./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_1072c.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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:41:33,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:41:33,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:41:33,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:41:33,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:41:33,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:41:33,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:41:33,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:41:33,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:41:33,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:41:33,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:41:33,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:41:33,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:41:33,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:41:33,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:41:33,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:41:33,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:41:33,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:41:33,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:41:33,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:41:33,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:41:33,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:41:33,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:41:33,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:41:33,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:41:33,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:41:33,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:41:33,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:41:33,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:41:33,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:41:33,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:41:33,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:41:33,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:41:33,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:41:33,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:41:33,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:41:33,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:41:33,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:41:33,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:41:33,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:41:33,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:41:33,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 23:41:33,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:41:33,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:41:33,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:41:33,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:41:33,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:41:33,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:41:33,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:41:33,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:41:33,236 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:41:33,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:41:33,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:41:33,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:41:33,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:41:33,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:41:33,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:41:33,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:41:33,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:41:33,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 23:41:33,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 23:41:33,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:41:33,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:41:33,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:41:33,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:41:33,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-12-15 23:41:33,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:41:33,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:41:33,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:41:33,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:41:33,429 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:41:33,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-12-15 23:41:33,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d742e786f/9870bfbd783346dbb65cd98100461693/FLAGafb9e2e58 [2021-12-15 23:41:33,853 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:41:33,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-12-15 23:41:33,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d742e786f/9870bfbd783346dbb65cd98100461693/FLAGafb9e2e58 [2021-12-15 23:41:33,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d742e786f/9870bfbd783346dbb65cd98100461693 [2021-12-15 23:41:33,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:41:33,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:41:33,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:41:33,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:41:33,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:41:33,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:41:33" (1/1) ... [2021-12-15 23:41:33,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f833d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:33, skipping insertion in model container [2021-12-15 23:41:33,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:41:33" (1/1) ... [2021-12-15 23:41:33,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:41:33,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:41:34,025 WARN L230 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_1072c.c[2112,2125] [2021-12-15 23:41:34,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:41:34,034 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:41:34,049 WARN L230 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_1072c.c[2112,2125] [2021-12-15 23:41:34,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:41:34,058 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:41:34,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34 WrapperNode [2021-12-15 23:41:34,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:41:34,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:41:34,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:41:34,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:41:34,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,096 INFO L137 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-12-15 23:41:34,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:41:34,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:41:34,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:41:34,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:41:34,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:41:34,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:41:34,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:41:34,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:41:34,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (1/1) ... [2021-12-15 23:41:34,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:41:34,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:41:34,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 23:41:34,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 23:41:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:41:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:41:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 23:41:34,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 23:41:34,227 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:41:34,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:41:34,378 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:41:34,382 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:41:34,382 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-15 23:41:34,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:34 BoogieIcfgContainer [2021-12-15 23:41:34,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:41:34,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:41:34,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:41:34,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:41:34,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:41:33" (1/3) ... [2021-12-15 23:41:34,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41daa5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:41:34, skipping insertion in model container [2021-12-15 23:41:34,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:34" (2/3) ... [2021-12-15 23:41:34,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41daa5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:41:34, skipping insertion in model container [2021-12-15 23:41:34,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:34" (3/3) ... [2021-12-15 23:41:34,393 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-12-15 23:41:34,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:41:34,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:41:34,424 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:41:34,429 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:41:34,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:41:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 23:41:34,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:34,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:34,454 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:34,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2021-12-15 23:41:34,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:41:34,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622619878] [2021-12-15 23:41:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:34,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:41:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:34,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 23:41:34,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622619878] [2021-12-15 23:41:34,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622619878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:34,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:34,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:41:34,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100882155] [2021-12-15 