./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 2329fc70 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 14:29:54,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:29:54,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:29:54,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:29:54,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:29:54,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:29:54,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:29:54,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:29:54,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:29:54,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:29:54,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:29:54,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:29:54,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:29:54,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:29:54,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:29:54,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:29:54,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:29:54,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:29:54,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:29:54,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:29:54,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:29:54,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:29:54,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:29:54,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:29:54,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:29:54,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:29:54,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:29:54,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:29:54,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:29:54,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:29:54,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:29:54,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:29:54,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:29:54,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:29:54,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:29:54,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:29:54,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:29:54,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:29:54,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:29:54,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:29:54,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:29:54,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:29:54,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:29:54,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:29:54,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:29:54,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:29:54,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:29:54,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:29:54,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:29:54,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:29:54,656 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:29:54,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:29:54,657 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:29:54,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:29:54,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:29:54,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:29:54,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:29:54,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:29:54,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:29:54,666 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-12-13 14:29:54,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:29:54,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:29:54,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:29:54,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:29:54,850 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:29:54,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-12-13 14:29:57,443 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:29:57,652 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:29:57,653 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-12-13 14:29:57,660 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/4eb10736d/367e46f2ed3b4ee08acb5c2c61709ac3/FLAG2ba39de64 [2022-12-13 14:29:57,672 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/4eb10736d/367e46f2ed3b4ee08acb5c2c61709ac3 [2022-12-13 14:29:57,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:29:57,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:29:57,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:29:57,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:29:57,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:29:57,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:29:57" (1/1) ... [2022-12-13 14:29:57,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332c174c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:29:57, skipping insertion in model container [2022-12-13 14:29:57,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:29:57" (1/1) ... [2022-12-13 14:29:57,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:29:57,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:29:58,057 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-12-13 14:29:58,063 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-12-13 14:29:58,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c0bd8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:29:58, skipping insertion in model container [2022-12-13 14:29:58,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:29:58,064 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 14:29:58,065 INFO L158 Benchmark]: Toolchain (without parser) took 389.85ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 93.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:29:58,066 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 108.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:29:58,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.36ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 93.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:29:58,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 108.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.36ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 93.3MB in the end (delta: 12.1MB). 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 14:29:59,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:29:59,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:29:59,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:29:59,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:29:59,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:29:59,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:29:59,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:29:59,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:29:59,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:29:59,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:29:59,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:29:59,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:29:59,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:29:59,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:29:59,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:29:59,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:29:59,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:29:59,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:29:59,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:29:59,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:29:59,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:29:59,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:29:59,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:29:59,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:29:59,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:29:59,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:29:59,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:29:59,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:29:59,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:29:59,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:29:59,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:29:59,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:29:59,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:29:59,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:29:59,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:29:59,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:29:59,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:29:59,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:29:59,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:29:59,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:29:59,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 14:29:59,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:29:59,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:29:59,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:29:59,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:29:59,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:29:59,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:29:59,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:29:59,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:29:59,491 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:29:59,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:29:59,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:29:59,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:29:59,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:29:59,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:29:59,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:29:59,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:29:59,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:29:59,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:29:59,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:29:59,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:29:59,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:29:59,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:29:59,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:29:59,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:29:59,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:29:59,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:29:59,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:29:59,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:29:59,496 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-12-13 14:29:59,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:29:59,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:29:59,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:29:59,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:29:59,758 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:29:59,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-12-13 14:30:02,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:30:02,597 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:30:02,598 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-12-13 14:30:02,609 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/67e7bfd75/89bad336411d437396244c9c8d99aa13/FLAG5d32799ec [2022-12-13 14:30:02,623 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ed47da-8100-42e5-889a-5ec7b62cfc76/bin/uautomizer-uyxdKDjOR8/data/67e7bfd75/89bad336411d437396244c9c8d99aa13 [2022-12-13 14:30:02,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:30:02,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:30:02,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:30:02,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:30:02,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:30:02,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:30:02" (1/1) ... [2022-12-13 14:30:02,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a246d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:30:02, skipping insertion in model container [2022-12-13 14:30:02,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:30:02" (1/1) ... [2022-12-13 14:30:02,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:30:02,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:30:03,043 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_55ed47da-8100-42e5-889a-5ec7b62cfc76/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-12-13 14:30:03,049 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-12-13 14:30:03,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79792da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:30:03, skipping insertion in model container [2022-12-13 14:30:03,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:30:03,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 14:30:03,051 INFO L158 Benchmark]: Toolchain (without parser) took 424.22ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 57.4MB in the end (delta: -3.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-12-13 14:30:03,052 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:30:03,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.01ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 57.4MB in the end (delta: -4.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-12-13 14:30:03,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.01ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 57.4MB in the end (delta: -4.0MB). Peak memory consumption was 14.8MB. 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