./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.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_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/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 97ac2503801a101f5a44ae44e4a77e81fa872959 ..................................................................................................................................................................................................................................................................... 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_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/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 97ac2503801a101f5a44ae44e4a77e81fa872959 .................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:12:33,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:12:33,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:12:33,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:12:33,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:12:33,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:12:33,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:12:33,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:12:33,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:12:33,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:12:33,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:12:33,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:12:33,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:12:33,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:12:33,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:12:33,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:12:33,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:12:33,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:12:33,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:12:33,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:12:33,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:12:33,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:12:33,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:12:33,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:12:33,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:12:33,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:12:33,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:12:33,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:12:33,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:12:33,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:12:33,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:12:33,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:12:33,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:12:33,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:12:33,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:12:33,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:12:33,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:12:33,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:12:33,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:12:33,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:12:33,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:12:33,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:12:33,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:12:33,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:12:33,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:12:33,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:12:33,937 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:12:33,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:12:33,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:12:33,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:12:33,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:12:33,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:12:33,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:12:33,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:12:33,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:12:33,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:12:33,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:12:33,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:12:33,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:12:33,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:12:33,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:12:33,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:12:33,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:12:33,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:12:33,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:12:33,941 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_69f75278-f6db-48c0-9188-3dc795e92ad6/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 -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2019-11-20 02:12:34,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:12:34,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:12:34,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:12:34,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:12:34,084 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:12:34,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:34,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/e9d5dec42/b202a2ae294d478f98cd77dfa1a06515/FLAG93809fe78 [2019-11-20 02:12:34,518 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:12:34,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:34,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/e9d5dec42/b202a2ae294d478f98cd77dfa1a06515/FLAG93809fe78 [2019-11-20 02:12:34,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/e9d5dec42/b202a2ae294d478f98cd77dfa1a06515 [2019-11-20 02:12:34,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:12:34,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:12:34,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:12:34,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:12:34,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:12:34,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:12:34" (1/1) ... [2019-11-20 02:12:34,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b17be4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:34, skipping insertion in model container [2019-11-20 02:12:34,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:12:34" (1/1) ... [2019-11-20 02:12:34,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:12:34,957 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:12:35,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:12:35,105 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:12:35,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:12:35,208 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:12:35,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35 WrapperNode [2019-11-20 02:12:35,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:12:35,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:12:35,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:12:35,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:12:35,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:12:35,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:12:35,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:12:35,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:12:35,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... [2019-11-20 02:12:35,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:12:35,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:12:35,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:12:35,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:12:35,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/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 02:12:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:12:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 02:12:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:12:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 02:12:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:12:35,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:12:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:12:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:12:35,615 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:12:35,615 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:12:35,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:12:35 BoogieIcfgContainer [2019-11-20 02:12:35,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:12:35,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:12:35,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:12:35,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:12:35,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:12:34" (1/3) ... [2019-11-20 02:12:35,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0ece95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:12:35, skipping insertion in model container [2019-11-20 02:12:35,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:35" (2/3) ... [2019-11-20 02:12:35,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0ece95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:12:35, skipping insertion in model container [2019-11-20 02:12:35,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:12:35" (3/3) ... [2019-11-20 02:12:35,623 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:35,631 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:12:35,636 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:12:35,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:12:35,661 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:12:35,661 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:12:35,661 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:12:35,661 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:12:35,661 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:12:35,661 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:12:35,662 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:12:35,662 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:12:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-20 02:12:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:12:35,679 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:12:35,680 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:12:35,680 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:12:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:12:35,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2137295023, now seen corresponding path program 1 times [2019-11-20 02:12:35,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:12:35,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203692623] [2019-11-20 02:12:35,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:12:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:12:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:12:35,824 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:12:35,824 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:12:35,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:12:35 BoogieIcfgContainer [2019-11-20 02:12:35,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:12:35,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:12:35,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:12:35,851 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:12:35,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:12:35" (3/4) ... [2019-11-20 02:12:35,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:12:35,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:12:35,857 INFO L168 Benchmark]: Toolchain (without parser) took 929.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:12:35,858 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:12:35,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:35,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.08 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 02:12:35,859 INFO L168 Benchmark]: Boogie Preprocessor took 23.24 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 02:12:35,860 INFO L168 Benchmark]: RCFGBuilder took 347.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:35,861 INFO L168 Benchmark]: TraceAbstraction took 233.34 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:35,861 INFO L168 Benchmark]: Witness Printer took 4.08 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 02:12:35,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.08 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 23.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 347.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 233.34 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.08 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 54]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L1] int __return_main; [L12] float __return_72; [L13] int __return_87; VAL [__return_72=0, __return_87=0, __return_main=0] [L16] float main__a; [L17] float main__r; [L18] main__a = __VERIFIER_nondet_float() [L19] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L20] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L22] COND TRUE main__a <= 100.0 [L24] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main____CPAchecker_TMP_0 != 0 [L28] float __tmp_1; [L29] __tmp_1 = main__a [L30] float InvSqrt__x; [L31] InvSqrt__x = __tmp_1 [L32] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L33] union float_int InvSqrt__i; [L34] InvSqrt__i.f = InvSqrt__x [L35] EXPR InvSqrt__i.i [L35] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L36] EXPR InvSqrt__i.f [L36] InvSqrt__x = InvSqrt__i.f [L37] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L38] __return_72 = InvSqrt__x [L39] main__r = __return_72 [L40] int main____CPAchecker_TMP_1; VAL [__return_72=6, __return_87=0, __return_main=0] [L41] COND FALSE !(main__r >= 0.0) VAL [__return_72=6, __return_87=0, __return_main=0] [L67] main____CPAchecker_TMP_1 = 0 VAL [__return_72=6, __return_87=0, __return_main=0] [L48] int __tmp_2; [L49] __tmp_2 = main____CPAchecker_TMP_1 [L50] int __VERIFIER_assert__cond; [L51] __VERIFIER_assert__cond = __tmp_2 VAL [__return_72=6, __return_87=0, __return_main=0] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_72=6, __return_87=0, __return_main=0] [L54] __VERIFIER_error() VAL [__return_72=6, __return_87=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 02:12:37,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:12:37,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:12:37,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:12:37,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:12:37,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:12:37,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:12:37,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:12:37,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:12:37,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:12:37,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:12:37,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:12:37,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:12:37,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:12:37,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:12:37,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:12:37,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:12:37,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:12:37,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:12:37,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:12:37,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:12:37,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:12:37,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:12:37,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:12:37,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:12:37,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:12:37,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:12:37,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:12:37,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:12:37,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:12:37,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:12:37,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:12:37,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:12:37,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:12:37,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:12:37,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:12:37,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:12:37,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:12:37,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:12:37,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:12:37,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:12:37,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 02:12:37,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:12:37,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:12:37,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:12:37,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:12:37,840 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:12:37,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:12:37,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:12:37,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:12:37,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:12:37,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:12:37,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:12:37,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:12:37,842 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:12:37,843 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:12:37,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:12:37,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:12:37,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:12:37,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:12:37,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:12:37,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:12:37,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:12:37,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:12:37,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:12:37,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:12:37,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:12:37,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:12:37,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:12:37,846 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:12:37,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:12:37,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:12:37,848 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_69f75278-f6db-48c0-9188-3dc795e92ad6/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 -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2019-11-20 02:12:38,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:12:38,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:12:38,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:12:38,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:12:38,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:12:38,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:38,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/a31659fb0/267d00693919460bb411b88fdeed3f2c/FLAGa9bf2bad1 [2019-11-20 02:12:38,542 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:12:38,542 