./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ................................................................................................................................................................................................................................................................................................ 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_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/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 43a504f2a78cd97f2f59239768b095c018a8cdcb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:35:46,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:35:46,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:35:46,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:35:46,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:35:46,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:35:46,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:35:46,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:35:46,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:35:46,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:35:46,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:35:46,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:35:46,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:35:46,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:35:46,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:35:46,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:35:46,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:35:46,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:35:46,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:35:46,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:35:46,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:35:46,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:35:46,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:35:46,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:35:46,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:35:46,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:35:46,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:35:46,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:35:46,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:35:46,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:35:46,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:35:46,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:35:46,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:35:46,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:35:46,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:35:46,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:35:46,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:35:46,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:35:46,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:35:46,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:35:46,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:35:46,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:35:46,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:35:46,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:35:46,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:35:46,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:35:46,775 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:35:46,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:35:46,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:35:46,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:35:46,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:35:46,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:35:46,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:35:46,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:35:46,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:35:46,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:35:46,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:35:46,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:35:46,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:35:46,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:35:46,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:35:46,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:35:46,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:35:46,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:35:46,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:35:46,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:35:46,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:35:46,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:35:46,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:35:46,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:35:46,783 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_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-11-15 23:35:46,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:35:46,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:35:46,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:35:46,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:35:46,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:35:46,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-15 23:35:46,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/14b3e5f4b/f8d0c205b04d4ba399ec8313d865e06c/FLAGc070ef812 [2019-11-15 23:35:47,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:35:47,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-15 23:35:47,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/14b3e5f4b/f8d0c205b04d4ba399ec8313d865e06c/FLAGc070ef812 [2019-11-15 23:35:47,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/14b3e5f4b/f8d0c205b04d4ba399ec8313d865e06c [2019-11-15 23:35:47,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:35:47,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:35:47,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:35:47,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:35:47,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:35:47,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:35:47" (1/1) ... [2019-11-15 23:35:47,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b4799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:47, skipping insertion in model container [2019-11-15 23:35:47,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:35:47" (1/1) ... [2019-11-15 23:35:47,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:35:47,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:35:48,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:35:48,294 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:35:48,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:35:48,384 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:35:48,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48 WrapperNode [2019-11-15 23:35:48,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:35:48,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:35:48,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:35:48,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:35:48,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:35:48,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:35:48,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:35:48,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:35:48,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... [2019-11-15 23:35:48,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:35:48,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:35:48,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:35:48,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:35:48,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:35:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:35:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 23:35:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:35:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 23:35:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:35:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:35:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:35:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:35:49,186 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:35:49,186 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 23:35:49,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:35:49 BoogieIcfgContainer [2019-11-15 23:35:49,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:35:49,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:35:49,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:35:49,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:35:49,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:35:47" (1/3) ... [2019-11-15 23:35:49,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe3851c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:35:49, skipping insertion in model container [2019-11-15 23:35:49,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:48" (2/3) ... [2019-11-15 23:35:49,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe3851c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:35:49, skipping insertion in model container [2019-11-15 23:35:49,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:35:49" (3/3) ... [2019-11-15 23:35:49,196 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2019-11-15 23:35:49,207 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:35:49,216 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:35:49,228 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:35:49,257 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:35:49,258 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:35:49,258 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:35:49,258 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:35:49,258 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:35:49,258 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:35:49,258 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:35:49,259 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:35:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-15 23:35:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:35:49,289 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:35:49,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:35:49,293 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:35:49,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:35:49,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-15 23:35:49,307 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:35:49,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072316571] [2019-11-15 23:35:49,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:35:49,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:35:49,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:35:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:35:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:35:49,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072316571] [2019-11-15 23:35:49,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:35:49,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:35:49,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307422116] [2019-11-15 23:35:49,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:35:49,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:35:49,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:35:49,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:35:49,461 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-15 23:35:49,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:35:49,482 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-15 23:35:49,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:35:49,484 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 23:35:49,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:35:49,497 INFO L225 Difference]: With dead ends: 86 [2019-11-15 23:35:49,497 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 23:35:49,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:35:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 23:35:49,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-15 23:35:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 23:35:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-15 23:35:49,543 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-15 23:35:49,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:35:49,544 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-15 23:35:49,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:35:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-15 23:35:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:35:49,545 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:35:49,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:35:49,545 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:35:49,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:35:49,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-15 23:35:49,546 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:35:49,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200410733] [2019-11-15 23:35:49,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:35:49,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:35:49,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:35:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:35:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:35:49,652 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:35:49,653 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:35:49,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:35:49 BoogieIcfgContainer [2019-11-15 23:35:49,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:35:49,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:35:49,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:35:49,693 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:35:49,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:35:49" (3/4) ... [2019-11-15 23:35:49,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:35:49,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:35:49,700 INFO L168 Benchmark]: Toolchain (without parser) took 1871.