./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 34004772e6a1e54917776a817538fd6c8fd28f94 .............................................................................................................................................................................................................................................................................................................................. 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_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 34004772e6a1e54917776a817538fd6c8fd28f94 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:21,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:21,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:21,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:21,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:21,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:21,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:21,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:21,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:21,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:21,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:21,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:21,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:21,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:21,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:21,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:21,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:21,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:21,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:21,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:21,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:21,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:21,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:21,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:21,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:21,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:21,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:21,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:21,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:21,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:21,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:21,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:21,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:21,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:21,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:21,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:21,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:21,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:21,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:21,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:21,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:21,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:51:21,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:21,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:21,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:21,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:21,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:21,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:21,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:21,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:21,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:21,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:21,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:21,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:21,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:21,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:21,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:21,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:21,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:21,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:21,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:21,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:21,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:21,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:21,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:21,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:21,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:21,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:21,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:51:21,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:21,436 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_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-25 08:51:21,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:21,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:21,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:21,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:21,624 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:21,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-25 08:51:21,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/ac452142b/13677b3c162e43e496a8b13e8e5b0b67/FLAGe18cf4178 [2019-11-25 08:51:22,055 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:22,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-25 08:51:22,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/ac452142b/13677b3c162e43e496a8b13e8e5b0b67/FLAGe18cf4178 [2019-11-25 08:51:22,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/ac452142b/13677b3c162e43e496a8b13e8e5b0b67 [2019-11-25 08:51:22,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:22,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:22,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:22,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:22,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:22,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266c0f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22, skipping insertion in model container [2019-11-25 08:51:22,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:22,468 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:22,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:22,833 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:22,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:22,922 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:22,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22 WrapperNode [2019-11-25 08:51:22,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:22,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:22,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:22,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:22,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:22,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:22,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:22,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:22,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:22,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:23,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... [2019-11-25 08:51:23,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:23,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:23,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:23,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:23,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 08:51:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:51:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:51:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:51:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:51:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-25 08:51:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:23,532 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:23,532 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-25 08:51:23,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:23 BoogieIcfgContainer [2019-11-25 08:51:23,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:23,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:23,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:23,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:23,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:22" (1/3) ... [2019-11-25 08:51:23,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:23, skipping insertion in model container [2019-11-25 08:51:23,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:22" (2/3) ... [2019-11-25 08:51:23,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:23, skipping insertion in model container [2019-11-25 08:51:23,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:23" (3/3) ... [2019-11-25 08:51:23,541 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-25 08:51:23,550 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:23,556 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:51:23,565 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:51:23,590 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:23,590 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:23,590 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:23,590 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:23,590 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:23,591 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:23,591 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:23,591 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-25 08:51:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:51:23,610 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:23,611 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:23,611 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:23,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-25 08:51:23,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:23,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587033368] [2019-11-25 08:51:23,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:23,794 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 08:51:23,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587033368] [2019-11-25 08:51:23,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:23,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:51:23,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351854494] [2019-11-25 08:51:23,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:51:23,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:23,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:51:23,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:23,813 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-25 08:51:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:23,833 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-25 08:51:23,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:51:23,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-25 08:51:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:23,844 INFO L225 Difference]: With dead ends: 84 [2019-11-25 08:51:23,844 INFO L226 Difference]: Without dead ends: 40 [2019-11-25 08:51:23,847 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 08:51:23,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-25 08:51:23,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-25 08:51:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-25 08:51:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-25 08:51:23,883 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-25 08:51:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:23,883 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-25 08:51:23,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:51:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-25 08:51:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:23,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:23,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:23,885 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:23,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:23,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-25 08:51:23,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:23,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458150334] [2019-11-25 08:51:23,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:24,116 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:24,117 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:51:24,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:24 BoogieIcfgContainer [2019-11-25 08:51:24,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:24,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:24,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:24,191 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:24,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:23" (3/4) ... [2019-11-25 08:51:24,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:51:24,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:24,198 INFO L168 Benchmark]: Toolchain (without parser) took 1776.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,199 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:24,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.07 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,202 INFO L168 Benchmark]: Boogie Preprocessor took 36.90 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,203 INFO L168 Benchmark]: RCFGBuilder took 527.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,203 INFO L168 Benchmark]: TraceAbstraction took 655.35 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:24,204 INFO L168 Benchmark]: Witness Printer took 5.69 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 08:51:24,213 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.07 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.90 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 527.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 655.35 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] double res = __ieee754_exp(x); [L133] __int32_t hx, lx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:26,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:26,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:26,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:26,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:26,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:26,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:26,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:26,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:26,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:26,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:26,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:26,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:26,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:26,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:26,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:26,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:26,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:26,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:26,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:26,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:26,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:26,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:26,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:26,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:26,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:26,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:26,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:26,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:26,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:26,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:26,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:26,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:26,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:26,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:26,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:26,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:26,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:26,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:26,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:26,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:26,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:51:26,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:26,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:26,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:26,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:26,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:26,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:26,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:26,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:26,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:26,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:26,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:26,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:26,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:26,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:26,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:26,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:26,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:26,440 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:51:26,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:51:26,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:26,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:51:26,441 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_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2019-11-25 08:51:26,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:26,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:26,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:26,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:26,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:26,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-25 08:51:26,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/a9d01aaff/66ab099d3c4342cca5dd71021f51cef4/FLAG04c085cdc [2019-11-25 08:51:27,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:27,277 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-25 08:51:27,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/a9d01aaff/66ab099d3c4342cca5dd71021f51cef4/FLAG04c085cdc [2019-11-25 08:51:27,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/data/a9d01aaff/66ab099d3c4342cca5dd71021f51cef4 [2019-11-25 08:51:27,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:27,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:27,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:27,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:27,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:27,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3975aeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27, skipping insertion in model container [2019-11-25 08:51:27,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:27,670 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:27,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:27,863 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:27,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:28,015 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:28,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28 WrapperNode [2019-11-25 08:51:28,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:28,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:28,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:28,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:28,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:28,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:28,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:28,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:28,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... [2019-11-25 08:51:28,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:28,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:28,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:28,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:28,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/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 08:51:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:51:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:51:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-25 08:51:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:51:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:51:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:41,140 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:41,140 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-25 08:51:41,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:41 BoogieIcfgContainer [2019-11-25 08:51:41,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:41,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:41,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:41,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:41,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:27" (1/3) ... [2019-11-25 08:51:41,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3141fab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:41, skipping insertion in model container [2019-11-25 08:51:41,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:28" (2/3) ... [2019-11-25 08:51:41,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3141fab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:41, skipping insertion in model container [2019-11-25 08:51:41,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:41" (3/3) ... [2019-11-25 08:51:41,149 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-25 08:51:41,156 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:41,164 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:51:41,175 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:51:41,200 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:41,200 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:41,200 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:41,200 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:41,200 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:41,201 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:41,201 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:41,201 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-25 08:51:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:51:41,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:41,219 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:41,219 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:41,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:41,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-25 08:51:41,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:41,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025548016] [2019-11-25 08:51:41,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/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 [2019-11-25 08:51:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:41,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:51:41,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:41,734 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 08:51:41,734 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:41,739 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 08:51:41,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025548016] [2019-11-25 08:51:41,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:41,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:51:41,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185411445] [2019-11-25 08:51:41,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:51:41,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:41,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:51:41,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:41,766 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-25 08:51:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:41,790 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-25 08:51:41,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:51:41,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-25 08:51:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:41,810 INFO L225 Difference]: With dead ends: 84 [2019-11-25 08:51:41,810 INFO L226 Difference]: Without dead ends: 40 [2019-11-25 08:51:41,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:51:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-25 08:51:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-25 08:51:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-25 08:51:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-25 08:51:41,856 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-25 08:51:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:41,856 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-25 08:51:41,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:51:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-25 08:51:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:51:41,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:41,858 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:42,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:51:42,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:42,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:42,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-25 08:51:42,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:42,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922809749] [2019-11-25 08:51:42,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/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 [2019-11-25 08:51:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:42,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:51:42,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:42,767 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 08:51:42,768 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:42,904 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 08:51:42,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922809749] [2019-11-25 08:51:42,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:42,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-25 08:51:42,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881633689] [2019-11-25 08:51:42,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:51:42,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:42,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:51:42,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:42,908 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2019-11-25 08:51:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:43,162 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2019-11-25 08:51:43,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:43,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-25 08:51:43,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:43,167 INFO L225 Difference]: With dead ends: 48 [2019-11-25 08:51:43,167 INFO L226 Difference]: Without dead ends: 20 [2019-11-25 08:51:43,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-25 08:51:43,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-25 08:51:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:51:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-25 08:51:43,174 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-11-25 08:51:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:43,175 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-25 08:51:43,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:51:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-25 08:51:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 08:51:43,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:43,183 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:43,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:51:43,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2019-11-25 08:51:43,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:43,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362522924] [2019-11-25 08:51:43,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/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 [2019-11-25 08:51:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:43,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:51:43,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:43,915 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 08:51:43,915 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:51:44,137 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 08:51:44,138 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362522924] [2019-11-25 08:51:44,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:44,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-25 08:51:44,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678549478] [2019-11-25 08:51:44,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:51:44,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:51:44,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:44,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:44,140 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-25 08:51:44,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:44,406 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-25 08:51:44,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:51:44,408 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-25 08:51:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:44,409 INFO L225 Difference]: With dead ends: 28 [2019-11-25 08:51:44,409 INFO L226 Difference]: Without dead ends: 20 [2019-11-25 08:51:44,410 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:51:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-25 08:51:44,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-25 08:51:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:51:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-25 08:51:44,415 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-11-25 08:51:44,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:44,415 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-25 08:51:44,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:51:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-25 08:51:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:51:44,416 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:44,417 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:44,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:51:44,622 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:44,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:44,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2019-11-25 08:51:44,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:51:44,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541848773] [2019-11-25 08:51:44,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_105321c6-e35e-4d84-a994-5a4352f8a3e5/bin/uautomizer/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 [2019-11-25 08:51:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:44,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-25 08:51:44,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:45,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:51:45,046 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2019-11-25 08:51:45,078 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-25 08:51:45,079 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:51:45,092 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:51:45,093 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:51:45,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:51:45,136 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-25 08:51:45,137 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:67, output treesize:42 [2019-11-25 08:51:45,487 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-25 08:51:45,488 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:51:45,489 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 191 [2019-11-25 08:51:45,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,518 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,595 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:51:45,771 INFO L392 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 3=[v_arrayElimCell_3]} [2019-11-25 08:51:45,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 08:51:45,994 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) 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 08:51:46,000 INFO L168 Benchmark]: Toolchain (without parser) took 18381.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.1 MB in the beginning and 865.2 MB in the end (delta: 89.9 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:46,001 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 08:51:46,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:46,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.16 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 08:51:46,018 INFO L168 Benchmark]: Boogie Preprocessor took 49.28 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. [2019-11-25 08:51:46,018 INFO L168 Benchmark]: RCFGBuilder took 13017.85 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:46,019 INFO L168 Benchmark]: TraceAbstraction took 4855.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.2 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:46,022 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 394.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.16 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 49.28 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. * RCFGBuilder took 13017.85 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4855.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.2 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...