./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_1052a.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 48a71202a0e82b0e2ae39f845042f68e3a18e5b0 ........................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_1052a.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 48a71202a0e82b0e2ae39f845042f68e3a18e5b0 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:32:35,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:35,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:35,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:35,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:35,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:35,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:35,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:35,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:35,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:35,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:35,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:35,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:35,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:35,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:35,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:35,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:35,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:35,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:35,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:35,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:35,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:35,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:35,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:35,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:35,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:35,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:35,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:35,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:35,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:35,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:35,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:35,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:35,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:35,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:35,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:35,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:35,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:35,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:35,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:35,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:35,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:32:35,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:35,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:35,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:35,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:35,393 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:35,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:35,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:32:35,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:35,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:35,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:35,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:35,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:35,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:35,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:35,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:35,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:35,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:35,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:35,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:35,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:35,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:35,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:35,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:35,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:35,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:32:35,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:32:35,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:35,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:35,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 48a71202a0e82b0e2ae39f845042f68e3a18e5b0 [2020-10-20 00:32:35,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:35,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:35,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:35,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:35,682 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:35,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2020-10-20 00:32:35,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95ce0a5/7bebf1154390400492005664c4f437e0/FLAG742e17713 [2020-10-20 00:32:36,297 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:36,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2020-10-20 00:32:36,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95ce0a5/7bebf1154390400492005664c4f437e0/FLAG742e17713 [2020-10-20 00:32:36,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd95ce0a5/7bebf1154390400492005664c4f437e0 [2020-10-20 00:32:36,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:36,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:36,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:36,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:36,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:36,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:36,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6ae4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36, skipping insertion in model container [2020-10-20 00:32:36,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:36,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:36,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:36,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:36,870 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:36,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:36,938 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:36,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36 WrapperNode [2020-10-20 00:32:36,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:36,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:36,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:36,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:36,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:36,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:36,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:36,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:36,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:36,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:37,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... [2020-10-20 00:32:37,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:37,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:37,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:37,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:37,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:37,571 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:37,571 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:37,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:37 BoogieIcfgContainer [2020-10-20 00:32:37,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:37,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:37,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:37,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:37,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:36" (1/3) ... [2020-10-20 00:32:37,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e660bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:37, skipping insertion in model container [2020-10-20 00:32:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:36" (2/3) ... [2020-10-20 00:32:37,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e660bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:37, skipping insertion in model container [2020-10-20 00:32:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:37" (3/3) ... [2020-10-20 00:32:37,582 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052a.c [2020-10-20 00:32:37,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:37,602 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:37,617 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:37,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:37,645 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:37,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:37,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:37,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:37,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:37,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:37,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-20 00:32:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:32:37,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:37,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:37,676 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:37,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:37,683 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2020-10-20 00:32:37,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:37,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823790008] [2020-10-20 00:32:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:37,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823790008] [2020-10-20 00:32:37,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:37,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:32:37,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390526166] [2020-10-20 00:32:37,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:37,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:32:37,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:37,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:37,870 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-10-20 00:32:37,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:37,891 INFO L93 Difference]: Finished difference Result 73 states and 115 transitions. [2020-10-20 00:32:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:37,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-20 00:32:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:37,904 INFO L225 Difference]: With dead ends: 73 [2020-10-20 00:32:37,905 INFO L226 Difference]: Without dead ends: 34 [2020-10-20 00:32:37,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:37,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-20 00:32:37,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-20 00:32:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-20 00:32:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-10-20 00:32:37,944 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2020-10-20 00:32:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:37,944 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-10-20 00:32:37,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-10-20 00:32:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:32:37,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:37,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:37,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:32:37,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:37,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:37,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2020-10-20 00:32:37,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:37,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137551559] [2020-10-20 00:32:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:38,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:38,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:38,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:32:38,250 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:38,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:32:38,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:38 BoogieIcfgContainer [2020-10-20 00:32:38,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:38,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:38,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:38,320 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:38,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:37" (3/4) ... [2020-10-20 00:32:38,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:32:38,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:38,338 INFO L168 Benchmark]: Toolchain (without parser) took 1731.69 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 25.0 MB in the beginning and 26.