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:38,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/a31659fb0/267d00693919460bb411b88fdeed3f2c/FLAGa9bf2bad1 [2019-11-20 02:12:38,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/bin/uautomizer/data/a31659fb0/267d00693919460bb411b88fdeed3f2c [2019-11-20 02:12:38,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:12:38,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:12:38,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:12:38,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:12:38,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:12:38,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:12:38" (1/1) ... [2019-11-20 02:12:38,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33addb18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:38, skipping insertion in model container [2019-11-20 02:12:38,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:12:38" (1/1) ... [2019-11-20 02:12:38,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:12:38,974 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:12:39,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:12:39,179 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:12:39,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:12:39,243 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:12:39,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39 WrapperNode [2019-11-20 02:12:39,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:12:39,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:12:39,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:12:39,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:12:39,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:12:39,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:12:39,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:12:39,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:12:39,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... [2019-11-20 02:12:39,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:12:39,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:12:39,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:12:39,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:12:39,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/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 02:12:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:12:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 02:12:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 02:12:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:12:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:12:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 02:12:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:12:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 02:12:42,059 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:12:42,059 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:12:42,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:12:42 BoogieIcfgContainer [2019-11-20 02:12:42,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:12:42,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:12:42,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:12:42,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:12:42,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:12:38" (1/3) ... [2019-11-20 02:12:42,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730dd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:12:42, skipping insertion in model container [2019-11-20 02:12:42,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:12:39" (2/3) ... [2019-11-20 02:12:42,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730dd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:12:42, skipping insertion in model container [2019-11-20 02:12:42,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:12:42" (3/3) ... [2019-11-20 02:12:42,066 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-20 02:12:42,073 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:12:42,078 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:12:42,086 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:12:42,104 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:12:42,104 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:12:42,105 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:12:42,105 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:12:42,105 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:12:42,105 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:12:42,105 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:12:42,105 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:12:42,116 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-20 02:12:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:12:42,121 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:12:42,121 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:12:42,122 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:12:42,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:12:42,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2137295023, now seen corresponding path program 1 times [2019-11-20 02:12:42,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:12:42,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890050523] [2019-11-20 02:12:42,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69f75278-f6db-48c0-9188-3dc795e92ad6/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 02:12:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:44,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:12:44,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:12:44,853 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 02:12:45,141 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-11-20 02:12:47,268 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_ULTIMATE.start_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2019-11-20 02:12:49,348 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_ULTIMATE.start_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2019-11-20 02:12:55,705 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2019-11-20 02:12:57,806 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2019-11-20 02:13:10,514 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 02:13:10,514 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:13:13,270 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) is different from false [2019-11-20 02:13:15,408 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) is different from true [2019-11-20 02:13:18,221 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0) ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))) is different from false [2019-11-20 02:13:20,353 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0) ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))) is different from true [2019-11-20 02:13:26,746 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (or (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))) (not (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))))))) is different from false [2019-11-20 02:13:28,885 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (or (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))) (not (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))))))) is different from true [2019-11-20 02:13:33,130 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 02:13:33,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890050523] [2019-11-20 02:13:33,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:13:33,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-11-20 02:13:33,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998655357] [2019-11-20 02:13:33,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 02:13:33,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:13:33,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 02:13:33,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=12, Unknown=10, NotChecked=50, Total=90 [2019-11-20 02:13:33,147 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 10 states. [2019-11-20 02:13:35,326 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse1) .cse1))))))) (_ +zero 11 53)))) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from true [2019-11-20 02:13:41,640 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-20 02:13:41,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 02:13:41,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 02:13:41,842 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:698) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:627) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:454) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 44 more [2019-11-20 02:13:41,846 INFO L168 Benchmark]: Toolchain (without parser) took 62904.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:13:41,847 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:13:41,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:13:41,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -203.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:13:41,849 INFO L168 Benchmark]: Boogie Preprocessor took 27.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:13:41,849 INFO L168 Benchmark]: RCFGBuilder took 2699.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:13:41,850 INFO L168 Benchmark]: TraceAbstraction took 59784.26 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:13:41,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -203.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2699.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 59784.26 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...