./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/elimination_max.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/verifythis/elimination_max.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 2e9d0e89ee237165e6cd15cb730148b321ca31eb .................................................................................................................................................................................................................................................................................... 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/verifythis/elimination_max.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 2e9d0e89ee237165e6cd15cb730148b321ca31eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:06:20,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:06:20,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:06:20,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:06:20,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:06:20,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:06:20,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:06:20,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:06:20,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:06:20,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:06:20,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:06:20,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:06:20,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:06:20,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:06:20,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:06:20,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:06:20,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:06:20,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:06:20,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:06:20,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:06:20,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:06:20,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:06:20,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:06:20,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:06:20,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:06:20,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:06:20,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:06:20,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:06:20,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:06:20,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:06:20,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:06:20,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:06:20,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:06:20,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:06:20,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:06:20,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:06:20,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:06:20,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:06:20,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:06:20,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:06:20,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:06:20,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:06:20,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:06:20,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:06:20,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:06:20,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:06:20,828 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:06:20,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:06:20,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:06:20,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:06:20,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:06:20,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:06:20,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:06:20,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:06:20,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:06:20,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:06:20,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:06:20,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:06:20,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:06:20,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:06:20,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:06:20,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:06:20,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:06:20,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:06:20,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:06:20,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:06:20,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:06:20,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:06:20,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:06:20,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:06:20,834 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 -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-28 00:06:21,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:06:21,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:06:21,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:06:21,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:06:21,161 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:06:21,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 00:06:21,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acba1b83e/3810cec7d09e49d4a883ab37f2dfbbd3/FLAG8e70f72c6 [2019-11-28 00:06:21,711 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:06:21,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 00:06:21,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acba1b83e/3810cec7d09e49d4a883ab37f2dfbbd3/FLAG8e70f72c6 [2019-11-28 00:06:22,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acba1b83e/3810cec7d09e49d4a883ab37f2dfbbd3 [2019-11-28 00:06:22,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:06:22,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:06:22,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:06:22,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:06:22,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:06:22,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7bf631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22, skipping insertion in model container [2019-11-28 00:06:22,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:06:22,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:06:22,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:06:22,400 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:06:22,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:06:22,510 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:06:22,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22 WrapperNode [2019-11-28 00:06:22,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:06:22,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:06:22,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:06:22,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:06:22,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:06:22,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:06:22,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:06:22,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:06:22,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (1/1) ... [2019-11-28 00:06:22,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:06:22,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:06:22,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:06:22,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:06:22,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (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 [2019-11-28 00:06:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:06:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:06:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:06:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:06:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:06:22,902 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:06:22,903 INFO L297 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-28 00:06:22,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:22 BoogieIcfgContainer [2019-11-28 00:06:22,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:06:22,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:06:22,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:06:22,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:06:22,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:06:22" (1/3) ... [2019-11-28 00:06:22,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319f7c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:22, skipping insertion in model container [2019-11-28 00:06:22,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:22" (2/3) ... [2019-11-28 00:06:22,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319f7c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:22, skipping insertion in model container [2019-11-28 00:06:22,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:22" (3/3) ... [2019-11-28 00:06:22,939 INFO L109 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2019-11-28 00:06:22,959 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:06:22,965 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 00:06:22,986 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-28 00:06:23,014 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:06:23,014 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:06:23,014 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:06:23,014 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:06:23,015 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:06:23,015 