./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0834.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_0834.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 .............................................................................................................................................................................................................................................................................................................................. 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 -Xmx12G -Xms1G -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_0834.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34004772e6a1e54917776a817538fd6c8fd28f94 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:43:21,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:43:21,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:43:21,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:43:21,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:43:21,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:43:21,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:43:21,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:43:21,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:43:21,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:43:21,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:43:21,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:43:21,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:43:21,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:43:21,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:43:21,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:43:21,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:43:21,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:43:21,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:43:21,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:43:21,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:43:21,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:43:21,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:43:21,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:43:21,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:43:21,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:43:21,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:43:21,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:43:21,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:43:21,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:43:21,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:43:21,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:43:21,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:43:21,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:43:21,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:43:21,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:43:21,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:43:21,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:43:21,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:43:21,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:43:21,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:43:21,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:43:21,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:43:21,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:43:21,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:43:21,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:43:21,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:43:21,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:43:21,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:43:21,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:43:21,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:43:21,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:43:21,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:43:21,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:43:21,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:43:21,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:43:21,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:43:21,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:43:21,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:43:21,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:43:21,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:43:21,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:43:21,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:43:21,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:43:21,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:43:21,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:43:21,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:43:21,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:43:21,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:43:21,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:43:21,781 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-27 23:43:22,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:43:22,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:43:22,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:43:22,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:43:22,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:43:22,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-27 23:43:22,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a0c0365/619f7ab8155a4c53a57ba7472d1825bb/FLAG5a65adfb7 [2019-11-27 23:43:22,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:43:22,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-27 23:43:22,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a0c0365/619f7ab8155a4c53a57ba7472d1825bb/FLAG5a65adfb7 [2019-11-27 23:43:23,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54a0c0365/619f7ab8155a4c53a57ba7472d1825bb [2019-11-27 23:43:23,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:43:23,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:43:23,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:23,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:43:23,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:43:23,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbfb8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23, skipping insertion in model container [2019-11-27 23:43:23,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:43:23,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:43:23,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:23,333 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:43:23,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:23,467 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:43:23,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23 WrapperNode [2019-11-27 23:43:23,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:23,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:23,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:43:23,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:43:23,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:23,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:43:23,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:43:23,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:43:23,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (1/1) ... [2019-11-27 23:43:23,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:43:23,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:43:23,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:43:23,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:43:23,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (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 [2019-11-27 23:43:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:43:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:43:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:43:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:43:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:43:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:43:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:43:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-27 23:43:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:43:24,147 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:43:24,148 INFO L297 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-27 23:43:24,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:24 BoogieIcfgContainer [2019-11-27 23:43:24,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:43:24,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:43:24,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:43:24,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:43:24,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:43:23" (1/3) ... [2019-11-27 23:43:24,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5202c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:24, skipping insertion in model container [2019-11-27 23:43:24,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:23" (2/3) ... [2019-11-27 23:43:24,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5202c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:24, skipping insertion in model container [2019-11-27 23:43:24,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:24" (3/3) ... [2019-11-27 23:43:24,157 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-27 23:43:24,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:43:24,171 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:43:24,179 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:43:24,202 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:43:24,203 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:43:24,203 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:43:24,203 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:43:24,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:43:24,204 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:43:24,204 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:43:24,204 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:43:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-27 23:43:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 23:43:24,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:24,228 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:24,228 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:24,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-27 23:43:24,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:43:24,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596146742] [2019-11-27 23:43:24,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:43:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:24,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596146742] [2019-11-27 23:43:24,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:24,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:43:24,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699035075] [2019-11-27 23:43:24,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:43:24,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:43:24,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:43:24,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:24,397 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-27 23:43:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:24,418 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-27 23:43:24,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:43:24,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-27 23:43:24,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:24,430 INFO L225 Difference]: With dead ends: 84 [2019-11-27 23:43:24,430 INFO L226 Difference]: Without dead ends: 40 [2019-11-27 