./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 18318d2897bde0142dc4632253da5d46def4ecbb ................................................................................................................................................................................................................................................................................................. 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_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 18318d2897bde0142dc4632253da5d46def4ecbb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:08:28,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:08:28,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:08:28,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:08:28,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:08:28,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:08:28,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:08:28,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:08:28,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:08:28,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:08:28,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:08:28,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:08:28,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:08:28,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:08:28,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:08:28,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:08:28,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:08:28,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:08:28,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:08:28,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:08:28,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:08:28,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:08:28,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:08:28,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:08:28,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:08:28,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:08:28,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:08:28,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:08:28,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:08:28,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:08:28,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:08:28,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:08:28,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:08:28,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:08:28,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:08:28,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:08:28,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:08:28,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:08:28,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:08:28,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:08:28,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:08:28,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:08:28,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:08:28,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:08:28,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:08:28,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:08:28,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:08:28,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:08:28,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:08:28,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:08:28,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:08:28,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:08:28,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:08:28,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:08:28,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:08:28,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:08:28,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:08:28,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:08:28,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:08:28,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:08:28,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:08:28,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:08:28,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:08:28,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:08:28,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:08:28,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:08:28,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:08:28,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:08:28,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:08:28,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:08:28,217 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_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-15 22:08:28,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:08:28,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:08:28,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:08:28,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:08:28,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:08:28,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-15 22:08:28,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/9c5aed403/4d34dc76392f45418e7a54ef1b4c9cb5/FLAG60b10d38a [2019-11-15 22:08:28,738 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:08:28,739 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-15 22:08:28,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/9c5aed403/4d34dc76392f45418e7a54ef1b4c9cb5/FLAG60b10d38a [2019-11-15 22:08:28,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/9c5aed403/4d34dc76392f45418e7a54ef1b4c9cb5 [2019-11-15 22:08:28,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:08:28,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:08:28,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:28,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:08:28,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:08:28,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:28" (1/1) ... [2019-11-15 22:08:28,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42db30af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:28, skipping insertion in model container [2019-11-15 22:08:28,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:28" (1/1) ... [2019-11-15 22:08:28,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:08:28,810 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:08:29,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:29,116 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:08:29,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:29,169 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:08:29,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29 WrapperNode [2019-11-15 22:08:29,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:29,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:29,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:08:29,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:08:29,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:29,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:08:29,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:08:29,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:08:29,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... [2019-11-15 22:08:29,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:08:29,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:08:29,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:08:29,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:08:29,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 22:08:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:08:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-15 22:08:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:08:29,747 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:08:29,747 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 22:08:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:29 BoogieIcfgContainer [2019-11-15 22:08:29,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:08:29,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:08:29,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:08:29,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:08:29,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:08:28" (1/3) ... [2019-11-15 22:08:29,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9bb2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:08:29, skipping insertion in model container [2019-11-15 22:08:29,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:29" (2/3) ... [2019-11-15 22:08:29,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9bb2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:08:29, skipping insertion in model container [2019-11-15 22:08:29,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:29" (3/3) ... [2019-11-15 22:08:29,754 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-15 22:08:29,760 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:08:29,766 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:08:29,776 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:08:29,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:08:29,797 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:08:29,797 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:08:29,798 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:08:29,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:08:29,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:08:29,798 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:08:29,798 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:08:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-15 22:08:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:08:29,815 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:29,815 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:29,817 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:29,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:29,822 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-15 22:08:29,829 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:29,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481125558] [2019-11-15 