./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.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_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 6325aa1d97dea13f4033dc32ee324acae8808fcc .................................................................................................................................................................................................................................................................................................................................. 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_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 6325aa1d97dea13f4033dc32ee324acae8808fcc ............................................................................................................................................................................................................................................................................................................................................ 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 10:17:36,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:17:36,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:17:36,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:17:36,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:17:36,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:17:36,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:17:36,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:17:36,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:17:36,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:17:36,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:17:36,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:17:36,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:17:36,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:17:36,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:17:36,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:17:36,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:17:36,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:17:36,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:17:36,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:17:36,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:17:36,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:17:36,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:17:36,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:17:36,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:17:36,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:17:36,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:17:36,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:17:36,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:17:36,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:17:36,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:17:36,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:17:36,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:17:36,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:17:36,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:17:36,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:17:36,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:17:36,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:17:36,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:17:36,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:17:36,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:17:36,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:17:36,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:17:36,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:17:36,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:17:36,136 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:17:36,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:17:36,136 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:17:36,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:17:36,137 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:17:36,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:17:36,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:17:36,137 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:17:36,137 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:17:36,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:17:36,138 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:17:36,138 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:17:36,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:17:36,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:17:36,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:17:36,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:17:36,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:17:36,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:17:36,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:17:36,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:17:36,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:17:36,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:17:36,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:17:36,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:17:36,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:17:36,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:17:36,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:17:36,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:17:36,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:17:36,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:17:36,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:17:36,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:17:36,143 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_82096e78-07dc-4355-a915-05aedd24d931/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 -> 6325aa1d97dea13f4033dc32ee324acae8808fcc [2019-12-07 10:17:36,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:17:36,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:17:36,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:17:36,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:17:36,263 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:17:36,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 10:17:36,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/ad4d58ecc/0ed3bbc9e0464bc6a75fd9897fb93634/FLAG13dc40862 [2019-12-07 10:17:36,625 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:17:36,625 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 10:17:36,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/ad4d58ecc/0ed3bbc9e0464bc6a75fd9897fb93634/FLAG13dc40862 [2019-12-07 10:17:36,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/ad4d58ecc/0ed3bbc9e0464bc6a75fd9897fb93634 [2019-12-07 10:17:36,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:17:36,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:17:36,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:17:36,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:17:36,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:17:36,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a5c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36, skipping insertion in model container [2019-12-07 10:17:36,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:17:36,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:17:36,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:17:36,849 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:17:36,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:17:36,899 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:17:36,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36 WrapperNode [2019-12-07 10:17:36,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:17:36,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:17:36,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:17:36,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:17:36,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:17:36,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:17:36,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:17:36,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:17:36,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... [2019-12-07 10:17:36,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:17:36,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:17:36,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:17:36,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:17:36,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 10:17:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:17:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 10:17:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:17:37,538 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:17:37,539 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 10:17:37,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:17:37 BoogieIcfgContainer [2019-12-07 10:17:37,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:17:37,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:17:37,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:17:37,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:17:37,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:17:36" (1/3) ... [2019-12-07 10:17:37,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7855d842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:17:37, skipping insertion in model container [2019-12-07 10:17:37,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:36" (2/3) ... [2019-12-07 10:17:37,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7855d842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:17:37, skipping insertion in model container [2019-12-07 10:17:37,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:17:37" (3/3) ... [2019-12-07 10:17:37,545 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2019-12-07 10:17:37,552 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:17:37,556 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:17:37,563 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:17:37,580 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:17:37,580 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:17:37,581 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:17:37,581 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:17:37,581 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:17:37,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:17:37,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:17:37,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:17:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 10:17:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 10:17:37,596 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:17:37,597 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:17:37,597 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:17:37,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:17:37,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1657939440, now seen corresponding path program 1 times [2019-12-07 10:17:37,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:17:37,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222235013] [2019-12-07 10:17:37,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:17:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:17:37,700 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 10:17:37,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222235013] [2019-12-07 10:17:37,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:17:37,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:17:37,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128680362] [2019-12-07 10:17:37,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:17:37,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:17:37,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:17:37,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:17:37,714 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2019-12-07 10:17:37,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:17:37,732 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2019-12-07 10:17:37,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:17:37,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 10:17:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:17:37,740 INFO L225 Difference]: With dead ends: 163 [2019-12-07 10:17:37,740 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 10:17:37,743 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 10:17:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 10:17:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 10:17:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 10:17:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2019-12-07 10:17:37,769 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2019-12-07 10:17:37,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:17:37,769 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2019-12-07 10:17:37,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:17:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-07 10:17:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:17:37,770 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:17:37,770 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:17:37,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:17:37,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:17:37,770 INFO L82 PathProgramCache]: Analyzing trace with hash -57311943, now seen corresponding path program 1 times [2019-12-07 10:17:37,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:17:37,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830721325] [2019-12-07 10:17:37,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:17:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:17:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:17:37,869 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 10:17:37,869 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:17:37,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:17:37 BoogieIcfgContainer [2019-12-07 10:17:37,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:17:37,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:17:37,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:17:37,894 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:17:37,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:17:37" (3/4) ... [2019-12-07 10:17:37,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:17:37,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:17:37,899 INFO L168 Benchmark]: Toolchain (without parser) took 1255.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.8 MB in the beginning and 975.6 MB in the end (delta: -34.8 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:17:37,899 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:17:37,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:17:37,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 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 10:17:37,900 INFO L168 Benchmark]: Boogie Preprocessor took 40.07 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 10:17:37,901 INFO L168 Benchmark]: RCFGBuilder took 559.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:17:37,901 INFO L168 Benchmark]: TraceAbstraction took 353.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:17:37,901 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.1 GB. Free memory is still 975.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:17:37,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.45 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 40.07 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 559.