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:06:23,015 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:06:23,015 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:06:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-28 00:06:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 00:06:23,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:23,038 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:23,038 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:23,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:23,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1804411268, now seen corresponding path program 1 times [2019-11-28 00:06:23,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:06:23,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159820420] [2019-11-28 00:06:23,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:06:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:23,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159820420] [2019-11-28 00:06:23,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:06:23,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:06:23,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242081519] [2019-11-28 00:06:23,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:06:23,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:06:23,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:06:23,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:06:23,208 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-28 00:06:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:23,223 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-28 00:06:23,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:06:23,224 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-28 00:06:23,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:23,234 INFO L225 Difference]: With dead ends: 35 [2019-11-28 00:06:23,234 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 00:06:23,238 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 [2019-11-28 00:06:23,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 00:06:23,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 00:06:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 00:06:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2019-11-28 00:06:23,274 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 7 [2019-11-28 00:06:23,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:23,275 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2019-11-28 00:06:23,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:06:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-28 00:06:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 00:06:23,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:23,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:23,276 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:23,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1804113358, now seen corresponding path program 1 times [2019-11-28 00:06:23,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:06:23,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932525959] [2019-11-28 00:06:23,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:06:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:23,359 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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) [2019-11-28 00:06:23,364 INFO L168 Benchmark]: Toolchain (without parser) took 1221.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:06:23,365 INFO L168 Benchmark]: CDTParser took 0.64 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. [2019-11-28 00:06:23,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:06:23,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:06:23,368 INFO L168 Benchmark]: Boogie Preprocessor took 25.60 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. [2019-11-28 00:06:23,369 INFO L168 Benchmark]: RCFGBuilder took 329.63 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:06:23,370 INFO L168 Benchmark]: TraceAbstraction took 442.69 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:06:23,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 368.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.60 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 329.63 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 442.69 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:06:25,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:06:25,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:06:25,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:06:25,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:06:25,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:06:25,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:06:25,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:06:25,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:06:25,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:06:25,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:06:25,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:06:25,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:06:25,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:06:25,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:06:25,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:06:25,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:06:25,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:06:25,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:06:25,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:06:25,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:06:25,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:06:25,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:06:25,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:06:25,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:06:25,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:06:25,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:06:25,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:06:25,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:06:25,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:06:25,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:06:25,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:06:25,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:06:25,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:06:25,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:06:25,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:06:25,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:06:25,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:06:25,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:06:25,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:06:25,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:06:25,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:06:25,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:06:25,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:06:25,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:06:25,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:06:25,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:06:25,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:06:25,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:06:25,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:06:25,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:06:25,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:06:25,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:06:25,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:06:25,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:06:25,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:06:25,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:06:25,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:06:25,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:06:25,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:06:25,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:06:25,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:06:25,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:06:25,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:06:25,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:06:25,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:06:25,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:06:25,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:06:25,443 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:06:25,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:06:25,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:06:25,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:06:25,445 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 -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-28 00:06:25,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:06:25,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:06:25,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:06:25,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:06:25,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:06:25,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 00:06:25,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f003f11/7f824f90d746435982d19e755871f614/FLAG9f5540933 [2019-11-28 00:06:26,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:06:26,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 00:06:26,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f003f11/7f824f90d746435982d19e755871f614/FLAG9f5540933 [2019-11-28 00:06:26,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f003f11/7f824f90d746435982d19e755871f614 [2019-11-28 