./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 0.1.24-678e011 [2019-11-20 11:29:54,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:29:54,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:29:54,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:29:54,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:29:54,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:29:54,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:29:54,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:29:54,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:29:54,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:29:54,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:29:54,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:29:54,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:29:54,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:29:54,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:29:54,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:29:54,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:29:54,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:29:54,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:29:54,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:29:54,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:29:54,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:29:54,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:29:54,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:29:54,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:29:54,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:29:54,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:29:54,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:29:54,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:29:54,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:29:54,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:29:54,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:29:54,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:29:54,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:29:54,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:29:54,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:29:54,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:29:54,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:29:54,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:29:54,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:29:54,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:29:54,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 11:29:54,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:29:54,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:29:54,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:29:54,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:29:54,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:29:54,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:29:54,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:29:54,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:29:54,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:29:54,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:29:54,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:29:54,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:29:54,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:29:54,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:29:54,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:29:54,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:29:54,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:29:54,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:29:54,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:29:54,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:29:54,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:29:54,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:29:54,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:29:54,425 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_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:29:54,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:29:54,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:29:54,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:29:54,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:29:54,612 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:29:54,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-20 11:29:54,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/fff5f2fa3/e84d153b0f7949be96122accfb4534b9/FLAGd7eb2eeb3 [2019-11-20 11:29:55,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:29:55,054 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-20 11:29:55,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/fff5f2fa3/e84d153b0f7949be96122accfb4534b9/FLAGd7eb2eeb3 [2019-11-20 11:29:55,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/fff5f2fa3/e84d153b0f7949be96122accfb4534b9 [2019-11-20 11:29:55,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:29:55,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:29:55,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:29:55,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:29:55,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:29:55,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbded58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55, skipping insertion in model container [2019-11-20 11:29:55,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:29:55,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:29:55,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:29:55,415 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:29:55,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:29:55,470 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:29:55,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55 WrapperNode [2019-11-20 11:29:55,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:29:55,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:29:55,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:29:55,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:29:55,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:29:55,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:29:55,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:29:55,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:29:55,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... [2019-11-20 11:29:55,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:29:55,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:29:55,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:29:55,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:29:55,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:29:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:29:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:29:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 11:29:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 11:29:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:29:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:29:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:29:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 11:29:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:29:56,155 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:29:56,156 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 11:29:56,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:56 BoogieIcfgContainer [2019-11-20 11:29:56,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:29:56,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:29:56,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:29:56,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:29:56,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:29:55" (1/3) ... [2019-11-20 11:29:56,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262a0f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:56, skipping insertion in model container [2019-11-20 11:29:56,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:55" (2/3) ... [2019-11-20 11:29:56,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262a0f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:56, skipping insertion in model container [2019-11-20 11:29:56,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:56" (3/3) ... [2019-11-20 11:29:56,163 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-20 11:29:56,172 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:29:56,178 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:29:56,188 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:29:56,209 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:29:56,209 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:29:56,209 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:29:56,210 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:29:56,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:29:56,210 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:29:56,210 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:29:56,210 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:29:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-20 11:29:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 11:29:56,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:29:56,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:29:56,240 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:29:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:29:56,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-20 11:29:56,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:29:56,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042267982] [2019-11-20 11:29:56,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:29:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:29:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:29:56,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042267982] [2019-11-20 11:29:56,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:29:56,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:29:56,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056032723] [2019-11-20 11:29:56,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 11:29:56,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:29:56,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 11:29:56,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:29:56,430 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-20 11:29:56,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:29:56,454 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-20 11:29:56,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 11:29:56,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-20 11:29:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:29:56,463 INFO L225 Difference]: With dead ends: 84 [2019-11-20 11:29:56,463 INFO L226 Difference]: Without dead ends: 40 [2019-11-20 11:29:56,466 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 [2019-11-20 11:29:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-20 11:29:56,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-20 11:29:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-20 11:29:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-20 11:29:56,497 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-20 11:29:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:29:56,497 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-20 11:29:56,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 11:29:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-20 11:29:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:29:56,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:29:56,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:29:56,499 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:29:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:29:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-20 11:29:56,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:29:56,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857550679] [2019-11-20 11:29:56,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:29:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:29:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:29:56,707 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:29:56,707 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 11:29:56,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:29:56 BoogieIcfgContainer [2019-11-20 11:29:56,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:29:56,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:29:56,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:29:56,746 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:29:56,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:56" (3/4) ... [2019-11-20 11:29:56,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 11:29:56,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:29:56,752 INFO L168 Benchmark]: Toolchain (without parser) took 1676.