23:43:24,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:24,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-27 23:43:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-27 23:43:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-27 23:43:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-27 23:43:24,473 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-27 23:43:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:24,473 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-27 23:43:24,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:43:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-27 23:43:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 23:43:24,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:24,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:24,476 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:24,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:24,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-27 23:43:24,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:43:24,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659208824] [2019-11-27 23:43:24,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:43:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:43:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:43:24,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:43:24,728 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:43:24,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:43:24 BoogieIcfgContainer [2019-11-27 23:43:24,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:43:24,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:43:24,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:43:24,789 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:43:24,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:24" (3/4) ... [2019-11-27 23:43:24,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:43:24,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:43:24,798 INFO L168 Benchmark]: Toolchain (without parser) took 1737.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:24,799 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:24,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:24,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:24,803 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:24,804 INFO L168 Benchmark]: RCFGBuilder took 572.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:24,805 INFO L168 Benchmark]: TraceAbstraction took 637.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:24,805 INFO L168 Benchmark]: Witness Printer took 6.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:24,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 572.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 637.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] double res = __ieee754_exp(x); [L133] __int32_t hx, lx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 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=43occurred 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:43:26,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:43:26,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:43:26,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:43:26,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:43:26,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:43:26,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:43:26,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:43:26,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:43:26,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:43:26,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:43:26,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:43:26,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:43:26,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:43:26,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:43:26,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:43:26,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:43:26,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:43:26,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:43:26,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:43:26,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:43:26,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:43:26,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:43:26,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:43:26,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:43:26,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:43:26,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:43:26,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:43:26,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:43:26,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:43:26,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:43:26,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:43:26,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:43:26,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:43:26,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:43:26,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:43:26,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:43:26,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:43:26,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:43:26,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:43:26,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:43:26,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:43:26,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:43:26,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:43:26,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:43:26,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:43:26,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:43:26,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:43:26,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:43:26,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:43:26,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:43:26,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:43:26,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:43:26,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:43:26,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:43:26,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:43:26,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:43:26,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:43:26,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:43:26,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:43:26,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:43:26,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:43:26,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:43:26,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:43:26,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:43:26,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:43:26,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:43:26,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:43:26,778 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:43:26,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:43:26,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:43:26,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:43:26,778 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-27 23:43:27,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:43:27,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:43:27,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:43:27,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:43:27,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:43:27,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-27 23:43:27,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a32379a/070e23db4a9546d68322d81f8dc57f86/FLAG232d18fd4 [2019-11-27 23:43:27,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:43:27,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-27 23:43:27,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a32379a/070e23db4a9546d68322d81f8dc57f86/FLAG232d18fd4 [2019-11-27 23:43:27,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a32379a/070e23db4a9546d68322d81f8dc57f86 [2019-11-27 23:43:27,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:43:27,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:43:27,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:27,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:43:27,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:43:27,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:27" (1/1) ... [2019-11-27 23:43:27,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f81f53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:27, skipping insertion in model container [2019-11-27 23:43:27,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:27" (1/1) ... [2019-11-27 23:43:27,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:43:27,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:43:28,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:28,224 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:43:28,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:28,378 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:43:28,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28 WrapperNode [2019-11-27 23:43:28,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:28,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:28,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:43:28,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:43:28,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:28,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:43:28,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:43:28,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:43:28,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (1/1) ... [2019-11-27 23:43:28,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:43:28,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:43:28,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:43:28,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:43:28,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (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 [2019-11-27 23:43:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:43:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:43:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:43:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-27 23:43:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:43:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:43:28,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:43:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:43:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:43:40,821 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:43:40,822 INFO L297 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-27 23:43:40,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:40 BoogieIcfgContainer [2019-11-27 23:43:40,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:43:40,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:43:40,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:43:40,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:43:40,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:43:27" (1/3) ... [2019-11-27 23:43:40,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf7e7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:40, skipping insertion in model container [2019-11-27 23:43:40,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:28" (2/3) ... [2019-11-27 23:43:40,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf7e7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:40, skipping