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:35:49,701 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:35:49,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:35:49,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.69 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:35:49,703 INFO L168 Benchmark]: Boogie Preprocessor took 91.32 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. [2019-11-15 23:35:49,704 INFO L168 Benchmark]: RCFGBuilder took 617.02 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:35:49,705 INFO L168 Benchmark]: TraceAbstraction took 503.37 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:35:49,705 INFO L168 Benchmark]: Witness Printer took 5.43 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. [2019-11-15 23:35:49,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.69 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.32 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 617.02 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 503.37 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.43 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float x = -1.0f / 0.0f; [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L155] float res = __ieee754_log10f(x); [L145] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L158] COND TRUE !isnan_float(res) [L159] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:35:52,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:35:52,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:35:52,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:35:52,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:35:52,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:35:52,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:35:52,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:35:52,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:35:52,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:35:52,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:35:52,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:35:52,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:35:52,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:35:52,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:35:52,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:35:52,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:35:52,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:35:52,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:35:52,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:35:52,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:35:52,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:35:52,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:35:52,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:35:52,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:35:52,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:35:52,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:35:52,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:35:52,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:35:52,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:35:52,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:35:52,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:35:52,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:35:52,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:35:52,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:35:52,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:35:52,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:35:52,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:35:52,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:35:52,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:35:52,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:35:52,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:35:52,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:35:52,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:35:52,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:35:52,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:35:52,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:35:52,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:35:52,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:35:52,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:35:52,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:35:52,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:35:52,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:35:52,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:35:52,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:35:52,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:35:52,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:35:52,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:35:52,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:35:52,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:35:52,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:35:52,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:35:52,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:35:52,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:35:52,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:35:52,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:35:52,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:35:52,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:35:52,551 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:35:52,551 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:35:52,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:35:52,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:35:52,552 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_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-11-15 23:35:52,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:35:52,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:35:52,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:35:52,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:35:52,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:35:52,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-15 23:35:52,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/9e2bdffc9/7bd7a2b5aa2141a580feec354c525a75/FLAG838d193de [2019-11-15 23:35:53,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:35:53,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-15 23:35:53,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/9e2bdffc9/7bd7a2b5aa2141a580feec354c525a75/FLAG838d193de [2019-11-15 23:35:53,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/data/9e2bdffc9/7bd7a2b5aa2141a580feec354c525a75 [2019-11-15 23:35:53,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:35:53,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:35:53,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:35:53,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:35:53,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:35:53,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:35:53" (1/1) ... [2019-11-15 23:35:53,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d354c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:53, skipping insertion in model container [2019-11-15 23:35:53,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:35:53" (1/1) ... [2019-11-15 23:35:53,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:35:53,571 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:35:53,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:35:53,885 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:35:54,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:35:54,082 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:35:54,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54 WrapperNode [2019-11-15 23:35:54,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:35:54,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:35:54,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:35:54,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:35:54,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:35:54,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:35:54,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:35:54,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:35:54,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... [2019-11-15 23:35:54,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:35:54,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:35:54,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:35:54,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:35:54,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:35:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:35:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 23:35:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:35:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:35:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:35:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 23:35:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:35:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:36:10,431 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:36:10,431 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 23:36:10,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:36:10 BoogieIcfgContainer [2019-11-15 23:36:10,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:36:10,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:36:10,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:36:10,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:36:10,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:35:53" (1/3) ... [2019-11-15 23:36:10,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392051ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:36:10, skipping insertion in model container [2019-11-15 23:36:10,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:35:54" (2/3) ... [2019-11-15 23:36:10,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392051ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:36:10, skipping insertion in model container [2019-11-15 23:36:10,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:36:10" (3/3) ... [2019-11-15 23:36:10,439 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2019-11-15 23:36:10,448 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:36:10,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:36:10,464 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:36:10,486 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:36:10,487 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:36:10,487 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:36:10,487 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:36:10,487 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:36:10,487 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:36:10,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:36:10,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:36:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-15 23:36:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:36:10,508 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:36:10,509 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:36:10,511 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:36:10,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:36:10,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-15 23:36:10,525 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:36:10,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878232952] [2019-11-15 23:36:10,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 23:36:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:36:10,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:36:10,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:36:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:10,901 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:36:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:10,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878232952] [2019-11-15 23:36:10,906 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:36:10,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:36:10,907 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752179276] [2019-11-15 23:36:10,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:36:10,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:36:10,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:36:10,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:36:10,926 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-15 23:36:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:36:10,950 