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,339 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.3 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.50 ms. Allocated memory is still 44.6 MB. Free memory was 24.2 MB in the beginning and 24.4 MB in the end (delta: -225.9 kB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.15 ms. Allocated memory is still 44.6 MB. Free memory was 24.4 MB in the beginning and 22.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,343 INFO L168 Benchmark]: Boogie Preprocessor took 45.92 ms. Allocated memory is still 44.6 MB. Free memory was 22.2 MB in the beginning and 20.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,345 INFO L168 Benchmark]: RCFGBuilder took 532.37 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 20.3 MB in the beginning and 16.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,347 INFO L168 Benchmark]: TraceAbstraction took 744.26 ms. Allocated memory was 47.2 MB in the beginning and 50.9 MB in the end (delta: 3.7 MB). Free memory was 16.1 MB in the beginning and 27.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,351 INFO L168 Benchmark]: Witness Printer took 11.96 ms. Allocated memory is still 50.9 MB. Free memory was 26.8 MB in the beginning and 26.4 MB in the end (delta: 398.7 kB). Peak memory consumption was 398.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:38,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.3 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 329.50 ms. Allocated memory is still 44.6 MB. Free memory was 24.2 MB in the beginning and 24.4 MB in the end (delta: -225.9 kB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 54.15 ms. Allocated memory is still 44.6 MB. Free memory was 24.4 MB in the beginning and 22.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 45.92 ms. Allocated memory is still 44.6 MB. Free memory was 22.2 MB in the beginning and 20.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 532.37 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 20.3 MB in the beginning and 16.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 744.26 ms. Allocated memory was 47.2 MB in the beginning and 50.9 MB in the end (delta: 3.7 MB). Free memory was 16.1 MB in the beginning and 27.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * Witness Printer took 11.96 ms. Allocated memory is still 50.9 MB. Free memory was 26.8 MB in the beginning and 26.4 MB in the end (delta: 398.7 kB). Peak memory consumption was 398.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 103, overapproximation of bitwiseAnd at line 90. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L103] double x = 1.0 / 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] double res = floor_double(x); [L83] __int32_t hx, lx; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L85] ieee_double_shape_type ew_u; [L86] ew_u.value = (x) [L87] EXPR ew_u.parts.msw [L87] (hx) = ew_u.parts.msw [L88] EXPR ew_u.parts.lsw [L88] (lx) = ew_u.parts.lsw [L90] hx &= 0x7fffffff [L91] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L92] hx = 0x7ff00000 - hx [L93] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L107] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1052a.c", 3, "reach_error") VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:32:40,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:40,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:40,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:40,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:40,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:40,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:40,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:40,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:40,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:40,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:40,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:40,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:40,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:40,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:40,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:40,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:40,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:40,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:40,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:40,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:40,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:40,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:40,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:40,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:40,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:40,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:40,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:40,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:40,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:40,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:40,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:40,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:40,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:40,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:40,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:40,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:40,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:40,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:40,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:40,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:40,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:32:40,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:40,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:40,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:40,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:40,642 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:40,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:40,642 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:40,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:40,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:40,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:40,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:40,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:40,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:32:40,644 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:32:40,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:40,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:40,644 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:40,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:40,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:40,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:40,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:40,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:40,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:40,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:40,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:40,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:40,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:32:40,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:32:40,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:40,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:40,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:32:40,647 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 48a71202a0e82b0e2ae39f845042f68e3a18e5b0 [2020-10-20 00:32:40,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:40,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:40,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:40,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:40,938 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:40,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2020-10-20 00:32:41,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d7aa78f/412c11ba277044f993d6bb9b2692aba0/FLAG983ae18f1 [2020-10-20 00:32:41,589 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:41,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2020-10-20 00:32:41,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d7aa78f/412c11ba277044f993d6bb9b2692aba0/FLAG983ae18f1 [2020-10-20 00:32:41,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d7aa78f/412c11ba277044f993d6bb9b2692aba0 [2020-10-20 00:32:41,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:41,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:41,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:41,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:41,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:41,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:41" (1/1) ... [2020-10-20 00:32:41,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a36ee74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:41, skipping insertion in model container [2020-10-20 00:32:41,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:41" (1/1) ... [2020-10-20 00:32:41,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:41,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:42,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:42,267 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:42,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:42,329 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:42,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42 WrapperNode [2020-10-20 00:32:42,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:42,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:42,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:42,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:42,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:42,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:42,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:42,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:42,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... [2020-10-20 00:32:42,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:42,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:42,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:42,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:42,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:32:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:32:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:32:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:32:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:32:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:44,066 