./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer --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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer --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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const (_ BitVec 32)) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:21,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:21,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:21,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:21,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:21,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:21,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:21,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:21,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:21,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:21,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:21,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:21,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:21,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:21,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:21,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:21,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:21,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:21,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:21,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:21,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:21,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:21,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:21,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:21,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:21,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:21,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:21,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:21,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:21,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:21,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:21,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:21,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:21,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:21,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:21,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:21,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:21,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:21,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:21,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:21,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:21,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:48:21,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:21,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:21,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:21,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:21,118 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:21,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:21,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:21,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:21,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:21,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:21,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:21,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:21,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:21,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:21,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:21,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:21,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:21,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:21,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:21,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:21,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:21,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:21,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:21,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:21,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:21,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:21,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:48:21,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:21,124 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer 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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-25 08:48:21,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:21,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:21,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:21,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:21,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:21,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-11-25 08:48:21,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/85a71bb86/1796707455294070879cc4f36f4f5ffb/FLAGb35394e60 [2019-11-25 08:48:21,695 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:21,698 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/sv-benchmarks/c/loops/nec40.c [2019-11-25 08:48:21,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/85a71bb86/1796707455294070879cc4f36f4f5ffb/FLAGb35394e60 [2019-11-25 08:48:22,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/85a71bb86/1796707455294070879cc4f36f4f5ffb [2019-11-25 08:48:22,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:22,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:22,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:22,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:22,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:22,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7c1545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22, skipping insertion in model container [2019-11-25 08:48:22,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:22,129 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:22,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:22,285 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:22,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:22,381 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:22,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22 WrapperNode [2019-11-25 08:48:22,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:22,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:22,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:22,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:22,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:22,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:22,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:22,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:22,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... [2019-11-25 08:48:22,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:22,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:22,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:22,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:22,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/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 [2019-11-25 08:48:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:48:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:22,684 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:22,684 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:48:22,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:22 BoogieIcfgContainer [2019-11-25 08:48:22,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:22,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:48:22,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:48:22,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:48:22,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:22" (1/3) ... [2019-11-25 08:48:22,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d95ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:22, skipping insertion in model container [2019-11-25 08:48:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:22" (2/3) ... [2019-11-25 08:48:22,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d95ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:22, skipping insertion in model container [2019-11-25 08:48:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:22" (3/3) ... [2019-11-25 08:48:22,693 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-25 08:48:22,701 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:48:22,707 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:48:22,723 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:48:22,752 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:48:22,752 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:48:22,752 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:48:22,753 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:22,753 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:22,753 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:48:22,753 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:22,753 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:48:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-25 08:48:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:48:22,778 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:22,779 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:22,779 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:22,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:22,785 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-25 08:48:22,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:22,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061019658] [2019-11-25 08:48:22,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:22,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061019658] [2019-11-25 08:48:22,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:22,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:48:22,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146661318] [2019-11-25 08:48:22,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:48:22,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:22,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:48:22,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:48:22,915 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-25 08:48:22,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:22,931 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-25 08:48:22,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:48:22,932 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-25 08:48:22,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:22,940 INFO L225 Difference]: With dead ends: 24 [2019-11-25 08:48:22,941 INFO L226 Difference]: Without dead ends: 10 [2019-11-25 08:48:22,943 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 [2019-11-25 08:48:22,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-25 08:48:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-25 08:48:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-25 08:48:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-25 08:48:22,972 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-25 08:48:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:22,973 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-25 08:48:22,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:48:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-25 08:48:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:48:22,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:22,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:22,974 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:22,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-25 08:48:22,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:22,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105765998] [2019-11-25 08:48:22,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:23,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105765998] [2019-11-25 08:48:23,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:23,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:23,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851132746] [2019-11-25 08:48:23,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:23,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:23,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:23,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:23,047 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-11-25 08:48:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:23,082 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-25 08:48:23,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:23,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-25 08:48:23,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:23,083 INFO L225 Difference]: With dead ends: 18 [2019-11-25 08:48:23,084 INFO L226 Difference]: Without dead ends: 12 [2019-11-25 08:48:23,084 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-25 08:48:23,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-25 08:48:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-25 08:48:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-25 08:48:23,088 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-25 08:48:23,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:23,088 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-25 08:48:23,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-25 08:48:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:48:23,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:23,089 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:23,089 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:23,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:23,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-25 08:48:23,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:23,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155412359] [2019-11-25 08:48:23,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:23,175 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.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-25 08:48:23,180 INFO L168 Benchmark]: Toolchain (without parser) took 1080.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:23,180 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:23,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:23,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.02 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. [2019-11-25 08:48:23,182 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:23,183 INFO L168 Benchmark]: RCFGBuilder took 252.62 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:23,184 INFO L168 Benchmark]: TraceAbstraction took 491.72 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:23,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.02 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 20.