22:08:29,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:29,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:29,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:29,927 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 22:08:29,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481125558] [2019-11-15 22:08:29,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:29,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:08:29,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685854577] [2019-11-15 22:08:29,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:08:29,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:08:29,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:08:29,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:08:29,945 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-15 22:08:29,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:29,961 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-15 22:08:29,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:08:29,963 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 22:08:29,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:29,970 INFO L225 Difference]: With dead ends: 93 [2019-11-15 22:08:29,970 INFO L226 Difference]: Without dead ends: 44 [2019-11-15 22:08:29,973 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 22:08:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-15 22:08:29,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-15 22:08:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-15 22:08:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-15 22:08:30,003 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-15 22:08:30,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:30,003 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-15 22:08:30,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:08:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-15 22:08:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:08:30,004 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:30,004 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:30,005 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:30,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-15 22:08:30,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:08:30,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467173974] [2019-11-15 22:08:30,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:30,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:08:30,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:08:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:08:30,130 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:08:30,130 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:08:30,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:08:30 BoogieIcfgContainer [2019-11-15 22:08:30,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:08:30,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:08:30,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:08:30,161 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:08:30,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:29" (3/4) ... [2019-11-15 22:08:30,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:08:30,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:08:30,166 INFO L168 Benchmark]: Toolchain (without parser) took 1398.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:30,167 INFO L168 Benchmark]: CDTParser took 0.22 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 22:08:30,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:30,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.64 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 22:08:30,168 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 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 22:08:30,169 INFO L168 Benchmark]: RCFGBuilder took 499.23 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:30,170 INFO L168 Benchmark]: TraceAbstraction took 411.22 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:30,170 INFO L168 Benchmark]: Witness Printer took 4.14 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 22:08:30,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 401.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.64 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. * Boogie Preprocessor took 31.71 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 499.23 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 411.22 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 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: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={1:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={1:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65 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=48occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 22:08:32,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:08:32,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:08:32,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:08:32,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:08:32,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:08:32,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:08:32,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:08:32,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:08:32,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:08:32,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:08:32,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:08:32,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:08:32,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:08:32,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:08:32,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:08:32,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:08:32,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:08:32,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:08:32,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:08:32,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:08:32,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:08:32,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:08:32,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:08:32,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:08:32,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:08:32,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:08:32,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:08:32,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:08:32,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:08:32,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:08:32,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:08:32,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:08:32,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:08:32,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:08:32,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:08:32,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:08:32,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:08:32,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:08:32,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:08:32,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:08:32,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:08:32,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:08:32,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:08:32,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:08:32,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:08:32,324 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:08:32,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:08:32,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:08:32,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:08:32,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:08:32,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:08:32,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:08:32,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:08:32,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:08:32,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:08:32,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:08:32,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:08:32,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:08:32,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:08:32,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:08:32,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:08:32,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:08:32,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:08:32,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:08:32,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:08:32,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:08:32,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:08:32,330 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:08:32,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:08:32,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:08:32,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:08:32,330 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_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-15 22:08:32,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:08:32,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:08:32,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:08:32,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:08:32,377 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:08:32,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-15 22:08:32,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/466e0d321/0fdfd66512e840efb66789ebf2079988/FLAG349444597 [2019-11-15 22:08:32,840 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:08:32,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-15 22:08:32,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/466e0d321/0fdfd66512e840efb66789ebf2079988/FLAG349444597 [2019-11-15 22:08:32,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/data/466e0d321/0fdfd66512e840efb66789ebf2079988 [2019-11-15 22:08:32,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:08:32,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:08:32,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:32,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:08:32,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:08:32,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:32" (1/1) ... [2019-11-15 