23:41:34,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:34,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:41:34,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 23:41:34,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:41:34,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:41:34,653 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:34,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:34,668 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2021-12-15 23:41:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:41:34,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-15 23:41:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:34,675 INFO L225 Difference]: With dead ends: 54 [2021-12-15 23:41:34,675 INFO L226 Difference]: Without dead ends: 25 [2021-12-15 23:41:34,677 INFO L932 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 [2021-12-15 23:41:34,680 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:34,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:41:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-12-15 23:41:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-15 23:41:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-12-15 23:41:34,706 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2021-12-15 23:41:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:34,706 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-15 23:41:34,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-12-15 23:41:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 23:41:34,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:34,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:34,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 23:41:34,709 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:34,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2021-12-15 23:41:34,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:41:34,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138356318] [2021-12-15 23:41:34,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:34,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:41:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:41:34,777 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 23:41:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:41:34,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 23:41:34,825 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 23:41:34,826 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:41:34,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 23:41:34,829 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 23:41:34,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:41:34,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:41:34 BoogieIcfgContainer [2021-12-15 23:41:34,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:41:34,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:41:34,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:41:34,857 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:41:34,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:34" (3/4) ... [2021-12-15 23:41:34,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 23:41:34,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:41:34,860 INFO L158 Benchmark]: Toolchain (without parser) took 991.85ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 75.8MB in the beginning and 101.4MB in the end (delta: -25.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-15 23:41:34,861 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:41:34,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 78.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 23:41:34,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.51ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:41:34,866 INFO L158 Benchmark]: Boogie Preprocessor took 32.61ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:41:34,866 INFO L158 Benchmark]: RCFGBuilder took 252.56ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 62.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 23:41:34,866 INFO L158 Benchmark]: TraceAbstraction took 470.79ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 62.4MB in the beginning and 101.4MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:41:34,866 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:41:34,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 78.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.51ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.61ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.56ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 62.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 470.79ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 62.4MB in the beginning and 101.4MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L83] double x = -0.0; [L84] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967296, x=4294967296] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967298, res == -0.0 && __signbit_double(res) == 1=0, x=4294967296] [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() VAL [res=4294967298, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=28occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-12-15 23:41:34,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1072c.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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:41:36,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:41:36,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:41:36,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:41:36,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:41:36,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:41:36,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:41:36,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:41:36,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:41:36,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:41:36,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:41:36,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:41:36,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:41:36,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:41:36,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:41:36,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:41:36,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:41:36,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:41:36,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:41:36,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:41:36,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:41:36,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:41:36,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:41:36,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:41:36,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:41:36,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:41:36,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:41:36,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:41:36,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:41:36,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:41:36,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:41:36,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:41:36,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:41:36,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:41:36,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:41:36,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:41:36,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:41:36,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:41:36,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:41:36,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:41:36,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:41:36,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 23:41:36,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:41:36,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:41:36,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:41:36,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:41:36,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:41:36,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:41:36,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:41:36,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:41:36,659 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:41:36,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:41:36,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:41:36,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:41:36,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:41:36,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:41:36,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:41:36,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:41:36,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:41:36,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:41:36,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:41:36,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:41:36,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:41:36,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:41:36,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:41:36,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:41:36,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 23:41:36,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-12-15 23:41:36,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:41:36,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:41:36,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:41:36,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:41:36,920 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:41:36,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-12-15 23:41:36,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d97796d8/bf7b6fb347e646c68f8d7cf81ae29038/FLAGf2212ddde [2021-12-15 23:41:37,350 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:41:37,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-12-15 23:41:37,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d97796d8/bf7b6fb347e646c68f8d7cf81ae29038/FLAGf2212ddde [2021-12-15 23:41:37,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d97796d8/bf7b6fb347e646c68f8d7cf81ae29038 [2021-12-15 