./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 01:08:48,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 01:08:48,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 01:08:48,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 01:08:48,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 01:08:48,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 01:08:48,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 01:08:48,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 01:08:48,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 01:08:48,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 01:08:48,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 01:08:48,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 01:08:48,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 01:08:48,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 01:08:48,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 01:08:48,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 01:08:48,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 01:08:48,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 01:08:48,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 01:08:48,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 01:08:48,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 01:08:48,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 01:08:48,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 01:08:48,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 01:08:48,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 01:08:48,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 01:08:48,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 01:08:48,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 01:08:48,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 01:08:48,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 01:08:48,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 01:08:48,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 01:08:48,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 01:08:48,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 01:08:48,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 01:08:48,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 01:08:48,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 01:08:48,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 01:08:48,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 01:08:48,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 01:08:48,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 01:08:48,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 01:08:48,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 01:08:48,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 01:08:48,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 01:08:48,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 01:08:48,253 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 01:08:48,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 01:08:48,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 01:08:48,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 01:08:48,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 01:08:48,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 01:08:48,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 01:08:48,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 01:08:48,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 01:08:48,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 01:08:48,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 01:08:48,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 01:08:48,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 01:08:48,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 01:08:48,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 01:08:48,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 01:08:48,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 01:08:48,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 01:08:48,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 01:08:48,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 01:08:48,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 01:08:48,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 01:08:48,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 01:08:48,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 01:08:48,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-03 01:08:48,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 01:08:48,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 01:08:48,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 01:08:48,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 01:08:48,665 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 01:08:48,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-03 01:08:48,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043fa18b/d235453ee9794ddbbec52c1047535ee5/FLAG7a62815cb [2020-12-03 01:08:49,300 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 01:08:49,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-03 01:08:49,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043fa18b/d235453ee9794ddbbec52c1047535ee5/FLAG7a62815cb [2020-12-03 01:08:49,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8043fa18b/d235453ee9794ddbbec52c1047535ee5 [2020-12-03 01:08:49,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 01:08:49,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 01:08:49,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:49,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 01:08:49,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 01:08:49,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:49" (1/1) ... [2020-12-03 01:08:49,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b5471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:49, skipping insertion in model container [2020-12-03 01:08:49,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:49" (1/1) ... [2020-12-03 01:08:49,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 01:08:49,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 01:08:50,072 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-03 01:08:50,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:50,099 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 01:08:50,199 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-03 01:08:50,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:50,227 INFO L208 MainTranslator]: Completed translation [2020-12-03 01:08:50,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50 WrapperNode [2020-12-03 01:08:50,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:50,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:50,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 01:08:50,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 01:08:50,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:50,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 01:08:50,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 01:08:50,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 01:08:50,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... [2020-12-03 01:08:50,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 01:08:50,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 01:08:50,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 01:08:50,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 01:08:50,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:08:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 01:08:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 01:08:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 01:08:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-03 01:08:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-03 01:08:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 01:08:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 01:08:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 01:08:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-03 01:08:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 01:08:51,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 01:08:51,007 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-03 01:08:51,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:51 BoogieIcfgContainer [2020-12-03 01:08:51,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 01:08:51,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 01:08:51,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 01:08:51,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 01:08:51,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:08:49" (1/3) ... [2020-12-03 01:08:51,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c46c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:51, skipping insertion in model container [2020-12-03 01:08:51,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:50" (2/3) ... [2020-12-03 01:08:51,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c46c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:51, skipping insertion in model container [2020-12-03 01:08:51,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:51" (3/3) ... [2020-12-03 01:08:51,020 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-03 01:08:51,035 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 01:08:51,040 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 01:08:51,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 01:08:51,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 01:08:51,082 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 01:08:51,082 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 01:08:51,082 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 01:08:51,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 01:08:51,083 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 01:08:51,083 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 01:08:51,083 