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 353.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.1 GB. Free memory is still 975.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 256]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 255. 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; [L250] double x = 1.0 / 0.0; [L251] double y = 1.0 / 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] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi_o_4 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] [L256] __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 10:17:39,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:17:39,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:17:39,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:17:39,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:17:39,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:17:39,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:17:39,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:17:39,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:17:39,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:17:39,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:17:39,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:17:39,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:17:39,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:17:39,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:17:39,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:17:39,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:17:39,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:17:39,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:17:39,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:17:39,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:17:39,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:17:39,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:17:39,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:17:39,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:17:39,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:17:39,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:17:39,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:17:39,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:17:39,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:17:39,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:17:39,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:17:39,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:17:39,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:17:39,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:17:39,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:17:39,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:17:39,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:17:39,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:17:39,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:17:39,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:17:39,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:17:39,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:17:39,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:17:39,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:17:39,282 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:17:39,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:17:39,282 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:17:39,282 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:17:39,282 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:17:39,283 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:17:39,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:17:39,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:17:39,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:17:39,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:17:39,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:17:39,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:17:39,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:17:39,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:17:39,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:17:39,286 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_82096e78-07dc-4355-a915-05aedd24d931/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 -> 6325aa1d97dea13f4033dc32ee324acae8808fcc [2019-12-07 10:17:39,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:17:39,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:17:39,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:17:39,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:17:39,467 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:17:39,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 10:17:39,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/aa0cf2419/07f5cdfe52e74055b711ee2bd956e4da/FLAG790532fcc [2019-12-07 10:17:39,993 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:17:39,994 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2019-12-07 10:17:39,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/aa0cf2419/07f5cdfe52e74055b711ee2bd956e4da/FLAG790532fcc [2019-12-07 10:17:40,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/data/aa0cf2419/07f5cdfe52e74055b711ee2bd956e4da [2019-12-07 10:17:40,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:17:40,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:17:40,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:17:40,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:17:40,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:17:40,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40, skipping insertion in model container [2019-12-07 10:17:40,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:17:40,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:17:40,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:17:40,202 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:17:40,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:17:40,300 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:17:40,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40 WrapperNode [2019-12-07 10:17:40,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:17:40,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:17:40,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:17:40,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:17:40,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:17:40,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:17:40,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:17:40,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:17:40,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... [2019-12-07 10:17:40,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:17:40,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:17:40,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:17:40,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:17:40,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 10:17:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 10:17:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 10:17:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:17:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 10:17:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:17:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:17:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:17:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:17:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:18:17,326 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:18:17,326 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 10:18:17,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:18:17 BoogieIcfgContainer [2019-12-07 10:18:17,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:18:17,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:18:17,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:18:17,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:18:17,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:17:40" (1/3) ... [2019-12-07 10:18:17,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9a28b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:18:17, skipping insertion in model container [2019-12-07 10:18:17,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:17:40" (2/3) ... [2019-12-07 10:18:17,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9a28b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:18:17, skipping insertion in model container [2019-12-07 10:18:17,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:18:17" (3/3) ... [2019-12-07 10:18:17,334 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2019-12-07 10:18:17,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:18:17,346 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:18:17,353 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:18:17,370 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:18:17,370 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:18:17,370 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:18:17,371 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:18:17,371 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:18:17,371 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:18:17,371 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:18:17,371 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:18:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 10:18:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:18:17,387 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:18:17,387 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:18:17,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:18:17,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:18:17,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 10:18:17,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:18:17,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966434689] [2019-12-07 10:18:17,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 10:18:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:18:17,738 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:18:17,742 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:18:17,753 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 10:18:17,753 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:18:17,756 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 10:18:17,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966434689] [2019-12-07 10:18:17,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:18:17,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:18:17,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487031735] [2019-12-07 10:18:17,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:18:17,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:18:17,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:18:17,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:18:17,774 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 10:18:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:18:17,795 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 10:18:17,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:18:17,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 10:18:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:18:17,804 INFO L225 Difference]: With dead ends: 224 [2019-12-07 10:18:17,804 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 10:18:17,807 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 10:18:17,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 10:18:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 10:18:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 10:18:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 10:18:17,835 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 10:18:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:18:17,836 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 10:18:17,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:18:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 10:18:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 10:18:17,836 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:18:17,837 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:18:18,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:18:18,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:18:18,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:18:18,040 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 10:18:18,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:18:18,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754865401] [2019-12-07 10:18:18,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/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 10:18:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:18:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:18:19,375 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 10:18:19,375 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:18:19,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:18:19,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:18:19 BoogieIcfgContainer [2019-12-07 10:18:19,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:18:19,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:18:19,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:18:19,643 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:18:19,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:18:17" (3/4) ... [2019-12-07 10:18:19,645 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:18:19,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_82096e78-07dc-4355-a915-05aedd24d931/bin/utaipan/witness.graphml [2019-12-07 10:18:19,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:18:19,696 INFO L168 Benchmark]: Toolchain (without parser) took 39684.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 950.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 133.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,696 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 10:18:19,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,697 INFO L168 Benchmark]: Boogie Preprocessor took 46.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,698 INFO L168 Benchmark]: RCFGBuilder took 36931.78 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,698 INFO L168 Benchmark]: TraceAbstraction took 2315.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 957.4 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,699 INFO L168 Benchmark]: Witness Printer took 50.99 ms. Allocated memory is still 1.2 GB. Free memory was 957.4 MB in the beginning and 950.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:18:19,701 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 289.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 36931.78 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2315.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 957.4 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.99 ms. Allocated memory is still 1.2 GB. Free memory was 957.4 MB in the beginning and 950.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 256]: 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] [L250] double x = 1.0 / 0.0; [L251] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi_o_4 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] [L256] __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: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate 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...