23:41:37,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:41:37,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:41:37,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:41:37,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:41:37,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:41:37,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193d54b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37, skipping insertion in model container [2021-12-15 23:41:37,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:41:37,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:41:37,544 WARN L230 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_1072c.c[2112,2125] [2021-12-15 23:41:37,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:41:37,559 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:41:37,613 WARN L230 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_1072c.c[2112,2125] [2021-12-15 23:41:37,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:41:37,626 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:41:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37 WrapperNode [2021-12-15 23:41:37,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:41:37,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:41:37,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:41:37,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:41:37,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,670 INFO L137 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-12-15 23:41:37,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:41:37,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:41:37,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:41:37,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:41:37,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:41:37,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:41:37,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:41:37,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:41:37,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (1/1) ... [2021-12-15 23:41:37,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:41:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:41:37,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 23:41:37,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 23:41:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:41:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:41:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 23:41:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 23:41:37,831 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:41:37,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:41:38,065 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:41:38,069 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:41:38,069 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-15 23:41:38,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:38 BoogieIcfgContainer [2021-12-15 23:41:38,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:41:38,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:41:38,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:41:38,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:41:38,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:41:37" (1/3) ... [2021-12-15 23:41:38,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c62663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:41:38, skipping insertion in model container [2021-12-15 23:41:38,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:41:37" (2/3) ... [2021-12-15 23:41:38,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c62663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:41:38, skipping insertion in model container [2021-12-15 23:41:38,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:38" (3/3) ... [2021-12-15 23:41:38,077 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-12-15 23:41:38,081 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:41:38,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:41:38,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:41:38,123 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:41:38,123 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:41:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 23:41:38,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:38,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:38,136 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:38,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2021-12-15 23:41:38,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:41:38,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174130985] [2021-12-15 23:41:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:38,148 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:41:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:41:38,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:41:38,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 23:41:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:38,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-15 23:41:38,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:41:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:38,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:41:38,253 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:41:38,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174130985] [2021-12-15 23:41:38,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174130985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:38,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:38,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:41:38,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288492521] [2021-12-15 23:41:38,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:38,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:41:38,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:41:38,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:41:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:41:38,276 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:38,286 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2021-12-15 23:41:38,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:41:38,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-15 23:41:38,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:38,293 INFO L225 Difference]: With dead ends: 54 [2021-12-15 23:41:38,293 INFO L226 Difference]: Without dead ends: 25 [2021-12-15 23:41:38,295 INFO L932 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 [2021-12-15 23:41:38,297 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:38,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:41:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-12-15 23:41:38,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-15 23:41:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-12-15 23:41:38,318 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2021-12-15 23:41:38,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:38,318 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-15 23:41:38,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-12-15 23:41:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 23:41:38,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:38,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:38,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 23:41:38,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:41:38,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:38,531 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2021-12-15 23:41:38,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:41:38,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59248004] [2021-12-15 23:41:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:38,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:41:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:41:38,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:41:38,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 23:41:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:38,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 23:41:38,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:41:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:38,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:41:38,766 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:41:38,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59248004] [2021-12-15 23:41:38,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59248004] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:38,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:38,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 23:41:38,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944499432] [2021-12-15 23:41:38,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:38,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 23:41:38,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:41:38,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 23:41:38,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 23:41:38,769 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:38,807 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2021-12-15 23:41:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 23:41:38,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-15 23:41:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:38,808 INFO L225 Difference]: With dead ends: 35 [2021-12-15 23:41:38,809 INFO L226 Difference]: Without dead ends: 21 [2021-12-15 23:41:38,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 23:41:38,810 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:38,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2021-12-15 23:41:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-12-15 23:41:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-15 23:41:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-12-15 23:41:38,814 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2021-12-15 23:41:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:38,815 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-12-15 23:41:38,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-12-15 23:41:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 23:41:38,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:38,816 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:38,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-15 23:41:39,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,031 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:39,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2089944352, now