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 01:08:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-03 01:08:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 01:08:51,105 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:51,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:51,106 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:51,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:51,112 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-12-03 01:08:51,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 01:08:51,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518880475] [2020-12-03 01:08:51,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 01:08:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:51,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518880475] [2020-12-03 01:08:51,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:51,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 01:08:51,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179579927] [2020-12-03 01:08:51,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 01:08:51,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-03 01:08:51,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 01:08:51,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:08:51,415 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-03 01:08:51,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:51,466 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2020-12-03 01:08:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 01:08:51,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-03 01:08:51,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:51,485 INFO L225 Difference]: With dead ends: 119 [2020-12-03 01:08:51,485 INFO L226 Difference]: Without dead ends: 57 [2020-12-03 01:08:51,492 INFO L677 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 [2020-12-03 01:08:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-03 01:08:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-03 01:08:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-03 01:08:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-12-03 01:08:51,548 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-12-03 01:08:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:51,548 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-12-03 01:08:51,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 01:08:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-12-03 01:08:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 01:08:51,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:51,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:51,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 01:08:51,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:51,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:51,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-12-03 01:08:51,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 01:08:51,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466279220] [2020-12-03 01:08:51,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 01:08:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 01:08:51,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 01:08:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 01:08:51,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 01:08:51,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-03 01:08:51,841 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 01:08:51,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 01:08:51,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:08:51 BoogieIcfgContainer [2020-12-03 01:08:51,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 01:08:51,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 01:08:51,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 01:08:51,905 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 01:08:51,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:51" (3/4) ... [2020-12-03 01:08:51,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 01:08:51,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 01:08:51,916 INFO L168 Benchmark]: Toolchain (without parser) took 2285.41 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 32.7 MB in the end (delta: -10.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:51,917 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:51,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.57 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 39.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:51,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.62 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 36.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:51,921 INFO L168 Benchmark]: Boogie Preprocessor took 47.35 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:51,923 INFO L168 Benchmark]: RCFGBuilder took 665.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 29.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:51,924 INFO L168 Benchmark]: TraceAbstraction took 891.70 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 33.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:51,925 INFO L168 Benchmark]: Witness Printer took 7.09 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 32.7 MB in the end (delta: 329.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:51,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.57 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 39.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.62 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 36.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.35 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 665.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 29.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 891.70 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 33.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.09 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 32.7 MB in the end (delta: 329.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 193]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 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=61occurred 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, 0.1s 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, ACCELERATED_INTERPOLATION: 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 0.2.0-7b2dab5 [2020-12-03 01:08:54,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 01:08:54,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 01:08:54,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 01:08:54,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 01:08:54,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 01:08:54,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 01:08:54,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 01:08:54,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 01:08:54,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 01:08:54,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 01:08:54,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 01:08:54,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 01:08:54,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 01:08:54,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 01:08:54,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 01:08:54,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 01:08:54,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 01:08:54,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 01:08:54,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 01:08:54,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 01:08:54,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 01:08:54,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 01:08:54,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 01:08:54,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 01:08:54,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 01:08:54,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 01:08:54,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 01:08:54,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 01:08:54,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 01:08:54,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 01:08:54,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 01:08:54,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 01:08:54,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 01:08:54,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 01:08:54,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 01:08:54,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 01:08:54,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 01:08:54,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 01:08:54,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 01:08:54,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 01:08:54,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 01:08:54,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 01:08:54,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 01:08:54,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 01:08:54,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 01:08:54,646 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 01:08:54,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 01:08:54,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 01:08:54,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 01:08:54,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 01:08:54,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 01:08:54,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 01:08:54,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 01:08:54,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 01:08:54,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 01:08:54,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 