22:08:32,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6139cb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:32, skipping insertion in model container [2019-11-15 22:08:32,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:08:32" (1/1) ... [2019-11-15 22:08:32,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:08:32,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:08:33,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:33,158 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:08:33,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:08:33,310 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:08:33,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33 WrapperNode [2019-11-15 22:08:33,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:08:33,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:33,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:08:33,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:08:33,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:08:33,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:08:33,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:08:33,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:08:33,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... [2019-11-15 22:08:33,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:08:33,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:08:33,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:08:33,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:08:33,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 22:08:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-15 22:08:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:08:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 22:08:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:08:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:08:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:08:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 22:08:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:08:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:08:34,787 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:08:34,788 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 22:08:34,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:34 BoogieIcfgContainer [2019-11-15 22:08:34,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:08:34,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:08:34,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:08:34,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:08:34,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:08:32" (1/3) ... [2019-11-15 22:08:34,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:08:34, skipping insertion in model container [2019-11-15 22:08:34,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:08:33" (2/3) ... [2019-11-15 22:08:34,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:08:34, skipping insertion in model container [2019-11-15 22:08:34,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:34" (3/3) ... [2019-11-15 22:08:34,799 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-15 22:08:34,808 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:08:34,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:08:34,826 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:08:34,855 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:08:34,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:08:34,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:08:34,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:08:34,856 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:08:34,856 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:08:34,856 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:08:34,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:08:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-15 22:08:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:08:34,886 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:34,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:34,889 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-15 22:08:34,904 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:08:34,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852354092] [2019-11-15 22:08:34,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 22:08:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:35,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 22:08:35,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:08:35,223 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 22:08:35,224 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:08:35,227 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 22:08:35,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852354092] [2019-11-15 22:08:35,229 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:35,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 22:08:35,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517131165] [2019-11-15 22:08:35,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:08:35,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:08:35,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:08:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:08:35,243 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-15 22:08:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:35,264 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-15 22:08:35,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:08:35,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 22:08:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:35,276 INFO L225 Difference]: With dead ends: 93 [2019-11-15 22:08:35,276 INFO L226 Difference]: Without dead ends: 44 [2019-11-15 22:08:35,279 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 22:08:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-15 22:08:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-15 22:08:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-15 22:08:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-15 22:08:35,314 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-15 22:08:35,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:35,314 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-15 22:08:35,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:08:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-15 22:08:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:08:35,316 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:35,316 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:35,529 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 22:08:35,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:35,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-15 22:08:35,530 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:08:35,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859166509] [2019-11-15 22:08:35,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 22:08:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:35,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-15 22:08:35,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:08:35,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:08:42,062 WARN L191 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-11-15 22:08:42,071 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 22:08:42,072 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:08:42,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 22:08:42,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 22:08:42,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 22:08:42,576 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 22:08:42,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859166509] [2019-11-15 22:08:42,577 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:42,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-15 22:08:42,578 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945418448] [2019-11-15 22:08:42,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:08:42,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:08:42,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:08:42,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:08:42,580 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-11-15 22:08:42,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:42,871 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-11-15 22:08:42,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:08:42,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-11-15 22:08:42,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:42,873 INFO L225 Difference]: With dead ends: 53 [2019-11-15 22:08:42,873 INFO L226 Difference]: Without dead ends: 19 [2019-11-15 22:08:42,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:08:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-15 22:08:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-15 22:08:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-15 22:08:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-15 22:08:42,878 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-11-15 22:08:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:42,879 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-15 22:08:42,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:08:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-15 22:08:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:08:42,880 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:42,880 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:43,080 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 22:08:43,089 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-11-15 22:08:43,089 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:08:43,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918180408] [2019-11-15 22:08:43,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/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 22:08:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:43,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:08:43,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:08:43,203 