seen corresponding path program 1 times [2021-12-15 23:41:39,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:41:39,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642056039] [2021-12-15 23:41:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:39,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:41:39,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:41:39,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-15 23:41:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:39,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 23:41:39,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:41:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:39,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:41:39,213 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:41:39,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642056039] [2021-12-15 23:41:39,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642056039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:39,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:39,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 23:41:39,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387960399] [2021-12-15 23:41:39,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:39,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 23:41:39,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:41:39,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 23:41:39,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 23:41:39,215 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:39,243 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-12-15 23:41:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 23:41:39,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-12-15 23:41:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:39,244 INFO L225 Difference]: With dead ends: 31 [2021-12-15 23:41:39,244 INFO L226 Difference]: Without dead ends: 19 [2021-12-15 23:41:39,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 23:41:39,245 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:39,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-12-15 23:41:39,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-15 23:41:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-15 23:41:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-12-15 23:41:39,248 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2021-12-15 23:41:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:39,248 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-12-15 23:41:39,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-12-15 23:41:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 23:41:39,248 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:39,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:39,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-15 23:41:39,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,457 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:39,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:39,457 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2021-12-15 23:41:39,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:41:39,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841512215] [2021-12-15 23:41:39,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:39,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:41:39,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:41:39,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-15 23:41:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:39,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 23:41:39,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:41:39,567 INFO L388 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 51 treesize of output 45 [2021-12-15 23:41:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:39,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:41:39,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:41:39,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841512215] [2021-12-15 23:41:39,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841512215] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:39,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:39,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 23:41:39,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886213415] [2021-12-15 23:41:39,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:39,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 23:41:39,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:41:39,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 23:41:39,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-15 23:41:39,651 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:39,662 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-12-15 23:41:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-15 23:41:39,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-12-15 23:41:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:39,663 INFO L225 Difference]: With dead ends: 22 [2021-12-15 23:41:39,663 INFO L226 Difference]: Without dead ends: 19 [2021-12-15 23:41:39,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-15 23:41:39,666 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:39,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2021-12-15 23:41:39,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-15 23:41:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-15 23:41:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-12-15 23:41:39,674 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2021-12-15 23:41:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:39,674 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-12-15 23:41:39,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-12-15 23:41:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-15 23:41:39,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:41:39,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:41:39,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-15 23:41:39,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,884 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:41:39,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:41:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2021-12-15 23:41:39,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:41:39,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261499060] [2021-12-15 23:41:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:41:39,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:41:39,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:41:39,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:41:39,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-15 23:41:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:41:39,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-15 23:41:39,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:41:39,983 INFO L388 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 15 treesize of output 16 [2021-12-15 23:41:40,141 INFO L354 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2021-12-15 23:41:40,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-12-15 23:41:40,429 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-15 23:41:40,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 32 [2021-12-15 23:41:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:41:40,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:41:40,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:41:40,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261499060] [2021-12-15 23:41:40,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261499060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:41:40,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:41:40,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-15 23:41:40,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804613760] [2021-12-15 23:41:40,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:41:40,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-15 23:41:40,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:41:40,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-15 23:41:40,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-15 23:41:40,648 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:41:40,677 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-12-15 23:41:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-15 23:41:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-15 23:41:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:41:40,677 INFO L225 Difference]: With dead ends: 19 [2021-12-15 23:41:40,677 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 23:41:40,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-12-15 23:41:40,678 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:41:40,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 26 Unchecked, 0.0s Time] [2021-12-15 23:41:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 23:41:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 23:41:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 23:41:40,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-12-15 23:41:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:41:40,679 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 23:41:40,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:41:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 23:41:40,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 23:41:40,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:41:40,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-15 23:41:40,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:41:40,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 23:41:40,948 INFO L854 garLoopResultBuilder]: At program point L73(lines 64 74) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (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|)) (fp.neg (_ +zero 11 53))) (= |ULTIMATE.start___signbit_double_#res#1| (_ bv1 32)))) |ULTIMATE.start_main_#t~short12#1|) [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L854 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) (.cse0 (select .cse3 (_ bv4 32)))) (and (= .cse0 (bvand (_ bv2147483648 32) .cse1)) (= (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)) .cse1) (= |ULTIMATE.start_trunc_double_#res#1| (let ((.cse2 (concat .cse0 