00:06:26,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:06:26,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:06:26,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:06:26,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:06:26,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:06:26,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:26" (1/1) ... [2019-11-28 00:06:26,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26, skipping insertion in model container [2019-11-28 00:06:26,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:26" (1/1) ... [2019-11-28 00:06:26,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:06:26,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:06:26,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:06:26,988 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:06:27,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:06:27,103 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:06:27,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27 WrapperNode [2019-11-28 00:06:27,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:06:27,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:06:27,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:06:27,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:06:27,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:06:27,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:06:27,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:06:27,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:06:27,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (1/1) ... [2019-11-28 00:06:27,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:06:27,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:06:27,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:06:27,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:06:27,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (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 [2019-11-28 00:06:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:06:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:06:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:06:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:06:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:06:27,525 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:06:27,525 INFO L297 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-28 00:06:27,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:27 BoogieIcfgContainer [2019-11-28 00:06:27,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:06:27,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:06:27,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:06:27,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:06:27,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:06:26" (1/3) ... [2019-11-28 00:06:27,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf665a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:27, skipping insertion in model container [2019-11-28 00:06:27,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:27" (2/3) ... [2019-11-28 00:06:27,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf665a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:27, skipping insertion in model container [2019-11-28 00:06:27,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:27" (3/3) ... [2019-11-28 00:06:27,540 INFO L109 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2019-11-28 00:06:27,551 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:06:27,563 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 00:06:27,578 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-28 00:06:27,603 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:06:27,604 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:06:27,604 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:06:27,604 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:06:27,604 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:06:27,605 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:06:27,605 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:06:27,605 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:06:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-28 00:06:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 00:06:27,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:27,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:27,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1804411268, now seen corresponding path program 1 times [2019-11-28 00:06:27,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:27,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085579371] [2019-11-28 00:06:27,647 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 [2019-11-28 00:06:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:27,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 00:06:27,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:27,738 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:06:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:27,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085579371] [2019-11-28 00:06:27,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:06:27,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 00:06:27,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657157742] [2019-11-28 00:06:27,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:06:27,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:06:27,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:06:27,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:06:27,762 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-28 00:06:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:27,780 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-28 00:06:27,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:06:27,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-28 00:06:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:27,791 INFO L225 Difference]: With dead ends: 35 [2019-11-28 00:06:27,791 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 00:06:27,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:06:27,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 00:06:27,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 00:06:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 00:06:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2019-11-28 00:06:27,829 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 7 [2019-11-28 00:06:27,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:27,829 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2019-11-28 00:06:27,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:06:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-28 00:06:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 00:06:27,830 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:27,830 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:28,040 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 00:06:28,040 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:28,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:28,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1804113358, now seen corresponding path program 1 times [2019-11-28 00:06:28,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:28,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133698073] [2019-11-28 00:06:28,043 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 [2019-11-28 00:06:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:28,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 00:06:28,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:28,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:28,298 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:06:28,372 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 00:06:28,373 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2019-11-28 00:06:28,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:28,381 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 00:06:28,402 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 00:06:28,404 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 00:06:28,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:20 [2019-11-28 00:06:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:28,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133698073] [2019-11-28 00:06:28,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:06:28,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-11-28 00:06:28,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127373077] [2019-11-28 00:06:28,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 00:06:28,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:06:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 00:06:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:06:28,503 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 9 states. [2019-11-28 00:06:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:29,042 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2019-11-28 00:06:29,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:06:29,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 7 [2019-11-28 00:06:29,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:29,046 INFO L225 Difference]: With dead ends: 30 [2019-11-28 00:06:29,046 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 00:06:29,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:06:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 00:06:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 19. [2019-11-28 00:06:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 00:06:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-28 00:06:29,055 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2019-11-28 00:06:29,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:29,056 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-28 