01:08:54,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 01:08:54,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 01:08:54,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 01:08:54,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 01:08:54,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 01:08:54,651 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 01:08:54,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 01:08:54,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 01:08:54,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 01:08:54,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 01:08:54,652 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-03 01:08:55,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 01:08:55,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 01:08:55,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 01:08:55,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 01:08:55,173 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 01:08:55,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-03 01:08:55,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5573a032/a7674d206d1740a190b7ed0555e5ffdb/FLAGd06a44d6f [2020-12-03 01:08:56,029 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 01:08:56,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-03 01:08:56,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5573a032/a7674d206d1740a190b7ed0555e5ffdb/FLAGd06a44d6f [2020-12-03 01:08:56,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5573a032/a7674d206d1740a190b7ed0555e5ffdb [2020-12-03 01:08:56,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 01:08:56,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 01:08:56,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:56,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 01:08:56,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 01:08:56,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223a2ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56, skipping insertion in model container [2020-12-03 01:08:56,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 01:08:56,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 01:08:56,644 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-03 01:08:56,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:56,661 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 01:08:56,716 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-03 01:08:56,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:56,741 INFO L208 MainTranslator]: Completed translation [2020-12-03 01:08:56,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56 WrapperNode [2020-12-03 01:08:56,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:56,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:56,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 01:08:56,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 01:08:56,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:56,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 01:08:56,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 01:08:56,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 01:08:56,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... [2020-12-03 01:08:56,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 01:08:56,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 01:08:56,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 01:08:56,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 01:08:56,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:08:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-03 01:08:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-03 01:08:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 01:08:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 01:08:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-03 01:08:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 01:08:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 01:08:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 01:08:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 01:08:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 01:09:02,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 01:09:02,709 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-03 01:09:02,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:02 BoogieIcfgContainer [2020-12-03 01:09:02,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 01:09:02,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 01:09:02,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 01:09:02,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 01:09:02,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:08:56" (1/3) ... [2020-12-03 01:09:02,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fca744f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:09:02, skipping insertion in model container [2020-12-03 01:09:02,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:56" (2/3) ... [2020-12-03 01:09:02,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fca744f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:09:02, skipping insertion in model container [2020-12-03 01:09:02,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:02" (3/3) ... [2020-12-03 01:09:02,725 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-03 01:09:02,741 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 01:09:02,746 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 01:09:02,759 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 01:09:02,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 01:09:02,800 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 01:09:02,800 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 01:09:02,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 01:09:02,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 01:09:02,801 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 01:09:02,801 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 01:09:02,801 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 01:09:02,822 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-03 01:09:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 01:09:02,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:09:02,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:09:02,847 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:09:02,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:09:02,853 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-12-03 01:09:02,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:09:02,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579737244] [2020-12-03 01:09:02,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:09:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:09:04,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 01:09:04,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:09:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:09:04,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:09:04,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579737244] [2020-12-03 01:09:04,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:09:04,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 01:09:04,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424215675] [2020-12-03 01:09:04,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 01:09:04,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:09:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 01:09:04,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:09:04,220 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-03 01:09:04,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:09:04,245 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2020-12-03 01:09:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 01:09:04,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-03 01:09:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:09:04,256 INFO L225 Difference]: With dead ends: 119 [2020-12-03 01:09:04,257 INFO L226 Difference]: Without dead ends: 57 [2020-12-03 01:09:04,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:09:04,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-03 01:09:04,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-03 01:09:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-03 01:09:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-12-03 01:09:04,301 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-12-03 01:09:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:09:04,301 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-12-03 01:09:04,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 01:09:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-12-03 01:09:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 01:09:04,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:09:04,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:09:04,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 01:09:04,517 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:09:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:09:04,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-12-03 01:09:04,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:09:04,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842933634] [2020-12-03 01:09:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:09:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:09:05,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-03 01:09:05,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:09:06,018 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 01:09:06,145 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-03 01:09:06,202 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-03 01:09:06,205 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 01:09:06,235 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-03 01:09:06,267 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-03 01:09:06,269 