./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 baa80d60694a6a02d32fddddbbe44c204edcedd1 .................................................................................................................................................................................................................................................................................................................................. 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_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 baa80d60694a6a02d32fddddbbe44c204edcedd1 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:07,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:29:07,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:29:07,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:29:07,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:29:07,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:29:07,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:29:07,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:29:07,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:29:07,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:29:07,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:29:07,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:29:07,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:29:07,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:29:07,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:29:07,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:29:07,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:29:07,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:29:07,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:29:07,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:29:07,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:29:07,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:29:07,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:29:07,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:29:07,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:29:07,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:29:07,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:29:07,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:29:07,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:29:07,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:29:07,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:29:07,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:29:07,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:29:07,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:29:07,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:29:07,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:29:07,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:29:07,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:29:07,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:29:07,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:29:07,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:29:07,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:29:07,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:29:07,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:29:07,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:29:07,138 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:29:07,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:29:07,139 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:29:07,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:29:07,139 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:29:07,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:29:07,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:29:07,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:29:07,140 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:29:07,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:29:07,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:29:07,140 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:29:07,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:29:07,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:29:07,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:29:07,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:29:07,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:29:07,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:29:07,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:29:07,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:29:07,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:29:07,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:29:07,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:29:07,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:29:07,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:29:07,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:29:07,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:29:07,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:29:07,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:29:07,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:29:07,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:29:07,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:29:07,145 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_1be415ae-a3dd-4609-aa93-27cd925b5515/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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-07 16:29:07,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:29:07,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:29:07,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:29:07,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:29:07,259 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:29:07,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 16:29:07,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/2ac2efbe9/8128b2a76d0741dca07053b6fa0c3afa/FLAG9785c7a74 [2019-12-07 16:29:07,632 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:29:07,633 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 16:29:07,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/2ac2efbe9/8128b2a76d0741dca07053b6fa0c3afa/FLAG9785c7a74 [2019-12-07 16:29:07,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/2ac2efbe9/8128b2a76d0741dca07053b6fa0c3afa [2019-12-07 16:29:07,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:29:07,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:29:07,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:07,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:29:07,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:29:07,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c54e04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07, skipping insertion in model container [2019-12-07 16:29:07,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:29:07,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:29:07,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:07,853 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:29:07,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:07,904 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:29:07,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07 WrapperNode [2019-12-07 16:29:07,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:07,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:07,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:29:07,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:29:07,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:07,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:29:07,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:29:07,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:29:07,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... [2019-12-07 16:29:07,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:29:07,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:29:07,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:29:07,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:29:07,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 16:29:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:29:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 16:29:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:29:08,529 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:29:08,529 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 16:29:08,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:08 BoogieIcfgContainer [2019-12-07 16:29:08,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:29:08,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:29:08,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:29:08,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:29:08,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:29:07" (1/3) ... [2019-12-07 16:29:08,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8c8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:08, skipping insertion in model container [2019-12-07 16:29:08,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:07" (2/3) ... [2019-12-07 16:29:08,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe8c8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:08, skipping insertion in model container [2019-12-07 16:29:08,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:08" (3/3) ... [2019-12-07 16:29:08,536 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-07 16:29:08,543 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:29:08,547 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:29:08,554 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:29:08,570 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:29:08,570 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:29:08,570 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:29:08,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:29:08,570 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:29:08,570 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:29:08,570 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:29:08,570 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:29:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 16:29:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:29:08,585 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:08,586 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:08,586 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:08,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:08,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1657939440, now seen corresponding path program 1 times [2019-12-07 16:29:08,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:29:08,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422152771] [2019-12-07 16:29:08,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:29:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:08,688 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 16:29:08,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422152771] [2019-12-07 16:29:08,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:08,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:29:08,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689611056] [2019-12-07 16:29:08,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:29:08,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:29:08,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:29:08,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:29:08,703 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2019-12-07 16:29:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:08,721 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2019-12-07 16:29:08,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:29:08,723 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 16:29:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:08,733 INFO L225 Difference]: With dead ends: 163 [2019-12-07 