insertion in model container [2019-11-27 23:43:40,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:40" (3/3) ... [2019-11-27 23:43:40,832 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-27 23:43:40,842 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:43:40,850 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:43:40,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:43:40,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:43:40,891 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:43:40,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:43:40,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:43:40,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:43:40,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:43:40,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:43:40,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:43:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-27 23:43:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 23:43:40,920 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:40,921 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:40,921 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:40,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:40,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-27 23:43:40,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:40,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852710150] [2019-11-27 23:43:40,938 INFO L94 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 [2019-11-27 23:43:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:41,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:43:41,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:41,351 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:41,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852710150] [2019-11-27 23:43:41,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:41,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:43:41,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192663416] [2019-11-27 23:43:41,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:43:41,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:41,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:43:41,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:41,379 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-27 23:43:41,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:41,396 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-27 23:43:41,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:43:41,398 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-27 23:43:41,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:41,406 INFO L225 Difference]: With dead ends: 84 [2019-11-27 23:43:41,407 INFO L226 Difference]: Without dead ends: 40 [2019-11-27 23:43:41,410 INFO L630 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 [2019-11-27 23:43:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-27 23:43:41,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-27 23:43:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-27 23:43:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-27 23:43:41,457 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-27 23:43:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:41,458 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-27 23:43:41,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:43:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-27 23:43:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 23:43:41,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:41,461 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:41,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:43:41,677 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:41,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-27 23:43:41,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:41,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049454195] [2019-11-27 23:43:41,682 INFO L94 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 [2019-11-27 23:43:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:42,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:43:42,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:42,265 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:42,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049454195] [2019-11-27 23:43:42,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:42,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-27 23:43:42,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930932720] [2019-11-27 23:43:42,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-27 23:43:42,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:42,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-27 23:43:42,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:43:42,380 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2019-11-27 23:43:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:42,557 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2019-11-27 23:43:42,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:43:42,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-27 23:43:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:42,559 INFO L225 Difference]: With dead ends: 48 [2019-11-27 23:43:42,559 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 23:43:42,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:43:42,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 23:43:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-27 23:43:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-27 23:43:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-27 23:43:42,566 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-11-27 23:43:42,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:42,566 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-27 23:43:42,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-27 23:43:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-27 23:43:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-27 23:43:42,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:42,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:42,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:43:42,783 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:42,784 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2019-11-27 23:43:42,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:42,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662288926] [2019-11-27 23:43:42,786 INFO L94 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 [2019-11-27 23:43:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:43,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:43:43,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:43,299 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:43,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662288926] [2019-11-27 23:43:43,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:43,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:43:43,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727859495] [2019-11-27 23:43:43,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:43:43,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:43,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:43:43,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:43:43,476 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-27 23:43:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:43,685 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-27 23:43:43,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:43:43,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-27 23:43:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:43,687 INFO L225 Difference]: With dead ends: 28 [2019-11-27 23:43:43,687 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 23:43:43,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-27 23:43:43,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 23:43:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-27 23:43:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-27 23:43:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-27 23:43:43,693 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-11-27 23:43:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:43,693 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-27 23:43:43,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:43:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-27 23:43:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-27 23:43:43,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:43,694 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:43,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:43:43,908 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:43,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:43,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2019-11-27 23:43:43,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:43,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560178630] [2019-11-27 23:43:43,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-27 23:43:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:44,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-27 23:43:44,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:44,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-27 23:43:44,416 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2019-11-27 23:43:44,441 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-27 23:43:44,441 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 23:43:44,454 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:43:44,455 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 23:43:44,488 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:43:44,490 INFO L508 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-27 23:43:44,491 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:67, output treesize:42 [2019-11-27 23:43:44,787 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-27 23:43:44,788 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:43:44,789 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 191 [2019-11-27 23:43:44,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:44,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:43:45,040 INFO L404 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 3=[v_arrayElimCell_3]} [2019-11-27 23:43:45,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 23:43:45,253 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:303) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:43:45,259 INFO L168 Benchmark]: Toolchain (without parser) took 17324.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 833.7 MB in the end (delta: 124.0 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:45,260 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:45,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:45,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:45,262 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:45,263 INFO L168 Benchmark]: RCFGBuilder took 12312.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:45,264 INFO L168 Benchmark]: TraceAbstraction took 4432.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 833.7 MB in the end (delta: 232.5 MB). Peak memory consumption was 232.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:45,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12312.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4432.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 833.7 MB in the end (delta: 232.5 MB). Peak memory consumption was 232.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...