./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ --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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 11:04:15,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:04:15,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:04:15,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:04:15,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:04:15,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:04:15,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:04:15,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:04:15,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:04:15,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:04:15,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:04:15,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:04:15,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:04:15,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:04:15,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:04:15,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:04:15,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:04:15,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:04:15,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:04:15,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:04:15,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:04:15,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:04:15,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:04:15,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:04:15,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:04:15,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:04:15,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:04:15,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:04:15,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:04:15,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:04:15,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:04:15,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:04:15,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:04:15,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:04:15,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:04:15,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:04:15,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:04:15,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:04:15,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:04:15,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:04:15,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:04:15,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 11:04:15,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:04:15,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:04:15,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:04:15,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:04:15,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:04:15,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:04:15,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:04:15,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:04:15,223 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:04:15,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:04:15,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:04:15,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:04:15,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:04:15,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:04:15,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:04:15,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:04:15,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:04:15,226 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:04:15,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:04:15,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:04:15,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:04:15,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:04:15,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:04:15,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:04:15,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:04:15,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:04:15,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:04:15,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:04:15,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:04:15,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:04:15,230 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:04:15,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:04:15,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:04:15,230 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_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-10-17 11:04:15,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:04:15,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:04:15,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:04:15,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:04:15,514 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:04:15,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 11:04:15,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/a8efaa64e/791b77fc869c4556b34fa8f20ea0724b/FLAG0cedbe291 [2022-10-17 11:04:16,148 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:04:16,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 11:04:16,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/a8efaa64e/791b77fc869c4556b34fa8f20ea0724b/FLAG0cedbe291 [2022-10-17 11:04:16,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/a8efaa64e/791b77fc869c4556b34fa8f20ea0724b [2022-10-17 11:04:16,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:04:16,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:04:16,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:04:16,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:04:16,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:04:16,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:04:16" (1/1) ... [2022-10-17 11:04:16,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2727a5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:04:16, skipping insertion in model container [2022-10-17 11:04:16,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:04:16" (1/1) ... [2022-10-17 11:04:16,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:04:16,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:04:16,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-10-17 11:04:16,965 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-10-17 11:04:16,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c9e73d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:04:16, skipping insertion in model container [2022-10-17 11:04:16,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:04:16,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 11:04:16,969 INFO L158 Benchmark]: Toolchain (without parser) took 544.17ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 56.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 11:04:16,969 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:04:16,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 56.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 11:04:16,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 56.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ --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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 11:04:19,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:04:19,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:04:19,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:04:19,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:04:19,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:04:19,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:04:19,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:04:19,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:04:19,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:04:19,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:04:19,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:04:19,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:04:19,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:04:19,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:04:19,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:04:19,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:04:19,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:04:19,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:04:19,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:04:19,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:04:19,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:04:19,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:04:19,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:04:19,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:04:19,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:04:19,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:04:19,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:04:19,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:04:19,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:04:19,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:04:19,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:04:19,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:04:19,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:04:19,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:04:19,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:04:19,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:04:19,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:04:19,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:04:19,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:04:19,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:04:19,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-10-17 11:04:19,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:04:19,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:04:19,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:04:19,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:04:19,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:04:19,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:04:19,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:04:19,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:04:19,317 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:04:19,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:04:19,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:04:19,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:04:19,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:04:19,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:04:19,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:04:19,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:04:19,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:04:19,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:04:19,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:04:19,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:04:19,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:04:19,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:04:19,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:04:19,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:04:19,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:04:19,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 11:04:19,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 11:04:19,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:04:19,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:04:19,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:04:19,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 11:04:19,324 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_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-10-17 11:04:19,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:04:19,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:04:19,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:04:19,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:04:19,717 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:04:19,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 11:04:19,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/340267fa4/118f6ae38dda4618b035f88bf883ca43/FLAG939e15688 [2022-10-17 11:04:20,449 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:04:20,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 11:04:20,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/340267fa4/118f6ae38dda4618b035f88bf883ca43/FLAG939e15688 [2022-10-17 11:04:20,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/bin/uautomizer-J5u9QxTXDZ/data/340267fa4/118f6ae38dda4618b035f88bf883ca43 [2022-10-17 11:04:20,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:04:20,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:04:20,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:04:20,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:04:20,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:04:20,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:04:20" (1/1) ... [2022-10-17 11:04:20,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c421b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:04:20, skipping insertion in model container [2022-10-17 11:04:20,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:04:20" (1/1) ... [2022-10-17 11:04:20,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:04:20,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:04:21,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ab45d1-38d3-4940-8c0a-2018d5ccb992/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-10-17 11:04:21,391 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-10-17 11:04:21,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1950ead0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:04:21, skipping insertion in model container [2022-10-17 11:04:21,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:04:21,393 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 11:04:21,396 INFO L158 Benchmark]: Toolchain (without parser) took 673.97ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 47.1MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:04:21,397 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:04:21,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.53ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 47.1MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:04:21,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.53ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 47.1MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN