./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/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_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/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 0.1.24-678e011 [2019-11-20 04:40:04,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:40:04,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:40:04,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:40:04,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:40:04,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:40:04,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:40:04,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:40:04,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:40:04,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:40:04,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:40:04,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:40:04,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:40:04,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:40:04,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:40:04,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:40:04,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:40:04,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:40:04,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:40:04,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:40:04,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:40:04,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:40:04,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:40:04,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:40:04,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:40:04,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:40:04,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:40:04,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:40:04,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:40:04,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:40:04,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:40:04,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:40:04,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:40:04,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:40:04,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:40:04,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:40:04,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:40:04,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:40:04,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:40:04,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:40:04,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:40:04,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:40:04,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:40:04,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:40:04,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:40:04,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:40:04,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:40:04,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:40:04,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:40:04,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:40:04,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:40:04,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:40:04,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:40:04,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:40:04,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:40:04,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:40:04,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:40:04,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:40:04,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:40:04,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:40:04,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:40:04,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:40:04,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:40:04,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:40:04,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:40:04,111 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_dc0c78c6-f60d-40db-a180-ed149aa127f0/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 [2019-11-20 04:40:04,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:40:04,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:40:04,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:40:04,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:40:04,259 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:40:04,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-20 04:40:04,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/105390cdf/5c30f0dd26664a8cbdd0d29f176e7576/FLAGc60e734b0 [2019-11-20 04:40:04,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:40:04,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-20 04:40:04,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/105390cdf/5c30f0dd26664a8cbdd0d29f176e7576/FLAGc60e734b0 [2019-11-20 04:40:04,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/105390cdf/5c30f0dd26664a8cbdd0d29f176e7576 [2019-11-20 04:40:04,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:40:04,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:40:04,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:04,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:40:04,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:40:04,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:04" (1/1) ... [2019-11-20 04:40:04,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a4fc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:04, skipping insertion in model container [2019-11-20 04:40:04,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:04" (1/1) ... [2019-11-20 04:40:04,784 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:40:04,807 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:40:05,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:05,157 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:40:05,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:05,225 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:40:05,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05 WrapperNode [2019-11-20 04:40:05,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:05,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:05,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:40:05,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:40:05,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:05,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:40:05,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:40:05,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:40:05,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... [2019-11-20 04:40:05,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:40:05,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:40:05,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:40:05,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:40:05,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:40:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 04:40:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 04:40:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:40:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:40:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 04:40:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:40:05,618 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:40:05,618 INFO L285 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-20 04:40:05,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:05 BoogieIcfgContainer [2019-11-20 04:40:05,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:40:05,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:40:05,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:40:05,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:40:05,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:40:04" (1/3) ... [2019-11-20 04:40:05,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191adfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:40:05, skipping insertion in model container [2019-11-20 04:40:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:05" (2/3) ... [2019-11-20 04:40:05,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191adfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:40:05, skipping insertion in model container [2019-11-20 04:40:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:05" (3/3) ... [2019-11-20 04:40:05,627 INFO L109 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2019-11-20 04:40:05,636 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:40:05,642 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:40:05,652 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:40:05,685 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:40:05,686 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:40:05,686 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:40:05,686 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:40:05,686 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:40:05,686 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:40:05,686 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:40:05,687 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:40:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-20 04:40:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 04:40:05,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:40:05,725 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:40:05,725 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:40:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:40:05,731 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2019-11-20 04:40:05,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:40:05,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632480270] [2019-11-20 04:40:05,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:40:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:40:05,882 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:40:05,883 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 04:40:05,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:40:05 BoogieIcfgContainer [2019-11-20 04:40:05,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:40:05,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:40:05,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:40:05,914 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:40:05,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:05" (3/4) ... [2019-11-20 04:40:05,918 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:40:05,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:40:05,920 INFO L168 Benchmark]: Toolchain (without parser) took 1151.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:05,921 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:40:05,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -213.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:05,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:40:05,922 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:05,923 INFO L168 Benchmark]: RCFGBuilder took 303.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:05,923 INFO L168 Benchmark]: TraceAbstraction took 292.93 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:05,924 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:40:05,927 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 455.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -213.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292.93 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 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: [L11] BOOLEAN INIT1, INIT2; [L12] float X, P; [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: 0.2s, 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 0.1.24-678e011 [2019-11-20 04:40:07,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:40:07,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:40:07,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:40:07,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:40:07,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:40:07,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:40:07,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:40:07,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:40:07,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:40:07,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:40:07,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:40:07,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:40:07,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:40:07,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:40:07,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:40:07,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:40:07,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:40:07,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:40:07,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:40:07,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:40:07,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:40:07,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:40:07,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:40:07,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:40:07,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:40:07,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:40:07,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:40:07,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:40:07,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:40:07,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:40:07,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:40:07,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:40:07,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:40:07,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:40:07,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:40:07,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:40:07,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:40:07,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:40:07,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:40:07,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:40:07,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 04:40:07,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:40:07,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:40:07,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:40:07,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:40:07,835 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:40:07,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:40:07,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:40:07,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:40:07,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:40:07,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:40:07,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:40:07,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:40:07,838 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:40:07,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:40:07,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:40:07,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:40:07,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:40:07,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:40:07,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:40:07,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:40:07,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:40:07,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:40:07,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:40:07,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:40:07,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:40:07,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:40:07,842 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 04:40:07,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:40:07,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:40:07,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:40:07,843 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_dc0c78c6-f60d-40db-a180-ed149aa127f0/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 [2019-11-20 04:40:08,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:40:08,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:40:08,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:40:08,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:40:08,217 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:40:08,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-20 04:40:08,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/e9eaeafca/ff64e50b2ae64d8892ec07943dc91a52/FLAGf77e06c52 [2019-11-20 04:40:08,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:40:08,684 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-20 04:40:08,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/e9eaeafca/ff64e50b2ae64d8892ec07943dc91a52/FLAGf77e06c52 [2019-11-20 04:40:09,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/data/e9eaeafca/ff64e50b2ae64d8892ec07943dc91a52 [2019-11-20 04:40:09,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:40:09,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:40:09,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:09,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:40:09,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:40:09,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692b1aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09, skipping insertion in model container [2019-11-20 04:40:09,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:40:09,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:40:09,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:09,439 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:40:09,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:40:09,624 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:40:09,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09 WrapperNode [2019-11-20 04:40:09,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:40:09,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:09,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:40:09,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:40:09,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:40:09,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:40:09,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:40:09,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:40:09,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... [2019-11-20 04:40:09,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:40:09,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:40:09,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:40:09,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:40:09,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc0c78c6-f60d-40db-a180-ed149aa127f0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:40:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-20 04:40:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:40:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:40:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 04:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:40:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 04:40:21,074 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-20 04:40:21,076 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:654) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:568) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:259) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 26 more [2019-11-20 04:40:21,083 INFO L168 Benchmark]: Toolchain (without parser) took 11958.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:21,092 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:40:21,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:21,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:40:21,097 INFO L168 Benchmark]: Boogie Preprocessor took 38.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:21,097 INFO L168 Benchmark]: RCFGBuilder took 11365.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:40:21,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11365.79 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: 21.6 MB). Peak memory consumption was 21.6 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...