16:29:08,733 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 16:29:08,736 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 16:29:08,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 16:29:08,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 16:29:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 16:29:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2019-12-07 16:29:08,765 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2019-12-07 16:29:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:08,765 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2019-12-07 16:29:08,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:29:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-07 16:29:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:29:08,766 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:08,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:08,766 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:08,766 INFO L82 PathProgramCache]: Analyzing trace with hash -57311943, now seen corresponding path program 1 times [2019-12-07 16:29:08,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:29:08,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984043749] [2019-12-07 16:29:08,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:29:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:29:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:29:08,866 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 16:29:08,866 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:29:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:29:08 BoogieIcfgContainer [2019-12-07 16:29:08,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:29:08,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:29:08,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:29:08,891 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:29:08,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:08" (3/4) ... [2019-12-07 16:29:08,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:29:08,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:29:08,895 INFO L168 Benchmark]: Toolchain (without parser) took 1245.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 943.5 MB in the beginning and 955.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:08,895 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:29:08,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:08,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:08,896 INFO L168 Benchmark]: Boogie Preprocessor took 40.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:29:08,897 INFO L168 Benchmark]: RCFGBuilder took 543.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.7 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:08,897 INFO L168 Benchmark]: TraceAbstraction took 359.43 ms. Allocated memory is still 1.1 GB. Free memory was 993.7 MB in the beginning and 955.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:08,897 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:29:08,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 543.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.7 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 359.43 ms. Allocated memory is still 1.1 GB. Free memory was 993.7 MB in the beginning and 955.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 257]: 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 bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 256. 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; [L251] double x = -0.0; [L252] double 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={3:0}, atanlo_atan={6:0}, 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={3:0}, atanlo_atan={6:0}, 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={3:0}, atanlo_atan={6:0}, 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={3:0}, atanlo_atan={6:0}, 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] [L254] double res = __ieee754_atan2(y, x); [L256] COND TRUE res != -pi VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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] [L257] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, 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, 82 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:29:10,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:29:10,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:29:10,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:29:10,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:29:10,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:29:10,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:29:10,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:29:10,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:29:10,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:29:10,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:29:10,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:29:10,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:29:10,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:29:10,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:29:10,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:29:10,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:29:10,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:29:10,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:29:10,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:29:10,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:29:10,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:29:10,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:29:10,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:29:10,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:29:10,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:29:10,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:29:10,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:29:10,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:29:10,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:29:10,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:29:10,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:29:10,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:29:10,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:29:10,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:29:10,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:29:10,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:29:10,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:29:10,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:29:10,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:29:10,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:29:10,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:29:10,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:29:10,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:29:10,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:29:10,373 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:29:10,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:29:10,374 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:29:10,374 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:29:10,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:29:10,374 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:29:10,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:29:10,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:29:10,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:29:10,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:29:10,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:29:10,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:29:10,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:29:10,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:29:10,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:29:10,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:29:10,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:29:10,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:29:10,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:29:10,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:29:10,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:29:10,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:29:10,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:29:10,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:29:10,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:29:10,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:29:10,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:29:10,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:29:10,380 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_1be415ae-a3dd-4609-aa93-27cd925b5515/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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-07 16:29:10,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:29:10,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:29:10,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:29:10,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:29:10,564 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:29:10,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 16:29:10,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/9c0cfbc3f/59105909604b4265a8981b004701c2a3/FLAG0be1ae34f [2019-12-07 16:29:10,920 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:29:10,921 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 16:29:10,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/9c0cfbc3f/59105909604b4265a8981b004701c2a3/FLAG0be1ae34f [2019-12-07 16:29:10,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/data/9c0cfbc3f/59105909604b4265a8981b004701c2a3 [2019-12-07 16:29:10,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:29:10,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:29:10,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:10,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:29:10,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:29:10,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:10" (1/1) ... [2019-12-07 16:29:10,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc1e395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:10, skipping insertion in model container [2019-12-07 16:29:10,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:10" (1/1) ... [2019-12-07 16:29:10,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:29:10,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:29:11,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:11,113 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:29:11,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:11,215 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:29:11,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11 WrapperNode [2019-12-07 16:29:11,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:11,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:11,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:29:11,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:29:11,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:11,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:29:11,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:29:11,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:29:11,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... [2019-12-07 16:29:11,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:29:11,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:29:11,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:29:11,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:29:11,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 16:29:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 16:29:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 16:29:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:29:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 