./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 11:57:54,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:57:54,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:57:54,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:57:54,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:57:54,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:57:54,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:57:54,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:57:54,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:57:54,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:57:54,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:57:54,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:57:54,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:57:54,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:57:54,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:57:54,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:57:55,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:57:55,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:57:55,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:57:55,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:57:55,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:57:55,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:57:55,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:57:55,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:57:55,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:57:55,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:57:55,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:57:55,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:57:55,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:57:55,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:57:55,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:57:55,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:57:55,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:57:55,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:57:55,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:57:55,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:57:55,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:57:55,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:57:55,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:57:55,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:57:55,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:57:55,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:57:55,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:57:55,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:57:55,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:57:55,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:57:55,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:57:55,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:57:55,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:57:55,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:57:55,099 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:57:55,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:57:55,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:57:55,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:57:55,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:57:55,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:57:55,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:57:55,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:57:55,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:57:55,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:57:55,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:57:55,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:57:55,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:57:55,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:57:55,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:57:55,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:57:55,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:57:55,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:57:55,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:57:55,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:57:55,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:57:55,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:57:55,106 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:57:55,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:57:55,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:57:55,107 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_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-20 11:57:55,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:57:55,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:57:55,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:57:55,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:57:55,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:57:55,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-20 11:57:58,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:57:59,083 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:57:59,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-20 11:57:59,117 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/49f0f0a1d/47f9b954b8d44af18895d864c8ad9a50/FLAG469443b3e [2022-11-20 11:57:59,140 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/49f0f0a1d/47f9b954b8d44af18895d864c8ad9a50 [2022-11-20 11:57:59,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:57:59,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:57:59,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:57:59,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:57:59,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:57:59,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:59" (1/1) ... [2022-11-20 11:57:59,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5041f5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59, skipping insertion in model container [2022-11-20 11:57:59,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:59" (1/1) ... [2022-11-20 11:57:59,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:57:59,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:57:59,896 WARN L237 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_f50b3259-ebf0-4c44-bb96-c61286dc210b/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-20 11:57:59,905 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-20 11:57:59,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bb22d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59, skipping insertion in model container [2022-11-20 11:57:59,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:57:59,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:57:59,911 INFO L158 Benchmark]: Toolchain (without parser) took 764.40ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 90.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:57:59,912 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:57:59,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.60ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 90.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:57:59,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.60ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 90.8MB in the end (delta: 11.8MB). 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 11:58:02,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:58:02,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:58:02,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:58:02,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:58:02,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:58:02,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:58:02,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:58:02,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:58:02,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:58:02,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:58:02,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:58:02,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:58:02,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:58:02,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:58:02,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:58:02,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:58:02,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:58:02,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:58:02,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:58:02,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:58:02,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:58:02,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:58:02,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:58:02,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:58:02,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:58:02,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:58:02,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:58:02,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:58:02,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:58:02,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:58:02,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:58:02,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:58:02,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:58:02,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:58:02,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:58:02,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:58:02,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:58:02,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:58:02,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:58:02,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:58:02,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 11:58:02,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:58:02,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:58:02,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:58:02,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:58:02,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:58:02,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:58:02,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:58:02,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:58:02,618 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:58:02,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:58:02,620 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:58:02,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:58:02,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:58:02,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:58:02,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:58:02,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:58:02,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:58:02,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:58:02,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:58:02,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:58:02,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:58:02,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:58:02,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:58:02,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:58:02,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:58:02,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:58:02,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:58:02,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:58:02,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:58:02,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:58:02,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:58:02,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:58:02,627 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:58:02,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:58:02,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:58:02,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:58:02,628 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_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-20 11:58:03,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:58:03,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:58:03,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:58:03,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:58:03,111 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:58:03,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-20 11:58:06,286 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:58:06,611 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:58:06,612 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-20 11:58:06,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/f2ae6154f/b26bbc14895a48ad8ade7b55b06b3756/FLAGc04905eba [2022-11-20 11:58:06,666 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50b3259-ebf0-4c44-bb96-c61286dc210b/bin/uautomizer-ug76WZFUDN/data/f2ae6154f/b26bbc14895a48ad8ade7b55b06b3756 [2022-11-20 11:58:06,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:58:06,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:58:06,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:06,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:58:06,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:58:06,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:06" (1/1) ... [2022-11-20 11:58:06,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5515ee86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:06, skipping insertion in model container [2022-11-20 11:58:06,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:06" (1/1) ... [2022-11-20 11:58:06,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:58:06,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:58:07,316 WARN L237 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_f50b3259-ebf0-4c44-bb96-c61286dc210b/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-20 11:58:07,327 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-20 11:58:07,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@763c34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:07, skipping insertion in model container [2022-11-20 11:58:07,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:07,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:58:07,333 INFO L158 Benchmark]: Toolchain (without parser) took 659.21ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 55.6MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:58:07,334 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:58:07,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.37ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 55.6MB in the end (delta: -14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:58:07,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.37ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 55.6MB in the end (delta: -14.7MB). Peak memory consumption was 8.4MB. 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