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 01:09:06,601 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-03 01:09:06,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:06,611 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-03 01:09:06,611 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:73 [2020-12-03 01:09:06,941 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-03 01:09:07,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:07,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-03 01:09:07,248 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:07,248 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-03 01:09:07,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:07,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 01:09:07,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:09:07,273 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_1], 2=[v_arrayElimCell_2]} [2020-12-03 01:09:07,653 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:07,653 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-03 01:09:07,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:07,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 01:09:07,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:09:07,682 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_3], 2=[v_arrayElimCell_4]} [2020-12-03 01:09:07,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:07,917 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:08,056 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:08,057 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2020-12-03 01:09:08,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:08,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 01:09:08,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:09:08,086 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_5], 2=[v_arrayElimCell_6]} [2020-12-03 01:09:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:09:08,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:09:08,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842933634] [2020-12-03 01:09:08,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:09:08,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-03 01:09:08,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255971393] [2020-12-03 01:09:08,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-03 01:09:08,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:09:08,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-03 01:09:08,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=28, Unknown=3, NotChecked=0, Total=42 [2020-12-03 01:09:08,441 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand 7 states. [2020-12-03 01:09:08,764 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-03 01:09:09,402 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-12-03 01:09:09,919 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-03 01:09:10,467 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-03 01:09:15,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:09:15,648 INFO L93 Difference]: Finished difference Result 118 states and 167 transitions. [2020-12-03 01:09:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 01:09:15,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-03 01:09:15,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:09:15,676 INFO L225 Difference]: With dead ends: 118 [2020-12-03 01:09:15,676 INFO L226 Difference]: Without dead ends: 73 [2020-12-03 01:09:15,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=33, Invalid=67, Unknown=10, NotChecked=0, Total=110 [2020-12-03 01:09:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-03 01:09:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2020-12-03 01:09:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-03 01:09:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-03 01:09:15,689 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2020-12-03 01:09:15,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:09:15,690 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-03 01:09:15,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-03 01:09:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-03 01:09:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 01:09:15,691 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:09:15,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:09:15,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 01:09:15,906 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:09:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:09:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2020-12-03 01:09:15,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:09:15,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13853869] [2020-12-03 01:09:15,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:09:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:09:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 01:09:16,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:09:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:09:16,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:09:16,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13853869] [2020-12-03 01:09:16,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:09:16,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 01:09:16,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166972110] [2020-12-03 01:09:16,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 01:09:16,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:09:16,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 01:09:16,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 01:09:16,379 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 6 states. [2020-12-03 01:09:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:09:19,284 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2020-12-03 01:09:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-03 01:09:19,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-03 01:09:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:09:19,286 INFO L225 Difference]: With dead ends: 76 [2020-12-03 01:09:19,287 INFO L226 Difference]: Without dead ends: 73 [2020-12-03 01:09:19,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-03 01:09:19,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-03 01:09:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2020-12-03 01:09:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-03 01:09:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-03 01:09:19,299 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2020-12-03 01:09:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:09:19,299 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-03 01:09:19,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 01:09:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-03 01:09:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-03 01:09:19,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:09:19,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:09:19,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 01:09:19,515 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:09:19,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:09:19,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2020-12-03 01:09:19,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:09:19,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746684392] [2020-12-03 01:09:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-03 01:09:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:09:19,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-03 01:09:19,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:09:19,851 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-03 01:09:19,875 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 01:09:19,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:19,894 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 01:09:19,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:09:19,972 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-03 01:09:19,973 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-03 01:09:20,464 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-03 01:09:20,754 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-03 01:09:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:09:20,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:09:20,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746684392] [2020-12-03 01:09:20,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:09:20,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-03 01:09:20,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036635789] [2020-12-03 01:09:20,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 01:09:20,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:09:20,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 01:09:20,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-03 01:09:20,926 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 8 states. [2020-12-03 01:09:21,599 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-03 01:09:21,824 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-03 01:09:21,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:09:21,902 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2020-12-03 01:09:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 01:09:21,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-12-03 01:09:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:09:21,904 INFO L225 Difference]: With dead ends: 64 [2020-12-03 01:09:21,904 INFO L226 Difference]: Without dead ends: 20 [2020-12-03 01:09:21,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-03 01:09:21,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-03 01:09:21,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-03 01:09:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-03 01:09:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-12-03 