./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:08:33,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:08:33,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:08:33,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:08:33,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:08:33,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:08:33,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:08:33,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:08:33,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:08:33,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:08:33,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:08:33,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:08:33,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:08:33,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:08:33,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:08:33,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:08:33,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:08:33,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:08:33,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:08:33,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:08:33,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:08:33,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:08:33,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:08:33,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:08:33,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:08:33,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:08:33,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:08:33,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:08:33,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:08:33,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:08:33,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:08:33,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:08:33,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:08:33,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:08:33,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:08:33,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:08:33,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:08:33,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:08:33,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:08:33,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:08:33,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:08:33,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:08:33,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:08:33,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:08:33,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:08:33,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:08:33,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:08:33,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:08:33,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:08:33,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:08:33,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:08:33,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:08:33,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:08:33,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:08:33,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:08:33,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:08:33,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:08:33,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:08:33,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:08:33,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:08:33,639 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:08:33,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:08:33,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:08:33,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:33,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:08:33,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:08:33,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:08:33,641 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:08:33,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:08:33,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:08:33,642 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_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-11-23 01:08:33,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:08:34,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:08:34,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:08:34,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:08:34,053 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:08:34,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 01:08:34,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/c9225c5f3/45f3bf418a664cadb7e15f33d3513d3d/FLAGbeda22611 [2021-11-23 01:08:34,925 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:08:34,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 01:08:34,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/c9225c5f3/45f3bf418a664cadb7e15f33d3513d3d/FLAGbeda22611 [2021-11-23 01:08:35,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/c9225c5f3/45f3bf418a664cadb7e15f33d3513d3d [2021-11-23 01:08:35,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:08:35,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:08:35,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:35,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:08:35,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:08:35,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:35" (1/1) ... [2021-11-23 01:08:35,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31679359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:35, skipping insertion in model container [2021-11-23 01:08:35,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:35" (1/1) ... [2021-11-23 01:08:35,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:08:35,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:08:35,934 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_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-11-23 01:08:35,950 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-11-23 01:08:35,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1255ce76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:35, skipping insertion in model container [2021-11-23 01:08:35,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:35,952 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:08:35,955 INFO L158 Benchmark]: Toolchain (without parser) took 838.18ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.4MB in the beginning and 93.2MB in the end (delta: -33.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:08:35,957 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 94.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:08:35,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.83ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 93.2MB in the end (delta: -34.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:08:35,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 94.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.83ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 93.2MB in the end (delta: -34.1MB). 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_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:08:38,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:08:38,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:08:38,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:08:38,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:08:38,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:08:38,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:08:38,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:08:38,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:08:38,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:08:38,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:08:38,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:08:38,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:08:38,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:08:38,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:08:38,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:08:38,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:08:38,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:08:38,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:08:38,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:08:38,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:08:38,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:08:38,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:08:38,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:08:38,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:08:38,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:08:38,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:08:38,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:08:38,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:08:38,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:08:38,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:08:38,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:08:38,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:08:38,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:08:39,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:08:39,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:08:39,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:08:39,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:08:39,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:08:39,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:08:39,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:08:39,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:08:39,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:08:39,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:08:39,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:08:39,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:08:39,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:08:39,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:08:39,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:08:39,078 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:08:39,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:08:39,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:08:39,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:08:39,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:08:39,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:08:39,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:08:39,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:08:39,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:08:39,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:08:39,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:08:39,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:08:39,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:08:39,082 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:08:39,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:08:39,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:08:39,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:08:39,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:08:39,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:08:39,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:08:39,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:08:39,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:08:39,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:08:39,085 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:08:39,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:08:39,086 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_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-11-23 01:08:39,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:08:39,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:08:39,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:08:39,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:08:39,667 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:08:39,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 01:08:39,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/a07c6a634/1ce54f53fb374f39ae65391c8e700062/FLAGa3b7832c6 [2021-11-23 01:08:40,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:08:40,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 01:08:40,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/a07c6a634/1ce54f53fb374f39ae65391c8e700062/FLAGa3b7832c6 [2021-11-23 01:08:40,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/bin/ukojak-LBtLqBUTdQ/data/a07c6a634/1ce54f53fb374f39ae65391c8e700062 [2021-11-23 01:08:40,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:08:40,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:08:40,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:40,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:08:40,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:08:40,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:40" (1/1) ... [2021-11-23 01:08:40,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a7512a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:40, skipping insertion in model container [2021-11-23 01:08:40,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:40" (1/1) ... [2021-11-23 01:08:40,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:08:40,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:08:41,561 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_4a0c6faf-a442-4847-ab45-9ccce81cd9a5/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-11-23 01:08:41,584 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-11-23 01:08:41,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bc27c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:41, skipping insertion in model container [2021-11-23 01:08:41,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:08:41,591 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:08:41,594 INFO L158 Benchmark]: Toolchain (without parser) took 864.33ms. Allocated memory is still 54.5MB. Free memory was 29.3MB in the beginning and 35.8MB in the end (delta: -6.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 01:08:41,598 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:08:41,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.44ms. Allocated memory is still 54.5MB. Free memory was 29.0MB in the beginning and 36.0MB in the end (delta: -7.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 01:08:41,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.44ms. Allocated memory is still 54.5MB. Free memory was 29.0MB in the beginning and 36.0MB in the end (delta: -7.0MB). Peak memory consumption was 5.9MB. 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