./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/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 4b7d4ca5abe407f92e494aeba8bd319058a84bcf ....................................................................................................................................................................................................................................................................................................................................................................................... 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_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/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 4b7d4ca5abe407f92e494aeba8bd319058a84bcf .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:54:08,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:54:08,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:54:08,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:54:08,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:54:08,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:54:08,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:54:08,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:54:08,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:54:08,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:54:08,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:54:08,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:54:08,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:54:08,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:54:08,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:54:08,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:54:08,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:54:08,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:54:08,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:54:08,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:54:08,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:54:08,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:54:08,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:54:08,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:54:08,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:54:08,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:54:08,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:54:08,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:54:08,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:54:08,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:54:08,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:54:08,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:54:08,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:54:08,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:54:08,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:54:08,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:54:08,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:54:08,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:54:08,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:54:08,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:54:08,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:54:08,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:54:08,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:54:08,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:54:08,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:54:08,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:54:08,675 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:54:08,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:54:08,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:54:08,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:54:08,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:54:08,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:54:08,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:54:08,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:54:08,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:54:08,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:54:08,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:54:08,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:54:08,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:54:08,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:54:08,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:54:08,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:54:08,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:54:08,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:54:08,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:54:08,679 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_7822ded3-3449-4063-81c0-1da433004c90/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 -> 4b7d4ca5abe407f92e494aeba8bd319058a84bcf [2019-12-07 17:54:08,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:54:08,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:54:08,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:54:08,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:54:08,808 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:54:08,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 17:54:08,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/06db2819b/0825fd87002543889e61cbfef6d1fd82/FLAG3c5360fbd [2019-12-07 17:54:09,242 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:54:09,243 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 17:54:09,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/06db2819b/0825fd87002543889e61cbfef6d1fd82/FLAG3c5360fbd [2019-12-07 17:54:09,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/06db2819b/0825fd87002543889e61cbfef6d1fd82 [2019-12-07 17:54:09,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:54:09,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:54:09,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:54:09,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:54:09,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:54:09,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c8692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09, skipping insertion in model container [2019-12-07 17:54:09,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:54:09,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:54:09,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:54:09,488 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:54:09,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:54:09,542 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:54:09,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09 WrapperNode [2019-12-07 17:54:09,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:54:09,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:54:09,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:54:09,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:54:09,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:54:09,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:54:09,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:54:09,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:54:09,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... [2019-12-07 17:54:09,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:54:09,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:54:09,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:54:09,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:54:09,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:54:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:54:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:54:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:54:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:54:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:54:09,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:54:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:54:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:54:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:54:10,095 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:54:10,095 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 17:54:10,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:10 BoogieIcfgContainer [2019-12-07 17:54:10,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:54:10,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:54:10,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:54:10,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:54:10,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:54:09" (1/3) ... [2019-12-07 17:54:10,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eafe430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:54:10, skipping insertion in model container [2019-12-07 17:54:10,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:09" (2/3) ... [2019-12-07 17:54:10,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eafe430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:54:10, skipping insertion in model container [2019-12-07 17:54:10,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:10" (3/3) ... [2019-12-07 17:54:10,100 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2019-12-07 17:54:10,106 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:54:10,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:54:10,118 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:54:10,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:54:10,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:54:10,134 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:54:10,134 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:54:10,134 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:54:10,134 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:54:10,134 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:54:10,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:54:10,146 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 17:54:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 17:54:10,150 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:10,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:10,151 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:10,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 17:54:10,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:54:10,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138214263] [2019-12-07 17:54:10,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:54:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:54:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:10,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138214263] [2019-12-07 17:54:10,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:54:10,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:54:10,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227249661] [2019-12-07 17:54:10,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:54:10,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:54:10,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:54:10,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:54:10,269 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 17:54:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:54:10,290 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 17:54:10,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:54:10,291 