./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly2.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_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/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 b63905375af38d9971341930078b6c47230c38fd ............................................................................................................................................................................................................................................................ 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_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/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 b63905375af38d9971341930078b6c47230c38fd .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:54:32,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:54:32,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:54:32,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:54:32,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:54:32,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:54:32,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:54:32,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:54:32,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:54:32,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:54:32,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:54:32,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:54:32,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:54:32,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:54:32,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:54:32,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:54:32,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:54:32,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:54:32,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:54:32,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:54:32,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:54:32,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:54:32,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:54:32,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:54:32,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:54:32,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:54:32,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:54:32,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:54:32,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:54:32,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:54:32,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:54:32,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:54:32,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:54:32,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:54:32,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:54:32,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:54:32,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:54:32,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:54:32,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:54:32,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:54:32,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:54:32,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:54:32,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:54:32,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:54:32,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:54:32,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:54:32,852 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:54:32,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:54:32,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:54:32,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:54:32,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:54:32,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:54:32,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:54:32,855 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_462050c6-944b-4a4b-a55a-54610efa92d2/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 -> b63905375af38d9971341930078b6c47230c38fd [2019-12-07 16:54:32,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:54:32,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:54:32,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:54:32,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:54:32,971 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:54:32,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-12-07 16:54:33,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/b1a5bf6ff/e13802b7464a489a9001012c5d71d46a/FLAG29ae7efd8 [2019-12-07 16:54:33,355 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:54:33,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-12-07 16:54:33,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/b1a5bf6ff/e13802b7464a489a9001012c5d71d46a/FLAG29ae7efd8 [2019-12-07 16:54:33,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/b1a5bf6ff/e13802b7464a489a9001012c5d71d46a [2019-12-07 16:54:33,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:54:33,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:54:33,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:33,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:54:33,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:54:33,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0f4f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33, skipping insertion in model container [2019-12-07 16:54:33,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:54:33,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:33,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:33,555 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:54:33,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:33,589 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:54:33,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33 WrapperNode [2019-12-07 16:54:33,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:33,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:33,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:54:33,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:54:33,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:33,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:54:33,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:54:33,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:54:33,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... [2019-12-07 16:54:33,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:54:33,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:54:33,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:54:33,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:54:33,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/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 16:54:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:54:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:54:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:54:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:54:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:54:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:54:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:54:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:54:33,822 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:54:33,822 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 16:54:33,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:33 BoogieIcfgContainer [2019-12-07 16:54:33,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:54:33,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:54:33,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:54:33,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:54:33,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:54:33" (1/3) ... [2019-12-07 16:54:33,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7937f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:33, skipping insertion in model container [2019-12-07 16:54:33,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:33" (2/3) ... [2019-12-07 16:54:33,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7937f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:33, skipping insertion in model container [2019-12-07 16:54:33,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:33" (3/3) ... [2019-12-07 16:54:33,828 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2019-12-07 16:54:33,834 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:54:33,838 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:54:33,846 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:54:33,861 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:54:33,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:54:33,862 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:54:33,862 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:54:33,862 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:54:33,862 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:54:33,862 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:54:33,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:54:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-12-07 16:54:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 16:54:33,874 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:33,875 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:33,875 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:33,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2019-12-07 16:54:33,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:54:33,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324529190] [2019-12-07 16:54:33,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:54:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:54:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:54:34,016 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:54:34,017 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:54:34,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:54:34 BoogieIcfgContainer [2019-12-07 16:54:34,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:54:34,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:54:34,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:54:34,036 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:54:34,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:33" (3/4) ... [2019-12-07 16:54:34,039 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:54:34,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:54:34,040 INFO L168 Benchmark]: Toolchain (without parser) took 666.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -110.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:34,041 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:34,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:34,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:34,043 INFO L168 Benchmark]: Boogie Preprocessor took 19.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:34,043 INFO L168 Benchmark]: RCFGBuilder took 184.14 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:34,044 INFO L168 Benchmark]: TraceAbstraction took 211.99 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:34,044 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:34,047 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.67 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 184.14 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 211.99 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L26] union u x; [L27] double r; [L28] int exp; [L30] x.d = a [L32] EXPR x.i[0] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 [L33] EXPR x.i[0] [L33] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L34] EXPR x.d [L34] r = x.d * 0.5 [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L38] COND TRUE exp % 2 == 0 [L39] exp++ VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L45] x.i[0] = (exp/2 + 511) << 20 [L46] EXPR x.d [L46] r = r * x.d [L48] return r; [L48] return r; VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L58] y = sqrt_custom(x) [L9] COND TRUE !