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (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|)) (fp.neg (_ +zero 11 53))))))) (exists ((|ULTIMATE.start_trunc_double_~msw~0#1| (_ BitVec 32))) (= |ULTIMATE.start_trunc_double_#res#1| (let ((.cse4 (concat (bvand (_ bv2147483648 32) |ULTIMATE.start_trunc_double_~msw~0#1|) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (= |ULTIMATE.start_trunc_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-12-15 23:41:40,948 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2021-12-15 23:41:40,949 INFO L854 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2021-12-15 23:41:40,949 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2021-12-15 23:41:40,949 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 23:41:40,949 INFO L858 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-12-15 23:41:40,949 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2021-12-15 23:41:40,953 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2021-12-15 23:41:40,953 INFO L854 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2021-12-15 23:41:40,953 INFO L858 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2021-12-15 23:41:40,953 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2021-12-15 23:41:40,953 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-12-15 23:41:40,953 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2021-12-15 23:41:40,954 INFO L854 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) (.cse0 (select .cse3 (_ bv4 32)))) (and (= .cse0 (bvand (_ bv2147483648 32) .cse1)) (= (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)) .cse1) (= |ULTIMATE.start___signbit_double_~x#1| (let ((.cse2 (concat .cse0 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (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|)) (fp.neg (_ +zero 11 53))))))) |ULTIMATE.start_main_#t~short12#1|) [2021-12-15 23:41:40,954 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= |ULTIMATE.start_trunc_double_~signbit~0#1| (bvand (_ bv2147483648 32) .cse0)) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) (= (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|)) (fp.neg (_ +zero 11 53)))))) [2021-12-15 23:41:40,954 INFO L858 garLoopResultBuilder]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2021-12-15 23:41:40,954 INFO L861 garLoopResultBuilder]: At program point L92(lines 76 93) the Hoare annotation is: true [2021-12-15 23:41:40,954 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-15 23:41:40,956 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-15 23:41:40,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:41:40,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,974 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,975 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,976 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,977 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,978 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:40,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,979 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,987 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:40,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:40,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:40,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:41:40 BoogieIcfgContainer [2021-12-15 23:41:40,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:41:40,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:41:40,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:41:40,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:41:40,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:41:38" (3/4) ... [2021-12-15 23:41:40,999 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 23:41:41,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-12-15 23:41:41,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-15 23:41:41,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 23:41:41,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 23:41:41,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-12-15 23:41:41,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && \result == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[51:0])) [2021-12-15 23:41:41,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && x == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux [2021-12-15 23:41:41,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_skolemized_q#valueAsBitvector_13 : bv64, v_arrayElimCell_4 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[63:63], (~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[62:52], (~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[51:0]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && aux-res == -0.0 && __signbit_double(res) == 1-aux [2021-12-15 23:41:41,035 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 23:41:41,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:41:41,036 INFO L158 Benchmark]: Toolchain (without parser) took 3663.46ms. Allocated memory was 52.4MB in the beginning and 86.0MB in the end (delta: 33.6MB). Free memory was 30.0MB in the beginning and 56.3MB in the end (delta: -26.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,036 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:41:41,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.80ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 53.3MB in the end (delta: -23.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.22ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 51.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,037 INFO L158 Benchmark]: Boogie Preprocessor took 44.34ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 49.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,037 INFO L158 Benchmark]: RCFGBuilder took 354.08ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 36.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,037 INFO L158 Benchmark]: TraceAbstraction took 2923.33ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.5MB in the beginning and 60.5MB in the end (delta: -24.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,038 INFO L158 Benchmark]: Witness Printer took 39.55ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 56.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 23:41:41,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.80ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 53.3MB in the end (delta: -23.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.22ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 51.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.34ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 49.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.08ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 36.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2923.33ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.5MB in the beginning and 60.5MB in the end (delta: -24.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 39.55ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 56.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#ew_u~0#1.base_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_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,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[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#ew_u~0#1.base_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_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,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[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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_arrayElimCell_4,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_arrayElimCell_4,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_arrayElimCell_4,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_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,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_arrayElimCell_4,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_arrayElimCell_4,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_arrayElimCell_4,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_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#ew_u~0#1.base_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_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#ew_u~0#1.base_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_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,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_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_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_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 51 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 246 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 26 QuantifiedInterpolants, 884 SizeOfPredicates, 32 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 57 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 19]: Loop Invariant [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:41,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:41,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && \result == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, ULTIMATE.start_trunc_double_~msw~0#1) ++ 0bv32)[51:0])) - InvariantResult [Line: 64]: Loop Invariant [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,058 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:41:41,059 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_skolemized_q#valueAsBitvector_13 : bv64, v_arrayElimCell_4 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[63:63], (~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[62:52], (~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) ++ v_arrayElimCell_4)[51:0]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && aux-res == -0.0 && __signbit_double(res) == 1-aux - InvariantResult [Line: 67]: Loop Invariant [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,060 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_12[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && x == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux - InvariantResult [Line: 34]: Loop Invariant [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-12-15 23:41:41,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-12-15 23:41:41,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_12[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-15 23:41:41,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE