./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d18c017f419dc210dcbafa8af1edf74b131b258 ..................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d18c017f419dc210dcbafa8af1edf74b131b258 ................................................................................................................................................................................................................. 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 0.2.0-69874e2 [2020-12-01 14:53:34,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:53:34,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:53:34,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:53:34,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:53:34,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:53:34,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:53:34,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:53:34,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:53:34,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:53:34,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:53:34,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:53:34,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:53:34,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:53:34,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:53:34,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:53:34,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:53:34,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:53:34,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:53:34,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:53:34,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:53:34,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:53:34,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:53:34,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:53:34,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:53:34,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:53:34,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:53:34,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:53:34,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:53:34,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:53:34,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:53:34,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:53:34,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:53:34,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:53:34,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:53:34,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:53:34,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:53:34,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:53:34,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:53:34,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:53:34,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:53:34,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:53:34,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:53:34,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:53:34,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:53:34,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:53:34,937 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:53:34,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:53:34,938 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:53:34,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:53:34,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:53:34,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:53:34,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:53:34,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:53:34,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:53:34,939 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:53:34,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:53:34,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:53:34,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:53:34,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:53:34,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:53:34,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:53:34,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:53:34,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:53:34,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:53:34,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:53:34,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:53:34,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:53:34,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:53:34,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:53:34,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:53:34,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-12-01 14:53:35,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:53:35,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:53:35,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:53:35,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:53:35,230 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:53:35,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-12-01 14:53:35,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/b1aaf4dcc/660c0050e58249af9cf1d82eb099a609/FLAG932a25b38 [2020-12-01 14:53:35,880 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:53:35,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-12-01 14:53:35,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/b1aaf4dcc/660c0050e58249af9cf1d82eb099a609/FLAG932a25b38 [2020-12-01 14:53:36,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/b1aaf4dcc/660c0050e58249af9cf1d82eb099a609 [2020-12-01 14:53:36,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:53:36,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:53:36,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:36,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:53:36,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:53:36,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2e86a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36, skipping insertion in model container [2020-12-01 14:53:36,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:53:36,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:53:36,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:36,474 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:53:36,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:36,570 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:53:36,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36 WrapperNode [2020-12-01 14:53:36,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:36,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:36,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:53:36,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:53:36,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:36,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:53:36,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:53:36,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:53:36,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... [2020-12-01 14:53:36,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:53:36,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:53:36,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:53:36,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:53:36,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/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 [2020-12-01 14:53:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:53:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:53:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 14:53:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 14:53:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:53:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:53:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 14:53:37,150 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:53:37,150 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 14:53:37,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:37 BoogieIcfgContainer [2020-12-01 14:53:37,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:53:37,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:53:37,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:53:37,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:53:37,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:53:36" (1/3) ... [2020-12-01 14:53:37,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8aa89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:53:37, skipping insertion in model container [2020-12-01 14:53:37,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:36" (2/3) ... [2020-12-01 14:53:37,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8aa89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:53:37, skipping insertion in model container [2020-12-01 14:53:37,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:37" (3/3) ... [2020-12-01 14:53:37,171 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2020-12-01 14:53:37,187 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:53:37,190 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:53:37,226 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:53:37,275 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:53:37,276 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:53:37,276 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:53:37,277 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:53:37,277 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:53:37,277 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:53:37,277 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:53:37,277 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:53:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-12-01 14:53:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 14:53:37,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:53:37,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:53:37,304 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:53:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:37,311 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2020-12-01 14:53:37,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:37,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026434795] [2020-12-01 14:53:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:37,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:37,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:37,638 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:37,639 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 14:53:37,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:53:37,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:53:37 BoogieIcfgContainer [2020-12-01 14:53:37,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:53:37,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:53:37,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:53:37,671 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:53:37,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:37" (3/4) ... [2020-12-01 14:53:37,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 14:53:37,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:53:37,678 INFO L168 Benchmark]: Toolchain (without parser) took 1496.00 ms. Allocated memory is still 115.3 MB. Free memory was 94.5 MB in the beginning and 90.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:37,679 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:37,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.59 ms. Allocated memory is still 115.3 MB. Free memory was 94.2 MB in the beginning and 90.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:37,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.32 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 89.