./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d8de9a3f47b00df6084aa30a2af1678ed452538 ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d8de9a3f47b00df6084aa30a2af1678ed452538 ................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 19:01:48,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:01:48,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:01:49,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:01:49,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:01:49,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:01:49,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:01:49,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:01:49,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:01:49,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:01:49,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:01:49,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:01:49,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:01:49,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:01:49,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:01:49,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:01:49,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:01:49,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:01:49,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:01:49,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:01:49,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:01:49,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:01:49,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:01:49,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:01:49,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:01:49,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:01:49,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:01:49,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:01:49,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:01:49,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:01:49,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:01:49,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:01:49,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:01:49,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:01:49,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:01:49,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:01:49,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:01:49,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:01:49,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:01:49,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:01:49,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:01:49,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 19:01:49,106 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:01:49,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:01:49,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:01:49,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:01:49,108 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:01:49,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:01:49,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:01:49,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 19:01:49,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:01:49,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:01:49,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:01:49,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:01:49,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:01:49,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:01:49,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:01:49,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:01:49,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:01:49,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:01:49,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:01:49,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:01:49,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:01:49,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:01:49,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:01:49,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:01:49,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:01:49,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 19:01:49,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 19:01:49,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:01:49,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:01:49,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d8de9a3f47b00df6084aa30a2af1678ed452538 [2020-12-02 19:01:49,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:01:49,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:01:49,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:01:49,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:01:49,539 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:01:49,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2020-12-02 19:01:49,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780d8bd3a/3d0a597ea6d246dc8286885f89f8bbb1/FLAG80889277f [2020-12-02 19:01:50,225 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:01:50,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2020-12-02 19:01:50,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780d8bd3a/3d0a597ea6d246dc8286885f89f8bbb1/FLAG80889277f [2020-12-02 19:01:50,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780d8bd3a/3d0a597ea6d246dc8286885f89f8bbb1 [2020-12-02 19:01:50,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:01:50,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:01:50,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:01:50,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:01:50,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:01:50,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1814deca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50, skipping insertion in model container [2020-12-02 19:01:50,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,641 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:01:50,661 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:01:50,867 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2020-12-02 19:01:50,873 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:01:50,883 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 19:01:50,910 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2020-12-02 19:01:50,913 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:01:50,931 INFO L217 MainTranslator]: Completed translation [2020-12-02 19:01:50,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50 WrapperNode [2020-12-02 19:01:50,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 19:01:50,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 19:01:50,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 19:01:50,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 19:01:50,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 19:01:50,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 19:01:50,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 19:01:50,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 19:01:50,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:50,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:51,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:51,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:51,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... [2020-12-02 19:01:51,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 19:01:51,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 19:01:51,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 19:01:51,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 19:01:51,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:01:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 19:01:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 19:01:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 19:01:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 19:01:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 19:01:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 19:01:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 19:01:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 19:01:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 19:01:51,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 19:01:51,394 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 19:01:51,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:51 BoogieIcfgContainer [2020-12-02 19:01:51,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 19:01:51,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 19:01:51,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 19:01:51,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 19:01:51,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:01:50" (1/3) ... [2020-12-02 19:01:51,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:51, skipping insertion in model container [2020-12-02 19:01:51,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:50" (2/3) ... [2020-12-02 19:01:51,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:51, skipping insertion in model container [2020-12-02 19:01:51,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:51" (3/3) ... [2020-12-02 19:01:51,407 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_Newton.c.p+cfa-reducer.c [2020-12-02 19:01:51,439 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 19:01:51,443 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 19:01:51,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 19:01:51,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 19:01:51,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 19:01:51,500 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 19:01:51,500 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 19:01:51,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 19:01:51,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 19:01:51,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 19:01:51,501 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 19:01:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-02 19:01:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 19:01:51,526 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:01:51,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:01:51,527 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:01:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:01:51,535 INFO L82 PathProgramCache]: Analyzing trace with hash -938930996, now seen corresponding path program 1 times [2020-12-02 19:01:51,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 19:01:51,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848416327] [2020-12-02 19:01:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 19:01:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:01:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 