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.5 MB in the beginning and 1.0 GB in the end (delta: -91.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:29:56,752 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:29:56,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:29:56,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.05 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. [2019-11-20 11:29:56,754 INFO L168 Benchmark]: Boogie Preprocessor took 34.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:29:56,755 INFO L168 Benchmark]: RCFGBuilder took 607.20 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:29:56,755 INFO L168 Benchmark]: TraceAbstraction took 588.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-20 11:29:56,756 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:29:56,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.05 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 34.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 607.20 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 588.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 0.1.24-678e011 [2019-11-20 11:29:58,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:29:58,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:29:58,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:29:58,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:29:58,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:29:58,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:29:58,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:29:58,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:29:58,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:29:58,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:29:58,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:29:58,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:29:58,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:29:58,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:29:58,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:29:58,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:29:58,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:29:58,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:29:58,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:29:58,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:29:58,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:29:58,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:29:58,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:29:58,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:29:58,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:29:58,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:29:58,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:29:58,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:29:58,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:29:58,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:29:58,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:29:58,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:29:58,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:29:58,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:29:58,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:29:58,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:29:58,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:29:58,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:29:58,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:29:58,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:29:58,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 11:29:58,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:29:58,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:29:58,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:29:58,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:29:58,707 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:29:58,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:29:58,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:29:58,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:29:58,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:29:58,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:29:58,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:29:58,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:29:58,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:29:58,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:29:58,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:29:58,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:29:58,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:29:58,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:29:58,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:29:58,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:29:58,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:29:58,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:29:58,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:29:58,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:29:58,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:29:58,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:29:58,714 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 11:29:58,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:29:58,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:29:58,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:29:58,715 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_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:29:58,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:29:58,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:29:58,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:29:58,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:29:58,988 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:29:58,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-20 11:29:59,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/7ed6d3506/7abeefe2d7eb41289953013b00bfa081/FLAG1d1c5be18 [2019-11-20 11:29:59,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:29:59,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2019-11-20 11:29:59,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/7ed6d3506/7abeefe2d7eb41289953013b00bfa081/FLAG1d1c5be18 [2019-11-20 11:29:59,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/bin/uautomizer/data/7ed6d3506/7abeefe2d7eb41289953013b00bfa081 [2019-11-20 11:29:59,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:29:59,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:29:59,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:29:59,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:29:59,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:29:59,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d78f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59, skipping insertion in model container [2019-11-20 11:29:59,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,520 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:29:59,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:29:59,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:29:59,716 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:29:59,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:29:59,862 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:29:59,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59 WrapperNode [2019-11-20 11:29:59,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:29:59,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:29:59,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:29:59,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:29:59,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:29:59,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:29:59,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:29:59,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:29:59,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... [2019-11-20 11:29:59,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:29:59,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:29:59,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:29:59,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:29:59,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:30:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 11:30:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 11:30:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:30:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-20 11:30:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 11:30:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:30:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:30:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 11:30:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:30:11,431 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:30:11,431 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 11:30:11,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:30:11 BoogieIcfgContainer [2019-11-20 11:30:11,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:30:11,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:30:11,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:30:11,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:30:11,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:29:59" (1/3) ... [2019-11-20 11:30:11,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9cc818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:30:11, skipping insertion in model container [2019-11-20 11:30:11,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:59" (2/3) ... [2019-11-20 11:30:11,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9cc818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:30:11, skipping insertion in model container [2019-11-20 11:30:11,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:30:11" (3/3) ... [2019-11-20 11:30:11,439 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2019-11-20 11:30:11,447 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:30:11,451 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:30:11,460 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:30:11,479 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:30:11,479 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:30:11,480 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:30:11,480 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:30:11,480 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:30:11,480 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:30:11,481 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:30:11,481 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:30:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-11-20 11:30:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 