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 22:08:43,203 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:08:43,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:08:43,280 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 22:08:43,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918180408] [2019-11-15 22:08:43,281 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:43,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-15 22:08:43,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741341833] [2019-11-15 22:08:43,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:08:43,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:08:43,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:08:43,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:08:43,282 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-11-15 22:08:43,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:43,369 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-15 22:08:43,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:08:43,373 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-15 22:08:43,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:43,374 INFO L225 Difference]: With dead ends: 22 [2019-11-15 22:08:43,374 INFO L226 Difference]: Without dead ends: 19 [2019-11-15 22:08:43,374 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:08:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-15 22:08:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-15 22:08:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-15 22:08:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-15 22:08:43,378 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-11-15 22:08:43,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:43,378 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-15 22:08:43,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:08:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-15 22:08:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 22:08:43,379 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:43,379 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:43,580 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 22:08:43,580 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:43,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:43,581 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-11-15 22:08:43,581 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:08:43,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109916339] [2019-11-15 22:08:43,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-15 22:08:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:43,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 22:08:43,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:08:43,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:08:43,759 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 22:08:43,760 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:08:43,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:08:43,968 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 22:08:43,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109916339] [2019-11-15 22:08:43,969 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:43,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-15 22:08:43,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680595518] [2019-11-15 22:08:43,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 22:08:43,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:08:43,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 22:08:43,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:08:43,971 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-11-15 22:08:44,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:44,192 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-15 22:08:44,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:08:44,193 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-11-15 22:08:44,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:44,193 INFO L225 Difference]: With dead ends: 19 [2019-11-15 22:08:44,193 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:08:44,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-15 22:08:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:08:44,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:08:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:08:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:08:44,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-15 22:08:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:44,195 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:08:44,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 22:08:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:08:44,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:08:44,395 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 22:08:44,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:08:44,627 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,627 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-11-15 22:08:44,627 INFO L439 ceAbstractionStarter]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-15 22:08:44,627 INFO L443 ceAbstractionStarter]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L439 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L443 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,628 INFO L439 ceAbstractionStarter]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L439 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L439 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-11-15 22:08:44,629 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-11-15 22:08:44,629 INFO L439 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:08:44,630 INFO L443 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-11-15 22:08:44,631 INFO L439 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-11-15 22:08:44,631 INFO L443 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,631 INFO L446 ceAbstractionStarter]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-11-15 22:08:44,631 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-11-15 22:08:44,631 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-15 22:08:44,632 INFO L439 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-11-15 22:08:44,632 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:08:44,632 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-11-15 22:08:44,632 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-11-15 22:08:44,632 INFO L443 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,633 INFO L443 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-11-15 22:08:44,633 INFO L439 ceAbstractionStarter]: At program point L116(lines 107 117) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-15 22:08:44,633 INFO L443 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-11-15 22:08:44,633 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-15 22:08:44,633 INFO L439 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-11-15 22:08:44,634 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-11-15 22:08:44,634 INFO L443 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-11-15 22:08:44,634 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-11-15 22:08:44,634 INFO L443 ceAbstractionStarter]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-11-15 22:08:44,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:08:44 BoogieIcfgContainer [2019-11-15 22:08:44,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:08:44,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:08:44,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:08:44,662 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:08:44,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:08:34" (3/4) ... [2019-11-15 22:08:44,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:08:44,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 22:08:44,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 22:08:44,715 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f0c8eac-e0f5-407e-af18-e8dd1216eca9/bin/uautomizer/witness.graphml [2019-11-15 22:08:44,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:08:44,717 INFO L168 Benchmark]: Toolchain (without parser) took 11855.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.3 MB in the beginning and 860.8 MB in the end (delta: 87.5 MB). Peak memory consumption was 217.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:44,717 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:08:44,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:44,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.80 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 22:08:44,719 INFO L168 Benchmark]: Boogie Preprocessor took 78.40 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:44,719 INFO L168 Benchmark]: RCFGBuilder took 1325.60 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:44,720 INFO L168 Benchmark]: TraceAbstraction took 9870.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.8 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:44,720 INFO L168 Benchmark]: Witness Printer took 54.32 ms. Allocated memory is still 1.2 GB. Free memory is still 860.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:08:44,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 448.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.80 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. * Boogie Preprocessor took 78.40 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1325.60 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9870.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.8 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. * Witness Printer took 54.32 ms. Allocated memory is still 1.2 GB. Free memory is still 860.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2019-11-15 22:08:44,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 17]: Loop Invariant [2019-11-15 22:08:44,736 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 107]: Loop Invariant [2019-11-15 22:08:44,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-15 22:08:44,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 99 SDtfs, 162 SDslu, 103 SDs, 0 SdLazy, 69 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 173 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...