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:44,066 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44 BoogieIcfgContainer [2020-10-20 00:32:44,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:44,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:44,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:44,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:44,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:41" (1/3) ... [2020-10-20 00:32:44,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c214919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:44, skipping insertion in model container [2020-10-20 00:32:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:42" (2/3) ... [2020-10-20 00:32:44,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c214919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:44, skipping insertion in model container [2020-10-20 00:32:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44" (3/3) ... [2020-10-20 00:32:44,076 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052a.c [2020-10-20 00:32:44,089 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:44,097 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:44,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:44,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:44,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:44,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:44,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:44,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:44,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:44,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:44,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-20 00:32:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:32:44,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:44,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:44,155 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:44,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:44,160 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2020-10-20 00:32:44,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:44,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365769138] [2020-10-20 00:32:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:44,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:32:44,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:44,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:44,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365769138] [2020-10-20 00:32:44,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:44,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:32:44,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541770544] [2020-10-20 00:32:44,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:44,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:44,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:44,354 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-10-20 00:32:44,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:44,378 INFO L93 Difference]: Finished difference Result 73 states and 115 transitions. [2020-10-20 00:32:44,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:44,379 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-20 00:32:44,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:44,391 INFO L225 Difference]: With dead ends: 73 [2020-10-20 00:32:44,391 INFO L226 Difference]: Without dead ends: 34 [2020-10-20 00:32:44,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-20 00:32:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-20 00:32:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-20 00:32:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-10-20 00:32:44,445 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2020-10-20 00:32:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:44,446 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-10-20 00:32:44,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-10-20 00:32:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:32:44,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:44,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:44,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:32:44,650 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:44,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:44,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2020-10-20 00:32:44,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:44,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687738963] [2020-10-20 00:32:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:44,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:32:44,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:45,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:45,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687738963] [2020-10-20 00:32:45,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:45,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:32:45,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089876947] [2020-10-20 00:32:45,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:32:45,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:45,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:32:45,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:32:45,177 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 8 states. [2020-10-20 00:32:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:45,508 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2020-10-20 00:32:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:32:45,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-20 00:32:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:45,511 INFO L225 Difference]: With dead ends: 42 [2020-10-20 00:32:45,511 INFO L226 Difference]: Without dead ends: 16 [2020-10-20 00:32:45,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:32:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-20 00:32:45,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-20 00:32:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-20 00:32:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-10-20 00:32:45,527 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2020-10-20 00:32:45,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:45,528 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-10-20 00:32:45,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:32:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-10-20 00:32:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:32:45,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:45,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:45,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:32:45,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:45,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2020-10-20 00:32:45,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:45,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781121504] [2020-10-20 00:32:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:46,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:46,167 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:46,221 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:32:46,222 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:46,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:32:46,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:46 BoogieIcfgContainer [2020-10-20 00:32:46,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:46,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:46,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:46,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:46,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44" (3/4) ... [2020-10-20 00:32:46,465 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:32:46,530 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:32:46,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:46,533 INFO L168 Benchmark]: Toolchain (without parser) took 4610.65 ms. Allocated memory was 40.4 MB in the beginning and 47.7 MB in the end (delta: 7.3 MB). Free memory was 17.9 MB in the beginning and 14.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,534 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.34 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.1 MB in the beginning and 14.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.36 ms. Allocated memory is still 41.4 MB. Free memory was 14.9 MB in the beginning and 12.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,536 INFO L168 Benchmark]: Boogie Preprocessor took 43.79 ms. Allocated memory is still 41.4 MB. Free memory was 12.8 MB in the beginning and 10.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,537 INFO L168 Benchmark]: RCFGBuilder took 1637.31 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 10.7 MB in the beginning and 16.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,538 INFO L168 Benchmark]: TraceAbstraction took 2392.95 ms. Allocated memory was 43.0 MB in the beginning and 47.7 MB in the end (delta: 4.7 MB). Free memory was 16.1 MB in the beginning and 17.8 MB in the end (delta: -1.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,538 INFO L168 Benchmark]: Witness Printer took 68.26 ms. Allocated memory is still 47.7 MB. Free memory was 17.8 MB in the beginning and 14.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:46,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 402.34 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.1 MB in the beginning and 14.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 55.36 ms. Allocated memory is still 41.4 MB. Free memory was 14.9 MB in the beginning and 12.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 43.79 ms. Allocated memory is still 41.4 MB. Free memory was 12.8 MB in the beginning and 10.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1637.31 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 10.7 MB in the beginning and 16.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2392.95 ms. Allocated memory was 43.0 MB in the beginning and 47.7 MB in the end (delta: 4.7 MB). Free memory was 16.1 MB in the beginning and 17.8 MB in the end (delta: -1.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Witness Printer took 68.26 ms. Allocated memory is still 47.7 MB. Free memory was 17.8 MB in the beginning and 14.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L103] double x = 1.0 / 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND FALSE !(j0 < 20) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L49] COND TRUE j0 > 51 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] COND TRUE j0 == 0x400 [L51] return x + x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] double res = floor_double(x); [L83] __int32_t hx, lx; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L85] ieee_double_shape_type ew_u; [L86] ew_u.value = (x) [L87] EXPR ew_u.parts.msw [L87] (hx) = ew_u.parts.msw [L88] EXPR ew_u.parts.lsw [L88] (lx) = ew_u.parts.lsw [L90] hx &= 0x7fffffff [L91] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L92] hx = 0x7ff00000 - hx [L93] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L107] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_1052a.c", 3, "reach_error") VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 44 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 5 QuantifiedInterpolants, 2276 SizeOfPredicates, 8 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...