./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................ 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_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:24:07,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:24:07,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:24:07,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:24:07,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:24:07,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:24:07,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:24:07,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:24:07,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:24:07,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:24:07,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:24:07,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:24:07,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:24:07,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:24:07,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:24:07,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:24:07,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:24:07,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:24:07,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:24:07,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:24:07,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:24:07,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:24:07,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:24:07,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:24:07,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:24:07,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:24:07,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:24:07,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:24:07,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:24:07,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:24:07,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:24:07,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:24:07,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:24:07,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:24:07,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:24:07,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:24:07,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:24:07,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:24:07,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:24:07,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:24:07,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:24:07,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:24:07,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:24:07,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:24:07,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:24:07,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:24:07,649 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:24:07,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:24:07,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:24:07,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:24:07,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:24:07,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:24:07,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:24:07,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:24:07,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:24:07,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:24:07,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:24:07,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:24:07,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:24:07,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:24:07,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:24:07,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:24:07,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:24:07,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:24:07,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:24:07,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:24:07,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:24:07,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:24:07,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:24:07,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:24:07,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-19 22:24:07,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:24:07,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:24:07,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:24:07,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:24:07,804 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:24:07,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-19 22:24:07,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/f465dcf6a/8d11ee57390843048476dbef261fe261/FLAGc8510ddbe [2019-11-19 22:24:08,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:24:08,254 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-19 22:24:08,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/f465dcf6a/8d11ee57390843048476dbef261fe261/FLAGc8510ddbe [2019-11-19 22:24:08,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/f465dcf6a/8d11ee57390843048476dbef261fe261 [2019-11-19 22:24:08,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:24:08,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:24:08,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:24:08,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:24:08,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:24:08,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:08" (1/1) ... [2019-11-19 22:24:08,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44224560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:08, skipping insertion in model container [2019-11-19 22:24:08,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:08" (1/1) ... [2019-11-19 22:24:08,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:24:08,716 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:24:08,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:24:08,980 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:24:09,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:24:09,057 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:24:09,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09 WrapperNode [2019-11-19 22:24:09,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:24:09,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:24:09,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:24:09,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:24:09,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:24:09,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:24:09,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:24:09,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:24:09,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... [2019-11-19 22:24:09,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:24:09,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:24:09,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:24:09,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:24:09,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:24:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:24:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 22:24:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:24:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 22:24:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:24:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:24:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:24:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:24:09,923 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:24:09,923 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-19 22:24:09,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:09 BoogieIcfgContainer [2019-11-19 22:24:09,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:24:09,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:24:09,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:24:09,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:24:09,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:24:08" (1/3) ... [2019-11-19 22:24:09,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e49294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:09, skipping insertion in model container [2019-11-19 22:24:09,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:09" (2/3) ... [2019-11-19 22:24:09,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e49294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:09, skipping insertion in model container [2019-11-19 22:24:09,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:09" (3/3) ... [2019-11-19 22:24:09,932 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-19 22:24:09,941 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:24:09,947 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:24:09,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:24:09,982 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:24:09,983 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:24:09,983 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:24:09,983 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:24:09,984 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:24:09,984 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:24:09,984 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:24:09,984 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:24:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-19 22:24:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:24:10,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:10,012 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:10,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:10,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:10,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-19 22:24:10,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:24:10,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823602277] [2019-11-19 22:24:10,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:24:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:24:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:10,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823602277] [2019-11-19 22:24:10,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:24:10,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:24:10,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497791606] [2019-11-19 22:24:10,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 22:24:10,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:24:10,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 22:24:10,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 22:24:10,169 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-19 22:24:10,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:24:10,197 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-19 22:24:10,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:24:10,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 22:24:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:24:10,211 INFO L225 Difference]: With dead ends: 140 [2019-11-19 22:24:10,211 INFO L226 Difference]: Without dead ends: 68 [2019-11-19 22:24:10,214 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 [2019-11-19 22:24:10,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-19 22:24:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-19 22:24:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-19 22:24:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-19 22:24:10,259 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-19 22:24:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:24:10,259 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-19 22:24:10,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 22:24:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-19 22:24:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:24:10,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:10,260 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:10,261 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:10,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:10,261 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-19 22:24:10,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:24:10,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304255718] [2019-11-19 22:24:10,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:24:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:24:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:24:10,353 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:24:10,353 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 22:24:10,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:24:10 BoogieIcfgContainer [2019-11-19 22:24:10,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:24:10,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:24:10,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:24:10,388 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:24:10,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:09" (3/4) ... [2019-11-19 22:24:10,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:24:10,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:24:10,401 INFO L168 Benchmark]: Toolchain (without parser) took 1727.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -69.2 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:10,401 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:24:10,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:10,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 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. [2019-11-19 22:24:10,403 INFO L168 Benchmark]: Boogie Preprocessor took 79.01 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. [2019-11-19 22:24:10,403 INFO L168 Benchmark]: RCFGBuilder took 732.76 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:10,404 INFO L168 Benchmark]: TraceAbstraction took 461.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:10,404 INFO L168 Benchmark]: Witness Printer took 11.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:24:10,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.01 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 732.76 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 461.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 11.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double x = 0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 97 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=71occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-678e011 [2019-11-19 22:24:12,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:24:12,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:24:12,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:24:12,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:24:12,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:24:12,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:24:12,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:24:12,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:24:12,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:24:12,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:24:12,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:24:12,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:24:12,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:24:12,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:24:12,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:24:12,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:24:12,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:24:12,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:24:12,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:24:12,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:24:12,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:24:12,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:24:12,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:24:12,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:24:12,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:24:12,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:24:12,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:24:12,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:24:12,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:24:12,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:24:12,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:24:12,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:24:12,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:24:12,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:24:12,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:24:12,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:24:12,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:24:12,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:24:12,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:24:12,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:24:12,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 22:24:12,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:24:12,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:24:12,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:24:12,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:24:12,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:24:12,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:24:12,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:24:12,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:24:12,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:24:12,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:24:12,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:24:12,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:24:12,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:24:12,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:24:12,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:24:12,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:24:12,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:24:12,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:24:12,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:24:12,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:24:12,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:24:12,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:24:12,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:24:12,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:24:12,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:24:12,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:24:12,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 22:24:12,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:24:12,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:24:12,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:24:12,482 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_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-19 22:24:12,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:24:12,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:24:12,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:24:12,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:24:12,777 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:24:12,778 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-19 22:24:12,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/1a3b8c4fc/65d544af48364171a24c31d7e93ecd40/FLAG6096339f1 [2019-11-19 22:24:13,194 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:24:13,195 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-19 22:24:13,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/1a3b8c4fc/65d544af48364171a24c31d7e93ecd40/FLAG6096339f1 [2019-11-19 22:24:13,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/data/1a3b8c4fc/65d544af48364171a24c31d7e93ecd40 [2019-11-19 22:24:13,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:24:13,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:24:13,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:24:13,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:24:13,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:24:13,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:13" (1/1) ... [2019-11-19 22:24:13,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a1cc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:13, skipping insertion in model container [2019-11-19 22:24:13,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:13" (1/1) ... [2019-11-19 22:24:13,574 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:24:13,599 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:24:13,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:24:13,873 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:24:13,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:24:14,020 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:24:14,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14 WrapperNode [2019-11-19 22:24:14,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:24:14,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:24:14,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:24:14,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:24:14,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:24:14,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:24:14,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:24:14,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:24:14,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... [2019-11-19 