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 17:54:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:54:10,299 INFO L225 Difference]: With dead ends: 256 [2019-12-07 17:54:10,299 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 17:54:10,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:54:10,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 17:54:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:54:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:54:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 17:54:10,330 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 17:54:10,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:54:10,330 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 17:54:10,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:54:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 17:54:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:54:10,331 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:10,331 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:10,331 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:10,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:10,331 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 17:54:10,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:54:10,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285753411] [2019-12-07 17:54:10,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:54:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:54:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:10,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285753411] [2019-12-07 17:54:10,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:54:10,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:54:10,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190535711] [2019-12-07 17:54:10,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:54:10,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:54:10,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:54:10,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:54:10,399 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 17:54:10,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:54:10,417 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 17:54:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:54:10,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 17:54:10,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:54:10,419 INFO L225 Difference]: With dead ends: 239 [2019-12-07 17:54:10,419 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 17:54:10,420 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:54:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 17:54:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:54:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:54:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 17:54:10,427 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 17:54:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:54:10,427 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 17:54:10,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:54:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 17:54:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 17:54:10,428 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:10,428 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:10,428 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:10,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 17:54:10,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:54:10,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150344608] [2019-12-07 17:54:10,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:54:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:54:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:54:10,598 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:54:10,598 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:54:10,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:54:10 BoogieIcfgContainer [2019-12-07 17:54:10,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:54:10,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:54:10,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:54:10,636 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:54:10,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:10" (3/4) ... [2019-12-07 17:54:10,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:54:10,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:54:10,641 INFO L168 Benchmark]: Toolchain (without parser) took 1381.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 949.0 MB in the beginning and 963.7 MB in the end (delta: -14.8 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,641 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:54:10,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,642 INFO L168 Benchmark]: Boogie Preprocessor took 42.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,643 INFO L168 Benchmark]: RCFGBuilder took 467.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,643 INFO L168 Benchmark]: TraceAbstraction took 538.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 963.7 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:10,643 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 963.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:54:10,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 467.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 538.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 963.7 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.1 GB. Free memory is still 963.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 298]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 297. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L297] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L298] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 17:54:11,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:54:11,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:54:12,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:54:12,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:54:12,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:54:12,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:54:12,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:54:12,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:54:12,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:54:12,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:54:12,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:54:12,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:54:12,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:54:12,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:54:12,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:54:12,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:54:12,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:54:12,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:54:12,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:54:12,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:54:12,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:54:12,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:54:12,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:54:12,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:54:12,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:54:12,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:54:12,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:54:12,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:54:12,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:54:12,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:54:12,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:54:12,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:54:12,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:54:12,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:54:12,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:54:12,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:54:12,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:54:12,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:54:12,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:54:12,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:54:12,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:54:12,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:54:12,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:54:12,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:54:12,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:54:12,038 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:54:12,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:54:12,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:54:12,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:54:12,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:54:12,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:54:12,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:54:12,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:54:12,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:54:12,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:54:12,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:54:12,042 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_7822ded3-3449-4063-81c0-1da433004c90/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 -> 4b7d4ca5abe407f92e494aeba8bd319058a84bcf [2019-12-07 17:54:12,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:54:12,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:54:12,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:54:12,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:54:12,230 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:54:12,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 17:54:12,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/6f8b85433/6335e74b86f54482a4fdccec544ed2fb/FLAGca41cd2fb [2019-12-07 17:54:12,684 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:54:12,685 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 17:54:12,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/6f8b85433/6335e74b86f54482a4fdccec544ed2fb/FLAGca41cd2fb [2019-12-07 17:54:13,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/data/6f8b85433/6335e74b86f54482a4fdccec544ed2fb [2019-12-07 17:54:13,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:54:13,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:54:13,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:54:13,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:54:13,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:54:13,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67747d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13, skipping insertion in model container [2019-12-07 17:54:13,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:54:13,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:54:13,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:54:13,227 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:54:13,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:54:13,329 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:54:13,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13 WrapperNode [2019-12-07 