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 252.62 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 491.72 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: 28.2 MB). Peak memory consumption was 28.2 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 0.1.24-6b5699a [2019-11-25 08:48:25,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:25,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:25,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:25,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:25,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:25,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:25,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:25,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:25,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:25,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:25,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:25,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:25,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:25,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:25,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:25,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:25,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:25,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:25,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:25,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:25,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:25,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:25,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:25,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:25,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:25,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:25,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:25,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:25,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:25,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:25,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:25,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:25,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:25,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:25,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:25,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:25,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:25,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:25,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:25,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:25,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:48:25,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:25,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:25,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:25,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:25,130 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:25,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:25,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:25,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:25,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:25,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:25,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:25,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:25,132 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:48:25,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:48:25,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:48:25,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:25,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:25,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:25,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:25,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:25,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:25,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:25,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:25,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:25,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:25,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:25,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:25,138 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:48:25,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:48:25,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:25,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:48:25,140 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer 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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-25 08:48:25,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:25,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:25,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:25,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:25,449 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:25,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-11-25 08:48:25,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/dabc8cfa8/b5172e1658cf48058a104c61d470a36d/FLAGdf113436f [2019-11-25 08:48:25,936 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:25,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/sv-benchmarks/c/loops/nec40.c [2019-11-25 08:48:25,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/dabc8cfa8/b5172e1658cf48058a104c61d470a36d/FLAGdf113436f [2019-11-25 08:48:25,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/data/dabc8cfa8/b5172e1658cf48058a104c61d470a36d [2019-11-25 08:48:25,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:25,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:25,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:25,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:25,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:25,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:25" (1/1) ... [2019-11-25 08:48:25,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcbaa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:25, skipping insertion in model container [2019-11-25 08:48:25,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:25" (1/1) ... [2019-11-25 08:48:25,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:26,001 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:26,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:26,170 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:26,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:26,207 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:26,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26 WrapperNode [2019-11-25 08:48:26,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:26,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:26,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:26,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:26,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:26,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:26,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:26,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:26,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... [2019-11-25 08:48:26,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:26,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:26,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:26,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:26,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/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 [2019-11-25 08:48:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-25 08:48:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-25 08:48:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:26,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:26,613 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:48:26,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:26 BoogieIcfgContainer [2019-11-25 08:48:26,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:26,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:48:26,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:48:26,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:48:26,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:25" (1/3) ... [2019-11-25 08:48:26,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200be6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:26, skipping insertion in model container [2019-11-25 08:48:26,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:26" (2/3) ... [2019-11-25 08:48:26,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200be6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:26, skipping insertion in model container [2019-11-25 08:48:26,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:26" (3/3) ... [2019-11-25 08:48:26,621 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-25 08:48:26,630 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:48:26,636 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:48:26,646 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:48:26,665 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:48:26,666 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:48:26,666 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:48:26,666 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:26,666 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:26,666 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:48:26,666 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:26,667 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:48:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-25 08:48:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:48:26,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:26,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:26,683 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:26,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:26,688 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-25 08:48:26,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:48:26,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [728470549] [2019-11-25 08:48:26,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:26,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:48:26,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:26,799 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:48:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:26,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [728470549] [2019-11-25 08:48:26,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:26,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:48:26,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183620505] [2019-11-25 08:48:26,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:48:26,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:48:26,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:48:26,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:48:26,821 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-25 08:48:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:26,833 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-25 08:48:26,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:48:26,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-25 08:48:26,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:26,843 INFO L225 Difference]: With dead ends: 24 [2019-11-25 08:48:26,843 INFO L226 Difference]: Without dead ends: 10 [2019-11-25 08:48:26,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:48:26,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-25 08:48:26,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-25 08:48:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-25 08:48:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-25 08:48:26,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-25 08:48:26,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:26,874 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-25 08:48:26,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:48:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-25 08:48:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:48:26,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:26,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:27,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:27,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:27,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:27,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-25 08:48:27,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:48:27,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [48492000] [2019-11-25 08:48:27,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:27,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:48:27,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:27,186 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:48:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:27,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [48492000] [2019-11-25 08:48:27,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:27,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-25 08:48:27,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815113281] [2019-11-25 08:48:27,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:48:27,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:48:27,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:48:27,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:27,224 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2019-11-25 08:48:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:27,270 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-25 08:48:27,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:27,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-25 08:48:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:27,271 INFO L225 Difference]: With dead ends: 18 [2019-11-25 08:48:27,271 INFO L226 Difference]: Without dead ends: 12 [2019-11-25 08:48:27,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-25 08:48:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-25 08:48:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-25 08:48:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-25 08:48:27,277 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-25 08:48:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:27,278 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-25 08:48:27,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:48:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-25 08:48:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:48:27,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:27,280 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:27,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:27,483 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:27,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:27,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-25 08:48:27,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:48:27,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1503536158] [2019-11-25 08:48:27,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_996f7c2a-e93c-4288-9804-eb58ce53fc70/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:27,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:48:27,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:27,634 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2019-11-25 08:48:27,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-25 08:48:27,870 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:48:27,871 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const (_ BitVec 32)) 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.normalforms.UnfTransformer.convertApplicationTerm(UnfTransformer.java:85) 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.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:201) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplifyWithStatistics(SmtUtils.java:220) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:562) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-25 08:48:27,876 INFO L168 Benchmark]: Toolchain (without parser) took 1909.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,877 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:27,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,882 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,890 INFO L168 Benchmark]: RCFGBuilder took 301.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,890 INFO L168 Benchmark]: TraceAbstraction took 1258.16 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:27,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 301.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1258.16 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const (_ BitVec 32)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const (_ BitVec 32)): 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...