./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 8393723b 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_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:46:27,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:46:27,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:46:27,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:46:27,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:46:27,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:46:27,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:46:27,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:46:27,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:46:27,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:46:27,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:46:27,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:46:27,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:46:27,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:46:27,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:46:27,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:46:27,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:46:27,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:46:27,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:46:27,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:46:27,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:46:27,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:46:27,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:46:27,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:46:27,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:46:27,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:46:27,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:46:27,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:46:27,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:46:27,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:46:27,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:46:27,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:46:27,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:46:27,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:46:27,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:46:27,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:46:27,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:46:27,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:46:27,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:46:27,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:46:27,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:46:27,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:46:27,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:46:27,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:46:27,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:46:27,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:46:27,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:46:27,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:46:27,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:46:27,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:46:27,342 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:46:27,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:46:27,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:46:27,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:46:27,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:46:27,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:46:27,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:46:27,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:46:27,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:46:27,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:46:27,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:46:27,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:46:27,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:46:27,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:46:27,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:46:27,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:46:27,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:27,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:46:27,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:46:27,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:46:27,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:46:27,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:46:27,352 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:46:27,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:46:27,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:46:27,353 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_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-18 19:46:27,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:46:27,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:46:27,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:46:27,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:46:27,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:46:27,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-18 19:46:27,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/632311830/ddbbce46a45e463b8404a595c0f84b78/FLAG1e345c8c9 [2022-11-18 19:46:28,346 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:46:28,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-18 19:46:28,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/632311830/ddbbce46a45e463b8404a595c0f84b78/FLAG1e345c8c9 [2022-11-18 19:46:28,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/632311830/ddbbce46a45e463b8404a595c0f84b78 [2022-11-18 19:46:28,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:46:28,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:46:28,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:28,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:46:28,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:46:28,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:28" (1/1) ... [2022-11-18 19:46:28,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589911a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:28, skipping insertion in model container [2022-11-18 19:46:28,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:28" (1/1) ... [2022-11-18 19:46:28,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:46:28,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:46:29,255 WARN L234 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_e5ad62f5-afa6-421b-bc94-8106453546d2/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-18 19:46:29,261 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-18 19:46:29,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dd6fc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:29, skipping insertion in model container [2022-11-18 19:46:29,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:29,262 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:46:29,264 INFO L158 Benchmark]: Toolchain (without parser) took 631.92ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 90.0MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:46:29,265 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:46:29,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.41ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 90.2MB in the end (delta: -15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:46:29,271 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 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.41ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 90.2MB in the end (delta: -15.0MB). 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 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_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:46:31,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:46:31,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:46:31,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:46:31,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:46:31,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:46:31,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:46:31,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:46:31,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:46:31,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:46:31,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:46:31,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:46:31,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:46:31,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:46:31,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:46:31,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:46:31,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:46:31,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:46:31,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:46:31,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:46:31,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:46:31,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:46:31,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:46:31,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:46:31,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:46:31,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:46:31,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:46:31,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:46:31,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:46:31,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:46:31,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:46:31,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:46:31,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:46:31,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:46:31,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:46:31,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:46:31,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:46:31,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:46:31,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:46:31,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:46:31,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:46:31,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 19:46:31,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:46:31,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:46:31,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:46:31,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:46:31,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:46:31,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:46:31,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:46:31,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:46:31,650 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:46:31,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:46:31,651 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:46:31,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:46:31,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:46:31,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:46:31,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:46:31,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:46:31,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:46:31,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:46:31,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:46:31,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:46:31,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:46:31,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:46:31,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:46:31,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:46:31,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:46:31,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:46:31,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:31,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:46:31,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:46:31,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:46:31,657 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:46:31,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:46:31,658 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:46:31,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:46:31,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:46:31,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:46:31,659 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_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-18 19:46:32,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:46:32,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:46:32,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:46:32,100 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:46:32,101 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:46:32,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-18 19:46:32,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/1a114ca32/7a328763401d445d9def6f3a5141ab80/FLAGa7b09e30a [2022-11-18 19:46:32,753 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:46:32,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-18 19:46:32,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/1a114ca32/7a328763401d445d9def6f3a5141ab80/FLAGa7b09e30a [2022-11-18 19:46:33,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5ad62f5-afa6-421b-bc94-8106453546d2/bin/uautomizer-TMbwUNV5ro/data/1a114ca32/7a328763401d445d9def6f3a5141ab80 [2022-11-18 19:46:33,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:46:33,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:46:33,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:33,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:46:33,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:46:33,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:33" (1/1) ... [2022-11-18 19:46:33,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd6e7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:33, skipping insertion in model container [2022-11-18 19:46:33,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:33" (1/1) ... [2022-11-18 19:46:33,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:46:33,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:46:33,685 WARN L234 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_e5ad62f5-afa6-421b-bc94-8106453546d2/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-18 19:46:33,694 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-18 19:46:33,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c3ef448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:33, skipping insertion in model container [2022-11-18 19:46:33,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:33,697 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:46:33,700 INFO L158 Benchmark]: Toolchain (without parser) took 600.72ms. Allocated memory is still 52.4MB. Free memory was 28.0MB in the beginning and 28.3MB in the end (delta: -346.6kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-18 19:46:33,701 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:46:33,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.06ms. Allocated memory is still 52.4MB. Free memory was 27.8MB in the beginning and 28.3MB in the end (delta: -522.0kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-18 19:46:33,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.06ms. Allocated memory is still 52.4MB. Free memory was 27.8MB in the beginning and 28.3MB in the end (delta: -522.0kB). Peak memory consumption was 8.0MB. 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