17:54:13,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:54:13,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:54:13,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:54:13,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:54:13,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:54:13,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:54:13,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:54:13,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:54:13,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... [2019-12-07 17:54:13,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:54:13,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:54:13,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:54:13,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:54:13,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:54:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:54:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:54:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:54:50,468 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:54:50,468 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 17:54:50,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:50 BoogieIcfgContainer [2019-12-07 17:54:50,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:54:50,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:54:50,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:54:50,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:54:50,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:54:13" (1/3) ... [2019-12-07 17:54:50,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5afbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:54:50, skipping insertion in model container [2019-12-07 17:54:50,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:54:13" (2/3) ... [2019-12-07 17:54:50,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5afbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:54:50, skipping insertion in model container [2019-12-07 17:54:50,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:50" (3/3) ... [2019-12-07 17:54:50,474 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2019-12-07 17:54:50,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:54:50,487 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:54:50,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:54:50,511 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:54:50,511 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:54:50,512 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:54:50,512 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:54:50,512 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:54:50,512 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:54:50,512 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:54:50,512 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:54:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 17:54:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 17:54:50,528 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:50,529 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:50,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:50,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:50,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 17:54:50,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:54:50,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717152051] [2019-12-07 17:54:50,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 17:54:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:54:50,894 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:54:50,898 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:54:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:50,909 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:54:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:50,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717152051] [2019-12-07 17:54:50,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:54:50,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:54:50,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372887225] [2019-12-07 17:54:50,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:54:50,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:54:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:54:50,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:54:50,932 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 17:54:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:54:50,955 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 17:54:50,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:54:50,956 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 17:54:50,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:54:50,966 INFO L225 Difference]: With dead ends: 256 [2019-12-07 17:54:50,967 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 17:54:50,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:54:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 17:54:51,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:54:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:54:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 17:54:51,003 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 17:54:51,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:54:51,004 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 17:54:51,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:54:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 17:54:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:54:51,005 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:51,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:51,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:54:51,205 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:51,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:51,206 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 17:54:51,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:54:51,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822392196] [2019-12-07 17:54:51,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 17:54:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:54:51,594 INFO L264 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:54:51,596 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:54:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:51,607 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:54:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:54:51,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822392196] [2019-12-07 17:54:51,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:54:51,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 17:54:51,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688384268] [2019-12-07 17:54:51,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:54:51,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:54:51,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:54:51,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:54:51,612 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 17:54:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:54:51,645 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 17:54:51,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:54:51,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 17:54:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:54:51,647 INFO L225 Difference]: With dead ends: 239 [2019-12-07 17:54:51,647 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 17:54:51,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:54:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 17:54:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:54:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:54:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 17:54:51,655 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 17:54:51,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:54:51,656 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 17:54:51,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:54:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 17:54:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 17:54:51,656 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:54:51,657 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:54:51,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:54:51,858 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:54:51,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:54:51,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 17:54:51,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:54:51,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552163293] [2019-12-07 17:54:51,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 17:54:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:54:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:54:53,598 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:54:53,598 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:54:53,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:54:53,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:54:53 BoogieIcfgContainer [2019-12-07 17:54:53,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:54:53,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:54:53,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:54:53,854 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:54:53,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:54:50" (3/4) ... [2019-12-07 17:54:53,856 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:54:53,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7822ded3-3449-4063-81c0-1da433004c90/bin/uautomizer/witness.graphml [2019-12-07 17:54:53,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:54:53,913 INFO L168 Benchmark]: Toolchain (without parser) took 40861.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 952.4 MB in the beginning and 881.7 MB in the end (delta: 70.6 MB). Peak memory consumption was 191.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,913 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:54:53,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,914 INFO L168 Benchmark]: Boogie Preprocessor took 53.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,915 INFO L168 Benchmark]: RCFGBuilder took 37037.58 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,915 INFO L168 Benchmark]: TraceAbstraction took 3383.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 888.4 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,915 INFO L168 Benchmark]: Witness Printer took 57.57 ms. Allocated memory is still 1.1 GB. Free memory was 888.4 MB in the beginning and 881.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:54:53,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37037.58 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3383.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 888.4 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.57 ms. Allocated memory is still 1.1 GB. Free memory was 888.4 MB in the beginning and 881.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 298]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L297] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L298] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...