00:06:29,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 00:06:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-28 00:06:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 00:06:29,059 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:29,059 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:29,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 00:06:29,275 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:29,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1363506767, now seen corresponding path program 1 times [2019-11-28 00:06:29,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:29,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224549772] [2019-11-28 00:06:29,277 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 [2019-11-28 00:06:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:29,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 00:06:29,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:29,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:29,673 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:06:30,092 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 00:06:30,094 INFO L343 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2019-11-28 00:06:30,095 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 90 [2019-11-28 00:06:30,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:30,179 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-11-28 00:06:30,332 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-11-28 00:06:30,333 INFO L588 ElimStorePlain]: treesize reduction 235, result has 14.9 percent of original size [2019-11-28 00:06:30,334 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 00:06:30,335 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:41 [2019-11-28 00:06:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:30,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224549772] [2019-11-28 00:06:30,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:06:30,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-28 00:06:30,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372860506] [2019-11-28 00:06:30,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 00:06:30,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:06:30,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 00:06:30,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-28 00:06:30,479 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 13 states. [2019-11-28 00:06:33,493 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-11-28 00:06:33,952 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2019-11-28 00:06:34,730 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2019-11-28 00:06:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:34,773 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2019-11-28 00:06:34,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 00:06:34,777 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 9 [2019-11-28 00:06:34,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:34,778 INFO L225 Difference]: With dead ends: 51 [2019-11-28 00:06:34,778 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:06:34,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2019-11-28 00:06:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:06:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 23. [2019-11-28 00:06:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 00:06:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-11-28 00:06:34,787 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 9 [2019-11-28 00:06:34,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:34,788 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-28 00:06:34,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 00:06:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-28 00:06:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 00:06:34,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:34,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:34,995 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 00:06:34,996 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:34,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:34,998 INFO L82 PathProgramCache]: Analyzing trace with hash -875811110, now seen corresponding path program 1 times [2019-11-28 00:06:34,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:34,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125556820] [2019-11-28 00:06:35,000 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 [2019-11-28 00:06:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:35,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:06:35,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:35,073 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:06:35,097 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 00:06:35,098 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2019-11-28 00:06:35,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:35,102 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 00:06:35,105 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 00:06:35,105 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 00:06:35,105 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:11 [2019-11-28 00:06:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:35,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125556820] [2019-11-28 00:06:35,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:06:35,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 00:06:35,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289823308] [2019-11-28 00:06:35,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:06:35,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:06:35,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:06:35,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:06:35,136 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand 8 states. [2019-11-28 00:06:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:35,336 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2019-11-28 00:06:35,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:06:35,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-28 00:06:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:35,338 INFO L225 Difference]: With dead ends: 46 [2019-11-28 00:06:35,338 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 00:06:35,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:06:35,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 00:06:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2019-11-28 00:06:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:06:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2019-11-28 00:06:35,348 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 10 [2019-11-28 00:06:35,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:35,349 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2019-11-28 00:06:35,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:06:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2019-11-28 00:06:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 00:06:35,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:35,351 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:35,570 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 00:06:35,570 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash -312786986, now seen corresponding path program 1 times [2019-11-28 00:06:35,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:35,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913564740] [2019-11-28 00:06:35,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 00:06:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:06:35,671 WARN L253 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-28 00:06:35,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:35,979 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-28 00:06:36,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:36,363 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:06:37,432 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 00:06:37,437 INFO L343 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2019-11-28 00:06:37,438 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 93 [2019-11-28 00:06:37,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:37,508 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 00:06:37,677 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-11-28 00:06:37,678 INFO L588 ElimStorePlain]: treesize reduction 12, result has 83.3 percent of original size [2019-11-28 00:06:37,679 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 00:06:37,679 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:60 [2019-11-28 00:06:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:06:37,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913564740] [2019-11-28 00:06:37,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:06:37,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2019-11-28 00:06:37,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673592758] [2019-11-28 00:06:37,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 00:06:37,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:06:37,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 00:06:37,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2019-11-28 00:06:37,855 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand 17 states. [2019-11-28 00:06:38,396 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 00:06:40,931 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-28 00:06:41,556 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-28 00:06:41,941 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2019-11-28 00:06:42,828 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-28 00:06:45,488 