01:09:21,921 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2020-12-03 01:09:21,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:09:21,921 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-12-03 01:09:21,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 01:09:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-12-03 01:09:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-03 01:09:21,922 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:09:21,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:09:22,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 01:09:22,126 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:09:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:09:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2020-12-03 01:09:22,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:09:22,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729111177] [2020-12-03 01:09:22,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-03 01:09:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:09:22,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-03 01:09:22,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:09:22,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:09:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:09:23,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:09:23,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729111177] [2020-12-03 01:09:23,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:09:23,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-03 01:09:23,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081316278] [2020-12-03 01:09:23,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-03 01:09:23,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:09:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-03 01:09:23,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-03 01:09:23,239 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 10 states. [2020-12-03 01:09:23,917 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-03 01:09:24,100 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-03 01:09:24,270 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-03 01:09:24,453 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-03 01:09:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:09:24,474 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-12-03 01:09:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-03 01:09:24,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-12-03 01:09:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:09:24,475 INFO L225 Difference]: With dead ends: 20 [2020-12-03 01:09:24,475 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 01:09:24,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-03 01:09:24,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 01:09:24,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 01:09:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 01:09:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 01:09:24,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-03 01:09:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:09:24,477 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 01:09:24,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-03 01:09:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 01:09:24,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 01:09:24,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-03 01:09:24,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 01:09:24,984 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-03 01:09:25,286 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-03 01:09:25,544 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-03 01:09:25,890 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-03 01:09:25,913 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2020-12-03 01:09:25,914 INFO L258 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2020-12-03 01:09:25,914 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-12-03 01:09:25,914 INFO L258 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:09:25,914 INFO L262 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-12-03 01:09:25,914 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 01:09:25,914 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L258 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2020-12-03 01:09:25,915 INFO L262 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L187-2(lines 187 196) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2020-12-03 01:09:25,916 INFO L258 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2020-12-03 01:09:25,916 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L258 CegarLoopResult]: At program point L174(lines 165 175) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) ULTIMATE.start___signbit_double_~msw~0))) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:09:25,917 INFO L258 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L192-2(lines 192 195) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2020-12-03 01:09:25,917 INFO L258 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2020-12-03 01:09:25,917 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L262 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L262 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:09:25,918 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-12-03 01:09:25,918 INFO L258 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:09:25,918 INFO L258 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-12-03 01:09:25,919 INFO L265 CegarLoopResult]: At program point L198(lines 177 199) the Hoare annotation is: true [2020-12-03 01:09:25,919 INFO L262 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2020-12-03 01:09:25,920 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-03 01:09:25,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:25,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:25,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:25,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:09:25 BoogieIcfgContainer [2020-12-03 01:09:25,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 01:09:25,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 01:09:25,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 01:09:25,966 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 01:09:25,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:02" (3/4) ... [2020-12-03 01:09:25,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 01:09:25,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-03 01:09:25,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-03 01:09:25,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:09:25,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:09:26,065 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 01:09:26,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 01:09:26,069 INFO L168 Benchmark]: Toolchain (without parser) took 29735.05 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 27.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,071 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:09:26,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.14 ms. Allocated memory is still 46.1 MB. Free memory was 23.8 MB in the beginning and 20.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.8 MB in the beginning and 40.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,077 INFO L168 Benchmark]: Boogie Preprocessor took 53.83 ms. Allocated memory is still 56.6 MB. Free memory was 40.1 MB in the beginning and 37.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,078 INFO L168 Benchmark]: RCFGBuilder took 5829.40 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 32.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,079 INFO L168 Benchmark]: TraceAbstraction took 23251.15 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 30.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,080 INFO L168 Benchmark]: Witness Printer took 101.53 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:09:26,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.14 ms. Allocated memory is still 46.1 MB. Free memory was 23.8 MB in the beginning and 20.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.8 MB in the beginning and 40.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.83 ms. Allocated memory is still 56.6 MB. Free memory was 40.1 MB in the beginning and 37.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5829.40 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 32.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23251.15 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 30.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 101.53 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant [2020-12-03 01:09:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: (((((((\result == ~Pluszero~LONGDOUBLE() && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2020-12-03 01:09:26,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((\result == ~Pluszero~LONGDOUBLE() && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 165]: Loop Invariant [2020-12-03 01:09:26,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-03 01:09:26,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-03 01:09:26,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-03 01:09:26,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((((((((\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && v_skolemized_q#valueAsBitvector_12[63:32] == msw) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 458 SDslu, 312 SDs, 0 SdLazy, 169 SolverSat, 25 SolverUnsat, 56 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 192 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1289 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 15 QuantifiedInterpolants, 12093 SizeOfPredicates, 36 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...