22:24:14,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:24:14,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:24:14,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:24:14,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:24:14,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:24:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 22:24:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 22:24:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:24:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 22:24:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:24:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:24:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 22:24:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:24:34,195 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:24:34,195 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-19 22:24:34,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:34 BoogieIcfgContainer [2019-11-19 22:24:34,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:24:34,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:24:34,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:24:34,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:24:34,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:24:13" (1/3) ... [2019-11-19 22:24:34,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c439f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:34, skipping insertion in model container [2019-11-19 22:24:34,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:14" (2/3) ... [2019-11-19 22:24:34,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c439f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:34, skipping insertion in model container [2019-11-19 22:24:34,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:34" (3/3) ... [2019-11-19 22:24:34,203 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-19 22:24:34,209 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:24:34,214 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:24:34,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:24:34,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:24:34,243 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:24:34,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:24:34,243 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:24:34,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:24:34,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:24:34,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:24:34,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:24:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-19 22:24:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:24:34,261 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:34,261 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:34,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-19 22:24:34,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 22:24:34,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631391360] [2019-11-19 22:24:34,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 22:24:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:24:35,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 22:24:35,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:24:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:35,081 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 22:24:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:35,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631391360] [2019-11-19 22:24:35,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:24:35,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 22:24:35,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189884222] [2019-11-19 22:24:35,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 22:24:35,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 22:24:35,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 22:24:35,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 22:24:35,109 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-19 22:24:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:24:35,132 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-19 22:24:35,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:24:35,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 22:24:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:24:35,144 INFO L225 Difference]: With dead ends: 140 [2019-11-19 22:24:35,144 INFO L226 Difference]: Without dead ends: 68 [2019-11-19 22:24:35,147 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 [2019-11-19 22:24:35,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-19 22:24:35,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-19 22:24:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-19 22:24:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-19 22:24:35,182 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-19 22:24:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:24:35,183 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-19 22:24:35,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 22:24:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-19 22:24:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:24:35,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:35,184 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:35,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 22:24:35,390 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:35,390 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-19 22:24:35,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 22:24:35,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486946673] [2019-11-19 22:24:35,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 22:24:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:24:40,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:24:40,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:24:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:40,400 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 22:24:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:40,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486946673] [2019-11-19 22:24:40,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:24:40,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 22:24:40,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257320779] [2019-11-19 22:24:40,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 22:24:40,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 22:24:40,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:24:40,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:24:40,474 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-11-19 22:24:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:24:41,908 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-11-19 22:24:41,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:24:41,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-19 22:24:41,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:24:41,914 INFO L225 Difference]: With dead ends: 124 [2019-11-19 22:24:41,914 INFO L226 Difference]: Without dead ends: 65 [2019-11-19 22:24:41,916 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:24:41,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-19 22:24:41,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-19 22:24:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-19 22:24:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-11-19 22:24:41,934 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-11-19 22:24:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:24:41,935 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-11-19 22:24:41,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 22:24:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-11-19 22:24:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:24:41,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:41,936 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:42,137 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 22:24:42,137 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:42,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:42,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-11-19 22:24:42,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 22:24:42,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266710935] [2019-11-19 22:24:42,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-19 22:24:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:24:42,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:24:42,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:24:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:42,460 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 22:24:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:42,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266710935] [2019-11-19 22:24:42,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:24:42,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 22:24:42,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305012847] [2019-11-19 22:24:42,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 22:24:42,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 22:24:42,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:24:42,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:24:42,555 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-11-19 22:24:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:24:42,856 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-11-19 22:24:42,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:24:42,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-19 22:24:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:24:42,862 INFO L225 Difference]: With dead ends: 69 [2019-11-19 22:24:42,864 INFO L226 Difference]: Without dead ends: 65 [2019-11-19 22:24:42,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:24:42,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-19 22:24:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-19 22:24:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-19 22:24:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-11-19 22:24:42,883 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-11-19 22:24:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:24:42,883 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-11-19 22:24:42,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 22:24:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-11-19 22:24:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 22:24:42,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:24:42,886 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:24:43,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 22:24:43,102 