19:01:51,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848416327] [2020-12-02 19:01:51,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:01:51,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-02 19:01:51,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848103738] [2020-12-02 19:01:51,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 19:01:51,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 19:01:51,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 19:01:51,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-02 19:01:51,809 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-12-02 19:01:51,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:01:51,934 INFO L93 Difference]: Finished difference Result 49 states and 67 transitions. [2020-12-02 19:01:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 19:01:51,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-12-02 19:01:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:01:51,961 INFO L225 Difference]: With dead ends: 49 [2020-12-02 19:01:51,962 INFO L226 Difference]: Without dead ends: 33 [2020-12-02 19:01:51,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 19:01:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-02 19:01:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 19. [2020-12-02 19:01:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-02 19:01:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2020-12-02 19:01:52,023 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 11 [2020-12-02 19:01:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:01:52,024 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2020-12-02 19:01:52,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 19:01:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2020-12-02 19:01:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 19:01:52,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:01:52,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:01:52,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 19:01:52,026 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:01:52,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:01:52,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1250925041, now seen corresponding path program 1 times [2020-12-02 19:01:52,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 19:01:52,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395053696] [2020-12-02 19:01:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 19:01:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:01:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 19:01:52,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395053696] [2020-12-02 19:01:52,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:01:52,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 19:01:52,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963591181] [2020-12-02 19:01:52,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 19:01:52,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 19:01:52,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 19:01:52,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 19:01:52,126 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 5 states. [2020-12-02 19:01:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:01:52,196 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2020-12-02 19:01:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 19:01:52,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-12-02 19:01:52,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:01:52,198 INFO L225 Difference]: With dead ends: 44 [2020-12-02 19:01:52,198 INFO L226 Difference]: Without dead ends: 37 [2020-12-02 19:01:52,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-02 19:01:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-02 19:01:52,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 20. [2020-12-02 19:01:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-02 19:01:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-12-02 19:01:52,207 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 15 [2020-12-02 19:01:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:01:52,207 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-12-02 19:01:52,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 19:01:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2020-12-02 19:01:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 19:01:52,209 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:01:52,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:01:52,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 19:01:52,210 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:01:52,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:01:52,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1796523982, now seen corresponding path program 1 times [2020-12-02 19:01:52,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 19:01:52,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355237159] [2020-12-02 19:01:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 19:01:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:01:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-02 19:01:52,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355237159] [2020-12-02 19:01:52,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:01:52,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 19:01:52,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294993611] [2020-12-02 19:01:52,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 19:01:52,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 19:01:52,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 19:01:52,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 19:01:52,288 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand 5 states. [2020-12-02 19:01:52,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:01:52,344 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-12-02 19:01:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 19:01:52,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-12-02 19:01:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:01:52,346 INFO L225 Difference]: With dead ends: 41 [2020-12-02 19:01:52,346 INFO L226 Difference]: Without dead ends: 35 [2020-12-02 19:01:52,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-02 19:01:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-02 19:01:52,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2020-12-02 19:01:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-02 19:01:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2020-12-02 19:01:52,354 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 15 [2020-12-02 19:01:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:01:52,354 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2020-12-02 19:01:52,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 19:01:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2020-12-02 19:01:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 19:01:52,356 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:01:52,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:01:52,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-02 19:01:52,357 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:01:52,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:01:52,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1813534643, now seen corresponding path program 1 times [2020-12-02 19:01:52,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 19:01:52,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261846523] [2020-12-02 19:01:52,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 19:01:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:01:52,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:01:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:01:52,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:01:52,449 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 19:01:52,451 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 19:01:52,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-02 19:01:52,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:01:52 BoogieIcfgContainer [2020-12-02 19:01:52,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 19:01:52,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 19:01:52,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 19:01:52,526 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 19:01:52,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:51" (3/4) ... [2020-12-02 19:01:52,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 19:01:52,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 19:01:52,534 INFO L168 Benchmark]: Toolchain (without parser) took 1910.24 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.9 MB in the beginning and 34.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:52,535 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 26.2 MB in the beginning and 26.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:01:52,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 34.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:52,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.17 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 32.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:01:52,541 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 58.7 MB. Free memory was 32.8 MB in the beginning and 31.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:52,545 INFO L168 Benchmark]: RCFGBuilder took 388.23 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 29.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:52,549 INFO L168 Benchmark]: TraceAbstraction took 1127.03 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.4 MB in the beginning and 34.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:52,550 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 71.3 MB. Free memory was 34.7 MB in the beginning and 34.3 MB in the end (delta: 413.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:01:52,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 26.2 MB in the beginning and 26.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 34.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.17 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 32.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 58.7 MB. Free memory was 32.8 MB in the beginning and 31.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 388.23 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 29.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1127.03 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.4 MB in the beginning and 34.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.43 ms. Allocated memory is still 71.3 MB. Free memory was 34.7 MB in the beginning and 34.3 MB in the end (delta: 413.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 45, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 53, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 83, overapproximation of to_real at line 46. Possible FailurePath: [L1] int __return_main; [L17] double __return_104; VAL [__return_104=0, __return_main=0] [L20] double main__a; [L21] double main__r; [L22] main__a = __VERIFIER_nondet_double() [L23] int main____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0] [L24] COND TRUE main__a >= 20.0 VAL [__return_104=0, __return_main=0] [L26] COND TRUE main__a <= 30.0 [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_104=0, __return_main=0] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] double __tmp_1; [L34] __tmp_1 = main__a [L35] double inv__A; [L36] inv__A = __tmp_1 [L37] double inv__xi; [L38] double inv__xsi; [L39] double inv__temp; [L40] signed int inv__cond; [L41] signed int inv__exp; [L42] union double_int inv__A_u; [L43] union double_int inv__xi_u; [L44] inv__A_u.d = inv__A [L45] EXPR inv__A_u.i [L45] inv__exp = ((signed int)(((inv__A_u.i) & 2146435072) >> 20)) - 1023 [L46] inv__xi_u.d = 1 [L47] inv__xi_u.i = (1023 - inv__exp) << 20 [L48] EXPR inv__xi_u.d [L48] inv__xi = inv__xi_u.d [L49] inv__cond = 1 VAL [__return_104=0, __return_main=0] [L51] COND TRUE !(inv__cond == 0) [L53] inv__xsi = (2 * inv__xi) - ((inv__A * inv__xi) * inv__xi) [L54] inv__temp = inv__xsi - inv__xi [L55] int inv____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0] [L56] COND FALSE !(inv__temp > 1.0E-10) VAL [__return_104=0, __return_main=0] [L67] COND FALSE !(inv__temp < -1.0E-10) [L73] inv____CPAchecker_TMP_0 = 0 VAL [__return_104=0, __return_main=0] [L61] inv__cond = inv____CPAchecker_TMP_0 [L62] inv__xi = inv__xsi VAL [__return_104=0, __return_main=0] [L51] COND FALSE !(!(inv__cond == 0)) [L80] __return_104 = inv__xi [L81] main__r = __return_104 [L82] int main____CPAchecker_TMP_1; VAL [__return_104=52, __return_main=0] [L83] COND FALSE !(main__r >= 0) VAL [__return_104=52, __return_main=0] [L108] main____CPAchecker_TMP_1 = 0 VAL [__return_104=52, __return_main=0] [L90] int __tmp_2; [L91] __tmp_2 = main____CPAchecker_TMP_1 [L92] int __VERIFIER_assert__cond; [L93] __VERIFIER_assert__cond = __tmp_2 VAL [__return_104=52, __return_main=0] [L94] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_104=52, __return_main=0] [L96] reach_error() VAL [__return_104=52, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 83 SDslu, 149 SDs, 0 SdLazy, 44 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 3 MinimizatonAttempts, 46 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-2880296 [2020-12-02 19:01:54,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:01:55,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:01:55,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:01:55,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:01:55,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:01:55,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:01:55,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:01:55,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:01:55,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:01:55,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:01:55,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:01:55,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:01:55,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:01:55,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:01:55,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:01:55,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:01:55,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:01:55,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:01:55,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:01:55,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:01:55,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:01:55,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:01:55,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:01:55,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:01:55,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:01:55,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:01:55,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:01:55,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:01:55,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:01:55,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:01:55,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:01:55,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:01:55,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:01:55,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:01:55,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:01:55,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:01:55,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:01:55,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:01:55,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:01:55,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:01:55,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 19:01:55,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:01:55,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:01:55,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:01:55,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:01:55,120 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:01:55,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:01:55,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:01:55,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:01:55,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:01:55,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:01:55,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:01:55,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:01:55,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 19:01:55,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 19:01:55,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:01:55,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:01:55,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:01:55,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:01:55,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:01:55,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:01:55,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:01:55,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:01:55,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:01:55,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:01:55,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:01:55,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:01:55,125 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 19:01:55,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 19:01:55,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:01:55,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:01:55,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 19:01:55,127 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d8de9a3f47b00df6084aa30a2af1678ed452538 [2020-12-02 19:01:55,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:01:55,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:01:55,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:01:55,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:01:55,550 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:01:55,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2020-12-02 19:01:55,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6ab879d/788c086378584b698514071492b7b12f/FLAGd42e6c195 [2020-12-02 19:01:56,279 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:01:56,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2020-12-02 19:01:56,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6ab879d/788c086378584b698514071492b7b12f/FLAGd42e6c195 [2020-12-02 19:01:56,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6ab879d/788c086378584b698514071492b7b12f [2020-12-02 19:01:56,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:01:56,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:01:56,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:01:56,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:01:56,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:01:56,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:56" (1/1) ... [2020-12-02 19:01:56,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa73f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:56, skipping insertion in model container [2020-12-02 19:01:56,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:56" (1/1) ... [2020-12-02 19:01:56,706 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:01:56,735 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:01:56,991 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2020-12-02 19:01:56,997 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:01:57,017 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 19:01:57,050 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2020-12-02 19:01:57,054 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:01:57,092 INFO L217 MainTranslator]: Completed translation [2020-12-02 19:01:57,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:57 WrapperNode [2020-12-02 19:01:57,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 19:01:57,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 19:01:57,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 19:01:57,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 19:01:57,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:57" (1/1) ... [2020-12-02 19:01:57,129 ERROR L1131 TypeChecker]: C: double __return_104; [17]: Type mismatch (C_DOUBLE != C_DOUBLE_SMT) in ~__return_104~0 := ~Pluszero~DOUBLE(); [2020-12-02 19:01:57,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:57" (1/1) ... [2020-12-02 19:01:57,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 19:01:57,149 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-02 19:01:57,153 INFO L168 Benchmark]: Toolchain (without parser) took 468.96 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 31.3 MB in the end (delta: 92.5 kB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:57,154 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:01:57,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.99 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 32.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:57,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 31.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:01:57,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.99 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 32.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 31.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 17]: Type Error Type mismatch (C_DOUBLE != C_DOUBLE_SMT) in ~__return_104~0 := ~Pluszero~DOUBLE(); RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...