(cond) VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L9] __VERIFIER_error() VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:54:35,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:54:35,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:54:35,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:54:35,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:54:35,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:54:35,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:54:35,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:54:35,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:54:35,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:54:35,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:54:35,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:54:35,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:54:35,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:54:35,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:54:35,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:54:35,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:54:35,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:54:35,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:54:35,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:54:35,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:54:35,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:54:35,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:54:35,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:54:35,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:54:35,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:54:35,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:54:35,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:54:35,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:54:35,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:54:35,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:54:35,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:54:35,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:54:35,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:54:35,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:54:35,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:54:35,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:54:35,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:54:35,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:54:35,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:54:35,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:54:35,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 16:54:35,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:54:35,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:54:35,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:54:35,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:54:35,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:54:35,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:54:35,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:54:35,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:54:35,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:54:35,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 16:54:35,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:54:35,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:54:35,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:54:35,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:54:35,500 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_462050c6-944b-4a4b-a55a-54610efa92d2/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 -> b63905375af38d9971341930078b6c47230c38fd [2019-12-07 16:54:35,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:54:35,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:54:35,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:54:35,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:54:35,680 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:54:35,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-12-07 16:54:35,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/f758577b0/87bbb474fd24465baf4205a7611a30f7/FLAG67055990d [2019-12-07 16:54:36,056 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:54:36,056 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2019-12-07 16:54:36,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/f758577b0/87bbb474fd24465baf4205a7611a30f7/FLAG67055990d [2019-12-07 16:54:36,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/data/f758577b0/87bbb474fd24465baf4205a7611a30f7 [2019-12-07 16:54:36,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:54:36,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:54:36,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:36,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:54:36,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:54:36,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36, skipping insertion in model container [2019-12-07 16:54:36,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:54:36,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:36,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:36,644 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:54:36,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:36,685 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:54:36,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36 WrapperNode [2019-12-07 16:54:36,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:36,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:36,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:54:36,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:54:36,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:36,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:54:36,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:54:36,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:54:36,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... [2019-12-07 16:54:36,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:54:36,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:54:36,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:54:36,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:54:36,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/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 16:54:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 16:54:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 16:54:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:54:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:54:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:54:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:54:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:54:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:54:39,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:54:39,678 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 16:54:39,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:39 BoogieIcfgContainer [2019-12-07 16:54:39,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:54:39,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:54:39,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:54:39,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:54:39,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:54:36" (1/3) ... [2019-12-07 16:54:39,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48936e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:39, skipping insertion in model container [2019-12-07 16:54:39,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:36" (2/3) ... [2019-12-07 16:54:39,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48936e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:39, skipping insertion in model container [2019-12-07 16:54:39,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:39" (3/3) ... [2019-12-07 16:54:39,684 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2019-12-07 16:54:39,690 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:54:39,695 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:54:39,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:54:39,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:54:39,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:54:39,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:54:39,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:54:39,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:54:39,718 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:54:39,718 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:54:39,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:54:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-12-07 16:54:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 16:54:39,729 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:54:39,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:54:39,730 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:54:39,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:54:39,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2019-12-07 16:54:39,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:54:39,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015288775] [2019-12-07 16:54:39,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/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 16:54:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:54:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:54:47,512 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 16:54:47,513 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:54:47,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:54:47,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:54:47 BoogieIcfgContainer [2019-12-07 16:54:47,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:54:47,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:54:47,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:54:47,771 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:54:47,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:39" (3/4) ... [2019-12-07 16:54:47,773 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:54:47,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_462050c6-944b-4a4b-a55a-54610efa92d2/bin/uautomizer/witness.graphml [2019-12-07 16:54:47,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:54:47,808 INFO L168 Benchmark]: Toolchain (without parser) took 11314.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -95.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,808 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:47,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,809 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:47,809 INFO L168 Benchmark]: RCFGBuilder took 2914.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,810 INFO L168 Benchmark]: TraceAbstraction took 8090.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,810 INFO L168 Benchmark]: Witness Printer took 36.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:47,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2914.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8090.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L26] union u x; [L27] double r; [L28] int exp; [L30] x.d = a [L32] EXPR x.i[0] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 [L33] EXPR x.i[0] [L33] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L34] EXPR x.d [L34] r = x.d * 0.5 [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L38] COND TRUE exp % 2 == 0 [L39] exp++ VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L45] x.i[0] = (exp/2 + 511) << 20 [L46] EXPR x.d [L46] r = r * x.d [L48] return r; [L48] return r; VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L58] y = sqrt_custom(x) [L9] COND TRUE !(cond) VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L9] __VERIFIER_error() VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 7.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! Received shutdown request...