46,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:48:45" (1/3) ... [2019-12-07 13:48:46,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:48:46, skipping insertion in model container [2019-12-07 13:48:46,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:45" (2/3) ... [2019-12-07 13:48:46,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:48:46, skipping insertion in model container [2019-12-07 13:48:46,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:46" (3/3) ... [2019-12-07 13:48:46,261 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2019-12-07 13:48:46,268 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:48:46,273 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:48:46,280 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:48:46,297 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:48:46,297 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:48:46,297 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:48:46,297 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:48:46,297 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:48:46,297 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:48:46,297 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:48:46,298 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:48:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2019-12-07 13:48:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:48:46,314 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:46,314 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:46,314 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:46,318 INFO L82 PathProgramCache]: Analyzing trace with hash 372295354, now seen corresponding path program 1 times [2019-12-07 13:48:46,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:48:46,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930331032] [2019-12-07 13:48:46,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:46,419 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 13:48:46,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930331032] [2019-12-07 13:48:46,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:46,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:48:46,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124511202] [2019-12-07 13:48:46,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:48:46,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:48:46,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:48:46,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:48:46,435 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 2 states. [2019-12-07 13:48:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:48:46,453 INFO L93 Difference]: Finished difference Result 181 states and 309 transitions. [2019-12-07 13:48:46,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:48:46,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 13:48:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:48:46,462 INFO L225 Difference]: With dead ends: 181 [2019-12-07 13:48:46,462 INFO L226 Difference]: Without dead ends: 88 [2019-12-07 13:48:46,464 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 13:48:46,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-12-07 13:48:46,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-12-07 13:48:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 13:48:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 118 transitions. [2019-12-07 13:48:46,492 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 118 transitions. Word has length 13 [2019-12-07 13:48:46,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:48:46,492 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 118 transitions. [2019-12-07 13:48:46,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:48:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2019-12-07 13:48:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:48:46,493 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:46,493 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:48:46,493 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:46,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:46,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1067385150, now seen corresponding path program 1 times [2019-12-07 13:48:46,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:48:46,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709762221] [2019-12-07 13:48:46,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:48:46,551 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 13:48:46,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709762221] [2019-12-07 13:48:46,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:48:46,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:48:46,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996741366] [2019-12-07 13:48:46,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:48:46,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:48:46,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:48:46,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:48:46,554 INFO L87 Difference]: Start difference. First operand 88 states and 118 transitions. Second operand 3 states. [2019-12-07 13:48:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:48:46,578 INFO L93 Difference]: Finished difference Result 168 states and 227 transitions. [2019-12-07 13:48:46,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:48:46,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 13:48:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:48:46,580 INFO L225 Difference]: With dead ends: 168 [2019-12-07 13:48:46,581 INFO L226 Difference]: Without dead ends: 88 [2019-12-07 13:48:46,582 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 13:48:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-12-07 13:48:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-12-07 13:48:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 13:48:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-12-07 13:48:46,590 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 16 [2019-12-07 13:48:46,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:48:46,590 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-12-07 13:48:46,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:48:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-12-07 13:48:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:48:46,591 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:48:46,591 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 13:48:46,592 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:48:46,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:48:46,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1612065626, now seen corresponding path program 1 times [2019-12-07 13:48:46,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:48:46,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862837192] [2019-12-07 13:48:46,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:48:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:48:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:48:46,772 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 13:48:46,772 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:48:46,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:48:46 BoogieIcfgContainer [2019-12-07 13:48:46,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:48:46,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:48:46,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:48:46,805 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:48:46,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:48:46" (3/4) ... [2019-12-07 13:48:46,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:48:46,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:48:46,810 INFO L168 Benchmark]: Toolchain (without parser) took 1532.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.6 MB in the beginning and 952.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,810 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:48:46,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,812 INFO L168 Benchmark]: Boogie Preprocessor took 48.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,812 INFO L168 Benchmark]: RCFGBuilder took 614.37 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: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,812 INFO L168 Benchmark]: TraceAbstraction took 547.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.2 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:48:46,813 INFO L168 Benchmark]: Witness Printer took 3.72 ms. Allocated memory is still 1.2 GB. Free memory is still 952.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:48:46,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.37 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: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 547.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.2 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 ms. Allocated memory is still 1.2 GB. Free memory is still 952.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 285]: 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 284. 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; [L276] double x = -1.0 / 0.0; [L277] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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); [L279] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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); [L279] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L279] 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={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != pi VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L285] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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, 91 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 0 SDslu, 112 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=91occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 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 13:48:48,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:48:48,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:48:48,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:48:48,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:48:48,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:48:48,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:48:48,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:48:48,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:48:48,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:48:48,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:48:48,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:48:48,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:48:48,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:48:48,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:48:48,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:48:48,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:48:48,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:48:48,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:48:48,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:48:48,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:48:48,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:48:48,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:48:48,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:48:48,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:48:48,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:48:48,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:48:48,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:48:48,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:48:48,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:48:48,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:48:48,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:48:48,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:48:48,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:48:48,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:48:48,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:48:48,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:48:48,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:48:48,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:48:48,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:48:48,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:48:48,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:48:48,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:48:48,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:48:48,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:48:48,171 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:48:48,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:48:48,172 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:48:48,172 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:48:48,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:48:48,172 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:48:48,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:48:48,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:48:48,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:48:48,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:48:48,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:48:48,175 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:48:48,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:48:48,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:48:48,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:48:48,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:48:48,176 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_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan 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 -> Taipan 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 -> a90ab4b5fd896d7fe8c91ee95d37e83b559389ba [2019-12-07 13:48:48,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:48:48,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:48:48,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:48:48,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:48:48,372 