16:29:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:29:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:29:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:29:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:29:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:29:47,816 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:29:47,816 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 16:29:47,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:47 BoogieIcfgContainer [2019-12-07 16:29:47,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:29:47,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:29:47,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:29:47,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:29:47,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:29:10" (1/3) ... [2019-12-07 16:29:47,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137be607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:47, skipping insertion in model container [2019-12-07 16:29:47,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:11" (2/3) ... [2019-12-07 16:29:47,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137be607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:47, skipping insertion in model container [2019-12-07 16:29:47,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:47" (3/3) ... [2019-12-07 16:29:47,822 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-07 16:29:47,829 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:29:47,834 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:29:47,841 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:29:47,861 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:29:47,861 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:29:47,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:29:47,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:29:47,862 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:29:47,862 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:29:47,862 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:29:47,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:29:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 16:29:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:29:47,877 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:47,878 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:47,878 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:47,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 16:29:47,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:47,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555954656] [2019-12-07 16:29:47,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 16:29:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:48,216 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:29:48,219 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:48,229 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 16:29:48,229 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:48,231 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 16:29:48,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555954656] [2019-12-07 16:29:48,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:48,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:29:48,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762370662] [2019-12-07 16:29:48,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:29:48,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:48,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:29:48,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:29:48,247 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 16:29:48,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:48,267 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 16:29:48,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:29:48,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 16:29:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:48,276 INFO L225 Difference]: With dead ends: 224 [2019-12-07 16:29:48,277 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 16:29:48,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 16:29:48,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 16:29:48,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 16:29:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 16:29:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 16:29:48,309 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 16:29:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:48,309 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 16:29:48,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:29:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 16:29:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:29:48,310 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:48,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:48,511 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:29:48,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:48,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 16:29:48,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:48,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056607970] [2019-12-07 16:29:48,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 16:29:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:48,896 INFO L264 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 16:29:48,898 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:49,059 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 16:29:49,060 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:49,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:29:49,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:29:49,429 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 16:29:49,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056607970] [2019-12-07 16:29:49,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:49,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 16:29:49,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240150189] [2019-12-07 16:29:49,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 16:29:49,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:49,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 16:29:49,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:29:49,432 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2019-12-07 16:29:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:51,262 INFO L93 Difference]: Finished difference Result 161 states and 226 transitions. [2019-12-07 16:29:51,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:29:51,263 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-12-07 16:29:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:51,264 INFO L225 Difference]: With dead ends: 161 [2019-12-07 16:29:51,264 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 16:29:51,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-07 16:29:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 16:29:51,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 16:29:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 16:29:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2019-12-07 16:29:51,275 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2019-12-07 16:29:51,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:51,276 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2019-12-07 16:29:51,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 16:29:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2019-12-07 16:29:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:29:51,277 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:51,277 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:51,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:29:51,478 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:51,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:51,479 INFO L82 PathProgramCache]: Analyzing trace with hash 808768545, now seen corresponding path program 1 times [2019-12-07 16:29:51,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:51,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073639181] [2019-12-07 16:29:51,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/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 16:29:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:29:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:29:52,706 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:29:52,707 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:29:52,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:29:52,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:29:52 BoogieIcfgContainer [2019-12-07 16:29:52,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:29:52,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:29:52,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:29:52,975 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:29:52,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:47" (3/4) ... [2019-12-07 16:29:52,976 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:29:53,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1be415ae-a3dd-4609-aa93-27cd925b5515/bin/utaipan/witness.graphml [2019-12-07 16:29:53,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:29:53,028 INFO L168 Benchmark]: Toolchain (without parser) took 42090.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.4 MB in the beginning and 877.4 MB in the end (delta: 75.0 MB). Peak memory consumption was 219.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,028 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 16:29:53,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,029 INFO L168 Benchmark]: Boogie Preprocessor took 50.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,029 INFO L168 Benchmark]: RCFGBuilder took 36499.70 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: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,029 INFO L168 Benchmark]: TraceAbstraction took 5156.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 884.3 MB in the end (delta: 146.2 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,030 INFO L168 Benchmark]: Witness Printer took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 877.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:53,031 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 278.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 36499.70 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: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5156.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 884.3 MB in the end (delta: 146.2 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 877.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 257]: 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] [L251] double x = -0.0; [L252] double 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 FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) 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] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) 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] [L168] COND FALSE !((iy | ly) == 0) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L180] COND TRUE (ix | lx) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 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] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L254] double res = __ieee754_atan2(y, x); [L256] 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] [L257] __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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 612 SDslu, 13 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 13 QuantifiedInterpolants, 5024 SizeOfPredicates, 16 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 16 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...