11:30:11,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:30:11,500 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:30:11,500 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:30:11,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:30:11,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2019-11-20 11:30:11,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:30:11,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115536035] [2019-11-20 11:30:11,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:30:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:30:11,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 11:30:11,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:30:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:11,955 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:30:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:11,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115536035] [2019-11-20 11:30:11,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:30:11,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 11:30:11,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826839739] [2019-11-20 11:30:11,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 11:30:11,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:30:11,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 11:30:11,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:30:11,981 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-11-20 11:30:11,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:30:11,999 INFO L93 Difference]: Finished difference Result 84 states and 136 transitions. [2019-11-20 11:30:11,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 11:30:12,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-20 11:30:12,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:30:12,012 INFO L225 Difference]: With dead ends: 84 [2019-11-20 11:30:12,012 INFO L226 Difference]: Without dead ends: 40 [2019-11-20 11:30:12,015 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 [2019-11-20 11:30:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-20 11:30:12,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-20 11:30:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-20 11:30:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2019-11-20 11:30:12,048 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2019-11-20 11:30:12,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:30:12,049 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2019-11-20 11:30:12,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 11:30:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2019-11-20 11:30:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:30:12,050 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:30:12,050 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:30:12,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 11:30:12,266 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:30:12,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:30:12,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1188959094, now seen corresponding path program 1 times [2019-11-20 11:30:12,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:30:12,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322689560] [2019-11-20 11:30:12,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:30:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:30:12,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:30:12,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:30:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:12,716 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:30:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:12,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322689560] [2019-11-20 11:30:12,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:30:12,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-20 11:30:12,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444576950] [2019-11-20 11:30:12,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 11:30:12,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:30:12,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 11:30:12,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 11:30:12,788 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 7 states. [2019-11-20 11:30:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:30:12,898 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2019-11-20 11:30:12,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 11:30:12,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-20 11:30:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:30:12,899 INFO L225 Difference]: With dead ends: 48 [2019-11-20 11:30:12,899 INFO L226 Difference]: Without dead ends: 20 [2019-11-20 11:30:12,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 11:30:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-20 11:30:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 11:30:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 11:30:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-20 11:30:12,905 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-11-20 11:30:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:30:12,905 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-20 11:30:12,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 11:30:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-20 11:30:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:30:12,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:30:12,907 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:30:13,125 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 11:30:13,125 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:30:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:30:13,125 INFO L82 PathProgramCache]: Analyzing trace with hash 968811170, now seen corresponding path program 1 times [2019-11-20 11:30:13,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:30:13,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683641] [2019-11-20 11:30:13,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:30:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:30:13,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 11:30:13,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:30:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:13,435 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:30:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:30:13,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683641] [2019-11-20 11:30:13,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:30:13,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 11:30:13,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589469250] [2019-11-20 11:30:13,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 11:30:13,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:30:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 11:30:13,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-20 11:30:13,579 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-20 11:30:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:30:13,729 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-20 11:30:13,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 11:30:13,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-20 11:30:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:30:13,732 INFO L225 Difference]: With dead ends: 28 [2019-11-20 11:30:13,732 INFO L226 Difference]: Without dead ends: 20 [2019-11-20 11:30:13,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-20 11:30:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-20 11:30:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 11:30:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 11:30:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-20 11:30:13,739 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-11-20 11:30:13,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:30:13,740 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-20 11:30:13,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 11:30:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-20 11:30:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:30:13,742 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:30:13,742 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:30:13,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 11:30:13,943 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:30:13,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:30:13,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2079354756, now seen corresponding path program 1 times [2019-11-20 11:30:13,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:30:13,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125349410] [2019-11-20 11:30:13,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec5d167b-fd5f-4a05-bb56-e7a8c206aceb/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 [2019-11-20 11:30:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:30:14,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 11:30:14,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:30:14,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 11:30:14,302 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 [2019-11-20 11:30:14,320 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 [2019-11-20 11:30:14,320 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 11:30:14,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 11:30:14,339 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 11:30:14,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 11:30:14,365 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-20 11:30:14,365 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:67, output treesize:42 [2019-11-20 11:30:14,606 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-20 11:30:14,607 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 11:30:14,607 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 [2019-11-20 11:30:14,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 11:30:14,827 INFO L392 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 3=[v_arrayElimCell_3]} [2019-11-20 11:30:15,035 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 11:30:15,035 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) [2019-11-20 11:30:15,039 INFO L168 Benchmark]: Toolchain (without parser) took 15532.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 955.1 MB in the beginning and 855.1 MB in the end (delta: 100.0 MB). Peak memory consumption was 252.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:30:15,040 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-20 11:30:15,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:30:15,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.62 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. [2019-11-20 11:30:15,041 INFO L168 Benchmark]: Boogie Preprocessor took 44.19 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:30:15,042 INFO L168 Benchmark]: RCFGBuilder took 11469.89 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:30:15,042 INFO L168 Benchmark]: TraceAbstraction took 3604.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.1 MB in the end (delta: 237.5 MB). Peak memory consumption was 237.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:30:15,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 355.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.62 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 44.19 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11469.89 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3604.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.1 MB in the end (delta: 237.5 MB). Peak memory consumption was 237.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...