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:48:48,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 13:48:48,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/26652e5fe/89f750e43e3e4381b815c5d01f12a332/FLAG7ee25acb2 [2019-12-07 13:48:48,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:48:48,745 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 13:48:48,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/26652e5fe/89f750e43e3e4381b815c5d01f12a332/FLAG7ee25acb2 [2019-12-07 13:48:48,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/data/26652e5fe/89f750e43e3e4381b815c5d01f12a332 [2019-12-07 13:48:48,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:48:48,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:48:48,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:48,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:48:48,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:48:48,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:48" (1/1) ... [2019-12-07 13:48:48,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eae0e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:48, skipping insertion in model container [2019-12-07 13:48:48,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:48:48" (1/1) ... [2019-12-07 13:48:48,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:48:48,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:48:48,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:48,940 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:48:49,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:48:49,053 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:48:49,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49 WrapperNode [2019-12-07 13:48:49,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:48:49,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:49,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:48:49,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:48:49,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:48:49,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:48:49,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:48:49,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:48:49,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... [2019-12-07 13:48:49,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:48:49,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:48:49,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:48:49,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:48:49,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/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 13:48:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 13:48:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 13:48:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:48:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 13:48:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:48:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:48:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:48:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:48:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:49:26,533 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:49:26,533 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 13:49:26,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:26 BoogieIcfgContainer [2019-12-07 13:49:26,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:49:26,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:49:26,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:49:26,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:49:26,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:48:48" (1/3) ... [2019-12-07 13:49:26,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c769325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:49:26, skipping insertion in model container [2019-12-07 13:49:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:48:49" (2/3) ... [2019-12-07 13:49:26,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c769325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:49:26, skipping insertion in model container [2019-12-07 13:49:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:26" (3/3) ... [2019-12-07 13:49:26,540 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2019-12-07 13:49:26,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:49:26,551 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:49:26,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:49:26,575 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:49:26,575 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:49:26,575 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:49:26,576 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:49:26,576 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:49:26,576 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:49:26,576 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:49:26,576 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:49:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 13:49:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 13:49:26,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:26,592 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:26,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:26,596 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 13:49:26,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:26,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544734251] [2019-12-07 13:49:26,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/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 13:49:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:26,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:49:26,951 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:26,962 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 13:49:26,962 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:26,965 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 13:49:26,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544734251] [2019-12-07 13:49:26,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:26,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:49:26,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875375416] [2019-12-07 13:49:26,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:49:26,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:26,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:49:26,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:49:26,982 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 13:49:27,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:27,003 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 13:49:27,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:49:27,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 13:49:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:27,013 INFO L225 Difference]: With dead ends: 246 [2019-12-07 13:49:27,013 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 13:49:27,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 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 13:49:27,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 13:49:27,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 13:49:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 13:49:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 13:49:27,045 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 13:49:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:27,045 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 13:49:27,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:49:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 13:49:27,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:49:27,046 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:27,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:27,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:49:27,248 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:27,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 13:49:27,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:27,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976711853] [2019-12-07 13:49:27,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/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 13:49:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:27,691 INFO L264 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:49:27,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:27,702 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 13:49:27,702 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:27,704 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 13:49:27,705 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976711853] [2019-12-07 13:49:27,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:27,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:49:27,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269222307] [2019-12-07 13:49:27,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:49:27,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:27,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:49:27,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:49:27,707 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 13:49:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:27,754 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 13:49:27,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:27,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 13:49:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:27,756 INFO L225 Difference]: With dead ends: 229 [2019-12-07 13:49:27,757 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 13:49:27,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 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 13:49:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 13:49:27,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 13:49:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 13:49:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 13:49:27,768 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 13:49:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:27,768 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 13:49:27,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:49:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 13:49:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:49:27,769 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:27,769 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] [2019-12-07 13:49:27,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:49:27,971 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:27,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:27,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 13:49:27,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:27,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442519142] [2019-12-07 13:49:27,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/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 13:49:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:49:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:49:29,791 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:49:29,791 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:49:29,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:49:30,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:49:30 BoogieIcfgContainer [2019-12-07 13:49:30,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:49:30,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:49:30,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:49:30,068 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:49:30,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:26" (3/4) ... [2019-12-07 13:49:30,070 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:49:30,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b39a2d45-22c4-4e80-bbad-5e4774e2b0c4/bin/utaipan/witness.graphml [2019-12-07 13:49:30,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:49:30,132 INFO L168 Benchmark]: Toolchain (without parser) took 41370.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 916.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,133 INFO L168 Benchmark]: CDTParser took 0.13 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 13:49:30,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,134 INFO L168 Benchmark]: Boogie Preprocessor took 48.12 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,134 INFO L168 Benchmark]: RCFGBuilder took 37386.15 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: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,134 INFO L168 Benchmark]: TraceAbstraction took 3533.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 922.7 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,134 INFO L168 Benchmark]: Witness Printer took 63.12 ms. Allocated memory is still 1.2 GB. Free memory was 922.7 MB in the beginning and 916.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:30,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 291.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.12 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37386.15 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: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3533.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 922.7 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.12 ms. Allocated memory is still 1.2 GB. Free memory was 922.7 MB in the beginning and 916.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 285]: 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] [L276] double x = -1.0 / 0.0; [L277] 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] [L279] 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] [L279] 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] [L279] 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] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != pi 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] [L285] __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, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 259 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...