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2019-11-28 00:06:46,157 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-11-28 00:06:46,700 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2019-11-28 00:06:47,505 WARN L192 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-11-28 00:06:47,888 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-11-28 00:06:48,281 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2019-11-28 00:06:49,262 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-11-28 00:06:49,630 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-11-28 00:06:50,055 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2019-11-28 00:06:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:06:50,111 INFO L93 Difference]: Finished difference Result 87 states and 107 transitions. [2019-11-28 00:06:50,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-28 00:06:50,113 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 11 [2019-11-28 00:06:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:06:50,114 INFO L225 Difference]: With dead ends: 87 [2019-11-28 00:06:50,114 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 00:06:50,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=358, Invalid=1124, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 00:06:50,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 00:06:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 40. [2019-11-28 00:06:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 00:06:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-11-28 00:06:50,126 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 11 [2019-11-28 00:06:50,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:06:50,126 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-11-28 00:06:50,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 00:06:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-11-28 00:06:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 00:06:50,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:06:50,127 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:06:50,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 00:06:50,329 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:06:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:06:50,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1460373334, now seen corresponding path program 2 times [2019-11-28 00:06:50,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 00:06:50,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007015874] [2019-11-28 00:06:50,331 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 00:06:50,368 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 00:06:50,368 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:06:50,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 00:06:50,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:06:50,379 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-28 00:06:50,379 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 00:06:50,381 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 00:06:50,382 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 00:06:50,382 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-28 00:06:50,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:06:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 00:06:50,416 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 00:07:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 00:07:00,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007015874] [2019-11-28 00:07:00,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:07:00,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 00:07:00,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888824507] [2019-11-28 00:07:00,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:07:00,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 00:07:00,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:07:00,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=35, Unknown=5, NotChecked=0, Total=56 [2019-11-28 00:07:00,530 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 8 states. [2019-11-28 00:07:02,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:07:02,614 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2019-11-28 00:07:02,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:07:02,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 00:07:02,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:07:02,614 INFO L225 Difference]: With dead ends: 40 [2019-11-28 00:07:02,615 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:07:02,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=31, Invalid=53, Unknown=6, NotChecked=0, Total=90 [2019-11-28 00:07:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:07:02,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:07:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:07:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:07:02,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 00:07:02,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:07:02,616 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:07:02,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:07:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:07:02,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:07:02,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 00:07:02,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:07:03,104 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2019-11-28 00:07:04,434 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-28 00:07:04,462 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,462 INFO L246 CegarLoopResult]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2019-11-28 00:07:04,462 INFO L242 CegarLoopResult]: At program point L40-3(lines 40 42) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (or (forall ((v_ULTIMATE.start_main_~i~0_15 (_ BitVec 32))) (let ((.cse1 (bvmul ULTIMATE.start_main_~x~0 (_ bv4 32))) (.cse2 (bvmul v_ULTIMATE.start_main_~i~0_15 (_ bv4 32)))) (or (= .cse1 .cse2) (= (bvadd .cse2 (_ bv4294967292 32)) .cse1) (= (bvmul ULTIMATE.start_main_~y~0 (_ bv4 32)) .cse2) (not (bvslt v_ULTIMATE.start_main_~i~0_15 ULTIMATE.start_main_~n~0)) (not (bvsle (_ bv0 32) v_ULTIMATE.start_main_~i~0_15))))) (bvslt (bvadd ULTIMATE.start_main_~x~0 (_ bv1 32)) (bvadd ULTIMATE.start_main_~y~0 (_ bv4294967295 32))) (not (bvslt ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0))) (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= |ULTIMATE.start_main_#t~malloc3.offset| (_ bv0 32)) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc3.base|) .cse0))) [2019-11-28 00:07:04,463 INFO L246 CegarLoopResult]: For program point L40-4(lines 40 42) no Hoare annotation was computed. [2019-11-28 00:07:04,463 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:07:04,463 INFO L246 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-28 00:07:04,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:07:04,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:07:04,464 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,464 INFO L246 CegarLoopResult]: For program point L20-2(lines 20 32) no Hoare annotation was computed. [2019-11-28 00:07:04,464 INFO L249 CegarLoopResult]: At program point L45(lines 11 46) the Hoare annotation is: true [2019-11-28 00:07:04,464 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:07:04,464 INFO L246 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-28 00:07:04,464 INFO L246 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2019-11-28 00:07:04,465 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-28 00:07:04,465 INFO L242 CegarLoopResult]: At program point L30-2(lines 20 32) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= |ULTIMATE.start_main_#t~malloc3.offset| (_ bv0 32)) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc3.base|) .cse0))) [2019-11-28 00:07:04,465 INFO L246 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,465 INFO L246 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,465 INFO L246 CegarLoopResult]: For program point L6-3(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,465 INFO L246 CegarLoopResult]: For program point L6-4(line 6) no Hoare annotation was computed. [2019-11-28 00:07:04,471 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) 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) [2019-11-28 00:07:04,475 INFO L168 Benchmark]: Toolchain (without parser) took 37743.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 252.2 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -240.5 MB). Peak memory consumption was 340.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:04,476 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-28 00:07:04,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:04,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.18 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. [2019-11-28 00:07:04,478 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:04,479 INFO L168 Benchmark]: RCFGBuilder took 351.82 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:04,480 INFO L168 Benchmark]: TraceAbstraction took 36945.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -78.6 MB). Peak memory consumption was 355.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:07:04,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 371.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.18 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 29.84 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.82 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36945.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -78.6 MB). Peak memory consumption was 355.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...