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-15 23:36:10,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:36:10,952 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 23:36:10,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:36:10,964 INFO L225 Difference]: With dead ends: 86 [2019-11-15 23:36:10,965 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 23:36:10,968 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:36:10,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 23:36:11,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-15 23:36:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 23:36:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-15 23:36:11,009 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-15 23:36:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:36:11,010 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-15 23:36:11,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:36:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-15 23:36:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:36:11,011 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:36:11,011 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:36:11,228 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:36:11,228 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:36:11,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:36:11,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-15 23:36:11,231 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:36:11,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517216698] [2019-11-15 23:36:11,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-15 23:36:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:36:11,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 23:36:11,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:36:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:11,617 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:36:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:11,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517216698] [2019-11-15 23:36:11,701 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:36:11,701 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-15 23:36:11,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822064584] [2019-11-15 23:36:11,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:36:11,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:36:11,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:36:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:36:11,705 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-11-15 23:36:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:36:12,074 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2019-11-15 23:36:12,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:36:12,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-15 23:36:12,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:36:12,076 INFO L225 Difference]: With dead ends: 46 [2019-11-15 23:36:12,076 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 23:36:12,077 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:36:12,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 23:36:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 23:36:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 23:36:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-15 23:36:12,081 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2019-11-15 23:36:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:36:12,082 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-15 23:36:12,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:36:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-15 23:36:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:36:12,083 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:36:12,083 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:36:12,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 23:36:12,303 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:36:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:36:12,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-11-15 23:36:12,304 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:36:12,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230117286] [2019-11-15 23:36:12,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-15 23:36:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:36:12,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 23:36:12,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:36:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:12,820 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:36:18,640 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-11-15 23:36:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:36:18,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230117286] [2019-11-15 23:36:18,650 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:36:18,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 23:36:18,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461455776] [2019-11-15 23:36:18,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 23:36:18,651 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:36:18,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 23:36:18,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:36:18,652 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 10 states. [2019-11-15 23:36:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:36:19,323 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-15 23:36:19,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:36:19,324 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-15 23:36:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:36:19,324 INFO L225 Difference]: With dead ends: 12 [2019-11-15 23:36:19,324 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:36:19,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-15 23:36:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:36:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:36:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:36:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:36:19,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-15 23:36:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:36:19,327 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:36:19,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 23:36:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:36:19,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:36:19,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 23:36:19,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:36:19,701 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-11-15 23:36:19,701 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-15 23:36:19,701 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-11-15 23:36:19,701 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2019-11-15 23:36:19,702 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2019-11-15 23:36:19,702 INFO L443 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2019-11-15 23:36:19,702 INFO L439 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: false [2019-11-15 23:36:19,702 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:36:19,702 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:36:19,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2019-11-15 23:36:19,703 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-11-15 23:36:19,703 INFO L443 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-11-15 23:36:19,703 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-15 23:36:19,703 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= ~zero~0 .cse0) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse1) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) [2019-11-15 23:36:19,704 INFO L446 ceAbstractionStarter]: At program point L163(lines 147 164) the Hoare annotation is: true [2019-11-15 23:36:19,704 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-11-15 23:36:19,704 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:36:19,704 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:36:19,704 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-11-15 23:36:19,704 INFO L443 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-11-15 23:36:19,705 INFO L439 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-11-15 23:36:19,705 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:36:19,705 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-11-15 23:36:19,705 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-11-15 23:36:19,705 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-11-15 23:36:19,705 INFO L443 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-11-15 23:36:19,705 INFO L443 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-11-15 23:36:19,706 INFO L439 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-11-15 23:36:19,706 INFO L443 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-11-15 23:36:19,706 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-11-15 23:36:19,706 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-11-15 23:36:19,706 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:36:19,706 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-11-15 23:36:19,707 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-11-15 23:36:19,707 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-11-15 23:36:19,711 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-11-15 23:36:19,711 INFO L439 ceAbstractionStarter]: At program point L141(lines 105 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= ~zero~0 .cse0) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse1))) [2019-11-15 23:36:19,711 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 161) no Hoare annotation was computed. [2019-11-15 23:36:19,712 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-11-15 23:36:19,712 INFO L439 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2019-11-15 23:36:19,712 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2019-11-15 23:36:19,712 INFO L439 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) [2019-11-15 23:36:19,712 INFO L443 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2019-11-15 23:36:19,713 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-15 23:36:19,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,762 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,762 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:36:19 BoogieIcfgContainer [2019-11-15 23:36:19,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:36:19,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:36:19,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:36:19,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:36:19,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:36:10" (3/4) ... [2019-11-15 23:36:19,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:36:19,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-15 23:36:19,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 23:36:19,833 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-15 23:36:19,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-15 23:36:19,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34c3d8a5-6e92-4e95-a626-b32a6fb7dc8e/bin/uautomizer/witness.graphml [2019-11-15 23:36:19,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:36:19,904 INFO L168 Benchmark]: Toolchain (without parser) took 26379.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 952.3 MB in the beginning and 933.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,904 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:36:19,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:36:19,906 INFO L168 Benchmark]: Boogie Preprocessor took 53.11 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,906 INFO L168 Benchmark]: RCFGBuilder took 16222.58 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,907 INFO L168 Benchmark]: TraceAbstraction took 9345.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.4 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,907 INFO L168 Benchmark]: Witness Printer took 122.84 ms. Allocated memory is still 1.1 GB. Free memory was 940.4 MB in the beginning and 933.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:36:19,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.71 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 53.11 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16222.58 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9345.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.4 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * Witness Printer took 122.84 ms. Allocated memory is still 1.1 GB. Free memory was 940.4 MB in the beginning and 933.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2019-11-15 23:36:19,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2019-11-15 23:36:19,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 105]: Loop Invariant [2019-11-15 23:36:19,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:36:19,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 71 SDtfs, 29 SDslu, 26 SDs, 0 SdLazy, 24 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 131 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 1 QuantifiedInterpolants, 3908 SizeOfPredicates, 14 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...