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:37,681 INFO L168 Benchmark]: Boogie Preprocessor took 38.70 ms. Allocated memory is still 115.3 MB. Free memory was 89.0 MB in the beginning and 87.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:37,682 INFO L168 Benchmark]: RCFGBuilder took 467.69 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 68.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:37,683 INFO L168 Benchmark]: TraceAbstraction took 516.49 ms. Allocated memory is still 115.3 MB. Free memory was 67.7 MB in the beginning and 91.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:37,684 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 115.3 MB. Free memory is still 90.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:37,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.59 ms. Allocated memory is still 115.3 MB. Free memory was 94.2 MB in the beginning and 90.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.32 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 89.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.70 ms. Allocated memory is still 115.3 MB. Free memory was 89.0 MB in the beginning and 87.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 467.69 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 68.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 516.49 ms. Allocated memory is still 115.3 MB. Free memory was 67.7 MB in the beginning and 91.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.94 ms. Allocated memory is still 115.3 MB. Free memory is still 90.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; VAL [E={3:0}, E2={5:0}, INIT1=0, INIT2=0, P=0, S={6:0}, S2={7:0}, X=0] [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L63] COND FALSE !(X >= -400. && X <= 400.) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L68] COND FALSE !(X >= -800. && X <= 800.) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L9] COND TRUE !(cond) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L3] __assert_fail("0", "filter2_iterated.c", 3, "reach_error") VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.1s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 14:53:40,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:53:40,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:53:40,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:53:40,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:53:40,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:53:40,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:53:40,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:53:40,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:53:40,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:53:40,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:53:40,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:53:40,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:53:40,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:53:40,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:53:40,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:53:40,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:53:40,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:53:40,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:53:40,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:53:40,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:53:40,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:53:40,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:53:40,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:53:40,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:53:40,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:53:40,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:53:40,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:53:40,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:53:40,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:53:40,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:53:40,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:53:40,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:53:40,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:53:40,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:53:40,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:53:40,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:53:40,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:53:40,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:53:40,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:53:40,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:53:40,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 14:53:40,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:53:40,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:53:40,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:53:40,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:53:40,392 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:53:40,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:53:40,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:53:40,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:53:40,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:53:40,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:53:40,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:53:40,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:53:40,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 14:53:40,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 14:53:40,395 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:53:40,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:53:40,395 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:53:40,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:53:40,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:53:40,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:53:40,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:53:40,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:53:40,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:53:40,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:53:40,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:53:40,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:53:40,398 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 14:53:40,398 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 14:53:40,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:53:40,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:53:40,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 14:53:40,410 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-12-01 14:53:40,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:53:40,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:53:40,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:53:40,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:53:40,878 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:53:40,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-12-01 14:53:40,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/e19f6e64f/6171b93139c54b448f493da6da42c73a/FLAGe35402554 [2020-12-01 14:53:41,530 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:53:41,536 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-12-01 14:53:41,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/e19f6e64f/6171b93139c54b448f493da6da42c73a/FLAGe35402554 [2020-12-01 14:53:41,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/bin/uautomizer/data/e19f6e64f/6171b93139c54b448f493da6da42c73a [2020-12-01 14:53:41,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:53:41,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:53:41,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:41,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:53:41,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:53:41,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:41" (1/1) ... [2020-12-01 14:53:41,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2e63cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:41, skipping insertion in model container [2020-12-01 14:53:41,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:41" (1/1) ... [2020-12-01 14:53:41,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:53:41,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:53:42,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:42,184 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:53:42,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:42,264 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:53:42,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42 WrapperNode [2020-12-01 14:53:42,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:42,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:42,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:53:42,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:53:42,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:42,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:53:42,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:53:42,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:53:42,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... [2020-12-01 14:53:42,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:53:42,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:53:42,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:53:42,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:53:42,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b6e5ba4-6d88-4465-a2a9-61221ae45130/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 [2020-12-01 14:53:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-01 14:53:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 14:53:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:53:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-01 14:53:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:53:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:53:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-01 14:53:56,672 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-01 14:53:56,673 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:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) 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:716) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:630) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-12-01 14:53:56,680 INFO L168 Benchmark]: Toolchain (without parser) took 14783.49 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 40.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:56,681 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:56,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.86 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 43.3 MB in the end (delta: -759.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:56,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:56,684 INFO L168 Benchmark]: Boogie Preprocessor took 53.26 ms. Allocated memory is still 62.9 MB. Free memory was 41.2 MB in the beginning and 39.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:56,684 INFO L168 Benchmark]: RCFGBuilder took 14279.59 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 40.0 MB in the end (delta: -928.0 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:56,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.86 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 43.3 MB in the end (delta: -759.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.26 ms. Allocated memory is still 62.9 MB. Free memory was 41.2 MB in the beginning and 39.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14279.59 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 40.0 MB in the end (delta: -928.0 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 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:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...