./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/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 e71375352cb0ad247550ffa746935e0806d4b0b5 .......................................................................................................................................................................................................................................... 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_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/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 e71375352cb0ad247550ffa746935e0806d4b0b5 .......................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:47:14,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:14,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:14,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:14,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:14,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:14,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:14,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:14,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:14,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:14,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:14,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:14,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:14,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:14,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:14,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:14,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:14,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:14,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:14,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:14,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:14,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:14,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:14,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:14,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:14,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:14,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:14,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:14,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:14,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:14,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:14,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:14,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:14,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:14,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:14,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:14,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:14,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:14,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:14,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:14,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:14,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:47:14,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:14,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:14,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:14,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:14,169 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:14,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:14,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:14,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:14,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:14,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:14,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:14,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:14,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:14,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:14,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:14,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:14,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:14,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:14,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:14,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:14,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:14,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:14,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:14,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:14,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:14,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:14,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:14,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:14,173 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_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-25 08:47:14,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:14,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:14,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:14,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:14,319 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:14,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 08:47:14,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/835ef94bf/633d275590b34c1c8243c20a4ded502e/FLAGc92541716 [2019-11-25 08:47:14,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:14,773 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 08:47:14,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/835ef94bf/633d275590b34c1c8243c20a4ded502e/FLAGc92541716 [2019-11-25 08:47:14,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/835ef94bf/633d275590b34c1c8243c20a4ded502e [2019-11-25 08:47:14,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:14,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:14,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:14,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:14,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:14,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:14" (1/1) ... [2019-11-25 08:47:14,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5301f831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:14, skipping insertion in model container [2019-11-25 08:47:14,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:14" (1/1) ... [2019-11-25 08:47:14,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:14,824 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:15,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:15,068 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:15,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:15,121 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:15,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15 WrapperNode [2019-11-25 08:47:15,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:15,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:15,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:15,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:15,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:15,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:15,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:15,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:15,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:15,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:15,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:15,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:15,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-25 08:47:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:15,593 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:15,593 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-25 08:47:15,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:15 BoogieIcfgContainer [2019-11-25 08:47:15,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:15,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:15,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:15,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:15,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:14" (1/3) ... [2019-11-25 08:47:15,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b63ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:15, skipping insertion in model container [2019-11-25 08:47:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (2/3) ... [2019-11-25 08:47:15,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b63ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:15, skipping insertion in model container [2019-11-25 08:47:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:15" (3/3) ... [2019-11-25 08:47:15,601 INFO L109 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2019-11-25 08:47:15,608 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:15,612 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:47:15,620 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:47:15,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:15,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:15,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:15,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:15,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:15,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:15,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:15,640 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-25 08:47:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:47:15,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:15,657 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:15,657 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:15,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:15,661 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2019-11-25 08:47:15,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:15,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897191968] [2019-11-25 08:47:15,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:15,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:15,804 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:47:15,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:15 BoogieIcfgContainer [2019-11-25 08:47:15,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:15,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:15,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:15,830 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:15,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:15" (3/4) ... [2019-11-25 08:47:15,833 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:47:15,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:15,836 INFO L168 Benchmark]: Toolchain (without parser) took 1041.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:15,836 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. [2019-11-25 08:47:15,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:15,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.27 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. [2019-11-25 08:47:15,838 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:15,839 INFO L168 Benchmark]: RCFGBuilder took 400.26 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:15,840 INFO L168 Benchmark]: TraceAbstraction took 233.94 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:15,840 INFO L168 Benchmark]: Witness Printer took 4.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:15,843 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 326.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.27 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. * Boogie Preprocessor took 31.47 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 400.26 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 233.94 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of to_real at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L12] float X, P; [L11] BOOLEAN INIT1, INIT2; [L16] static float E[2], S[2]; [L36] static float E2[2], S2[2]; VAL [E={3:0}, E2={6:0}, INIT1=0, INIT2=0, P=0, S={5:0}, S2={2:0}, X=0] [L56] X = 0 [L57] INIT1 = TRUE [L58] INIT2 = TRUE VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] [L59] COND TRUE \read(TRUE) [L60] X = 0.98*X + 85. VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] [L61] COND FALSE !(X >= -400. && X <= 400.) VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] [L66] COND FALSE !(X >= -800. && X <= 800.) VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] [L7] COND TRUE !(cond) VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] [L7] __VERIFIER_error() VAL [E={3:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 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=17occurred 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, 8 NumberOfCodeBlocks, 8 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 0.1.24-6b5699a [2019-11-25 08:47:17,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:17,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:17,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:17,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:17,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:17,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:17,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:17,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:17,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:17,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:17,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:17,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:17,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:17,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:17,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:17,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:17,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:17,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:17,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:17,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:17,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:17,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:17,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:17,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:17,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:17,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:17,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:17,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:17,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:17,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:17,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:17,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:17,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:17,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:17,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:17,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:17,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:17,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:17,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:17,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:17,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:47:17,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:17,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:17,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:17,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:17,664 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:17,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:17,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:17,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:17,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:17,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:17,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:17,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:17,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:47:17,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:47:17,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:47:17,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:17,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:17,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:17,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:17,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:17,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:17,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:17,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:17,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:17,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:17,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:17,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:17,678 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:47:17,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:47:17,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:17,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:47:17,679 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_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-11-25 08:47:17,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:17,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:17,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:17,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:17,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:17,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 08:47:18,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/2fb64656c/6be919f1e5d946e9a38778feff6213ef/FLAG310e821cb [2019-11-25 08:47:18,354 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:18,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-25 08:47:18,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/2fb64656c/6be919f1e5d946e9a38778feff6213ef/FLAG310e821cb [2019-11-25 08:47:18,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/data/2fb64656c/6be919f1e5d946e9a38778feff6213ef [2019-11-25 08:47:18,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:18,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:18,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:18,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:18,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:18,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:18" (1/1) ... [2019-11-25 08:47:18,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbfda86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:18, skipping insertion in model container [2019-11-25 08:47:18,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:18" (1/1) ... [2019-11-25 08:47:18,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:18,771 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:18,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:19,002 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:19,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:19,152 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:19,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19 WrapperNode [2019-11-25 08:47:19,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:19,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:19,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:19,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:19,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:19,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:19,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:19,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:19,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... [2019-11-25 08:47:19,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:19,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:19,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:19,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:19,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_98ca59cb-9f18-4e9e-8e7a-f2b5c2ba648e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-25 08:47:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-25 08:47:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-25 08:47:56,090 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-25 08:47:56,091 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.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:214) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:722) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 26 more [2019-11-25 08:47:56,096 INFO L168 Benchmark]: Toolchain (without parser) took 37356.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:56,096 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:56,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:56,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:56,098 INFO L168 Benchmark]: Boogie Preprocessor took 40.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:56,099 INFO L168 Benchmark]: RCFGBuilder took 36826.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:56,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 411.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.94 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 36826.47 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - 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.rcfgbuilder: 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...