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:24:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:24:43,103 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-11-19 22:24:43,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 22:24:43,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623852695] [2019-11-19 22:24:43,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-19 22:24:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:24:50,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:24:50,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:24:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:50,133 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 22:24:50,868 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-19 22:24:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:24:51,094 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623852695] [2019-11-19 22:24:51,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:24:51,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-19 22:24:51,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125700308] [2019-11-19 22:24:51,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 22:24:51,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 22:24:51,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:24:51,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:24:51,096 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-11-19 22:24:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:24:51,267 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-11-19 22:24:51,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:24:51,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-19 22:24:51,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:24:51,271 INFO L225 Difference]: With dead ends: 65 [2019-11-19 22:24:51,271 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:24:51,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:24:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:24:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:24:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:24:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:24:51,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-19 22:24:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:24:51,273 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:24:51,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 22:24:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:24:51,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:24:51,474 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 22:24:51,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 22:24:51,688 INFO L444 ceAbstractionStarter]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-11-19 22:24:51,689 INFO L440 ceAbstractionStarter]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-11-19 22:24:51,689 INFO L444 ceAbstractionStarter]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-11-19 22:24:51,690 INFO L444 ceAbstractionStarter]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-11-19 22:24:51,691 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-11-19 22:24:51,691 INFO L444 ceAbstractionStarter]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-11-19 22:24:51,691 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-11-19 22:24:51,691 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-11-19 22:24:51,691 INFO L440 ceAbstractionStarter]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-11-19 22:24:51,691 INFO L440 ceAbstractionStarter]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-11-19 22:24:51,692 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-19 22:24:51,692 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-11-19 22:24:51,693 INFO L444 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-11-19 22:24:51,693 INFO L440 ceAbstractionStarter]: At program point L224(lines 158 225) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)))) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53))) [2019-11-19 22:24:51,693 INFO L440 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-11-19 22:24:51,693 INFO L444 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-11-19 22:24:51,696 INFO L444 ceAbstractionStarter]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-11-19 22:24:51,697 INFO L440 ceAbstractionStarter]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-11-19 22:24:51,697 INFO L444 ceAbstractionStarter]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-11-19 22:24:51,697 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 22:24:51,698 INFO L444 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-19 22:24:51,703 INFO L440 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_asin~0)) [2019-11-19 22:24:51,704 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-19 22:24:51,704 INFO L444 ceAbstractionStarter]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-11-19 22:24:51,704 INFO L440 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-11-19 22:24:51,705 INFO L447 ceAbstractionStarter]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-11-19 22:24:51,705 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-11-19 22:24:51,706 INFO L444 ceAbstractionStarter]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-11-19 22:24:51,706 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-11-19 22:24:51,707 INFO L440 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-11-19 22:24:51,707 INFO L444 ceAbstractionStarter]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-11-19 22:24:51,707 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-11-19 22:24:51,707 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-19 22:24:51,707 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-11-19 22:24:51,708 INFO L444 ceAbstractionStarter]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-11-19 22:24:51,708 INFO L444 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-19 22:24:51,708 INFO L440 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-19 22:24:51,708 INFO L444 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-19 22:24:51,708 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 22:24:51,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-11-19 22:24:51,710 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-11-19 22:24:51,710 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-11-19 22:24:51,710 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-11-19 22:24:51,710 INFO L444 ceAbstractionStarter]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-11-19 22:24:51,711 INFO L444 ceAbstractionStarter]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-11-19 22:24:51,719 INFO L444 ceAbstractionStarter]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-11-19 22:24:51,719 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-11-19 22:24:51,719 INFO L440 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-11-19 22:24:51,720 INFO L444 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-11-19 22:24:51,720 INFO L444 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-11-19 22:24:51,720 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-11-19 22:24:51,720 INFO L440 ceAbstractionStarter]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-11-19 22:24:51,720 INFO L444 ceAbstractionStarter]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-11-19 22:24:51,721 INFO L444 ceAbstractionStarter]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-11-19 22:24:51,721 INFO L444 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-19 22:24:51,721 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-19 22:24:51,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:24:51 BoogieIcfgContainer [2019-11-19 22:24:51,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:24:51,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:24:51,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:24:51,747 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:24:51,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:34" (3/4) ... [2019-11-19 22:24:51,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:24:51,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 22:24:51,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 22:24:51,766 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:24:51,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-11-19 22:24:51,840 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_924ca9e6-f4eb-4fae-aa39-6fe201b6461a/bin/uautomizer/witness.graphml [2019-11-19 22:24:51,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:24:51,848 INFO L168 Benchmark]: Toolchain (without parser) took 38284.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 950.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 171.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,848 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:24:51,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,850 INFO L168 Benchmark]: Boogie Preprocessor took 69.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,850 INFO L168 Benchmark]: RCFGBuilder took 20045.88 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: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,851 INFO L168 Benchmark]: TraceAbstraction took 17548.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 147.8 MB). Peak memory consumption was 147.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,851 INFO L168 Benchmark]: Witness Printer took 100.18 ms. Allocated memory is still 1.2 GB. Free memory was 956.5 MB in the beginning and 950.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:24:51,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20045.88 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: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17548.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.5 MB in the end (delta: 147.8 MB). Peak memory consumption was 147.8 MB. Max. memory is 11.5 GB. * Witness Printer took 100.18 ms. Allocated memory is still 1.2 GB. Free memory was 956.5 MB in the beginning and 950.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-19 22:24:51,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 22:24:51,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == x && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_asin) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_asin - InvariantResult [Line: 158]: Loop Invariant [2019-11-19 22:24:51,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-19 22:24:51,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 17.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 71 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 11.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 7751 SizeOfPredicates, 16 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...