./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:31:36,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:36,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:36,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:36,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:36,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:36,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:36,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:36,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:36,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:36,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:36,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:36,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:36,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:36,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:36,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:36,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:36,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:36,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:36,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:36,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:36,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:36,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:36,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:36,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:36,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:36,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:36,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:36,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:36,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:36,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:36,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:36,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:36,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:36,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:36,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:36,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:36,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:36,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:36,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:36,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:36,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:36,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:36,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:36,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:36,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:36,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:36,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:36,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:36,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:36,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:36,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:36,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:36,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:36,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:36,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:36,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:36,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:36,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:36,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:36,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:36,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:36,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:36,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:36,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:36,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:36,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:36,968 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:36,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:36,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:36,969 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_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-10-17 16:31:37,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:37,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:37,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:37,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:37,302 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:37,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 16:31:37,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/8574e2389/b084e0f9e14742a589353d937b1e542c/FLAG5488ecf66 [2022-10-17 16:31:37,907 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:37,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 16:31:37,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/8574e2389/b084e0f9e14742a589353d937b1e542c/FLAG5488ecf66 [2022-10-17 16:31:38,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/8574e2389/b084e0f9e14742a589353d937b1e542c [2022-10-17 16:31:38,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:38,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:38,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:38,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:38,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:38,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f0239b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38, skipping insertion in model container [2022-10-17 16:31:38,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:38,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:38,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-10-17 16:31:38,948 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-10-17 16:31:38,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@615f19a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38, skipping insertion in model container [2022-10-17 16:31:38,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:38,949 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 16:31:38,952 INFO L158 Benchmark]: Toolchain (without parser) took 738.98ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 74.6MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,954 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 102.8MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:38,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.54ms. Allocated memory is still 102.8MB. Free memory was 61.7MB in the beginning and 74.6MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 102.8MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.54ms. Allocated memory is still 102.8MB. Free memory was 61.7MB in the beginning and 74.6MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:31:41,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:41,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:41,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:41,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:41,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:41,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:41,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:41,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:41,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:41,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:41,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:41,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:41,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:41,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:41,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:41,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:41,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:41,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:41,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:41,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:41,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:41,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:41,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:41,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:41,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:41,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:41,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:41,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:41,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:41,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:41,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:41,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:41,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:41,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:41,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:41,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:41,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:41,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:41,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:41,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:41,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:31:41,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:41,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:41,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:41,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:41,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:41,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:41,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:41,525 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:41,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:41,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:41,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:41,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:41,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:41,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:31:41,528 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:31:41,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:31:41,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:41,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:41,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:41,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:41,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:41,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:41,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:41,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:41,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:41,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:41,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:41,532 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:31:41,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:31:41,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:41,532 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:31:41,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:31:41,533 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_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-10-17 16:31:41,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:41,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:41,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:41,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:41,958 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:41,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 16:31:42,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/1ae5a9282/0112138a87c441c9b630a7130d4cf423/FLAG49103e97e [2022-10-17 16:31:42,700 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:42,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-10-17 16:31:42,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/1ae5a9282/0112138a87c441c9b630a7130d4cf423/FLAG49103e97e [2022-10-17 16:31:42,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/bin/ukojak-92XMlrwhuB/data/1ae5a9282/0112138a87c441c9b630a7130d4cf423 [2022-10-17 16:31:42,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:42,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:43,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:43,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:43,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:43,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:42" (1/1) ... [2022-10-17 16:31:43,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d012723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:43, skipping insertion in model container [2022-10-17 16:31:43,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:42" (1/1) ... [2022-10-17 16:31:43,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:43,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:43,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab66bb49-32a6-4f31-ab75-c9c4ac942a54/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-10-17 16:31:43,609 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-10-17 16:31:43,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63cdfdab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:43, skipping insertion in model container [2022-10-17 16:31:43,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:43,611 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 16:31:43,614 INFO L158 Benchmark]: Toolchain (without parser) took 620.01ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 26.8MB in the beginning and 51.4MB in the end (delta: -24.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:43,615 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:43,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.19ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 26.6MB in the beginning and 51.6MB in the end (delta: -25.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:43,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.19ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 26.6MB in the beginning and 51.6MB in the end (delta: -25.0MB). Peak memory consumption was 3.8MB. 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