./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:07:59,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:07:59,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:07:59,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:07:59,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:07:59,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:07:59,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:07:59,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:07:59,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:07:59,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:07:59,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:07:59,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:07:59,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:07:59,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:07:59,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:07:59,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:07:59,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:07:59,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:07:59,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:07:59,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:07:59,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:07:59,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:07:59,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:07:59,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:07:59,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:07:59,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:07:59,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:07:59,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:07:59,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:07:59,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:07:59,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:07:59,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:07:59,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:07:59,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:07:59,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:07:59,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:07:59,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:07:59,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:07:59,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:07:59,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:07:59,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:07:59,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 21:07:59,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:07:59,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:07:59,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:07:59,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:07:59,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:07:59,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:07:59,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:07:59,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:07:59,970 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:07:59,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:07:59,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:07:59,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:07:59,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:07:59,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:07:59,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:07:59,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:07:59,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:07:59,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:07:59,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:07:59,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:07:59,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:07:59,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:07:59,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:07:59,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:07:59,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:07:59,973 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:07:59,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:07:59,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:07:59,974 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_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2022-11-18 21:08:00,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:08:00,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:08:00,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:08:00,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:08:00,263 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:08:00,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2022-11-18 21:08:00,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/a29989c7c/dd57ab7f3cff48f0908f04c994d4c452/FLAG279159af7 [2022-11-18 21:08:00,820 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:08:00,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2022-11-18 21:08:00,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/a29989c7c/dd57ab7f3cff48f0908f04c994d4c452/FLAG279159af7 [2022-11-18 21:08:01,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/a29989c7c/dd57ab7f3cff48f0908f04c994d4c452 [2022-11-18 21:08:01,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:08:01,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:08:01,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:01,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:08:01,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:08:01,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3312623c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01, skipping insertion in model container [2022-11-18 21:08:01,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:08:01,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:08:01,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2022-11-18 21:08:01,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:01,608 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:08:01,701 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2022-11-18 21:08:01,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:01,742 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:08:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01 WrapperNode [2022-11-18 21:08:01,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:01,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:01,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:08:01,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:08:01,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,921 INFO L138 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1061 [2022-11-18 21:08:01,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:01,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:08:01,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:08:01,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:08:01,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:01,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:08:02,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:08:02,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:08:02,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:08:02,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (1/1) ... [2022-11-18 21:08:02,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:08:02,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:08:02,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:08:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:08:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:08:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-18 21:08:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:08:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-18 21:08:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-18 21:08:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-18 21:08:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-11-18 21:08:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-11-18 21:08:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:08:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-18 21:08:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-11-18 21:08:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-11-18 21:08:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:08:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-11-18 21:08:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-11-18 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:08:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:08:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:08:02,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:08:02,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:08:03,742 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:08:03,754 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:08:03,755 INFO L300 CfgBuilder]: Removed 65 assume(true) statements. [2022-11-18 21:08:03,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:03 BoogieIcfgContainer [2022-11-18 21:08:03,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:08:03,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:08:03,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:08:03,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:08:03,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:08:01" (1/3) ... [2022-11-18 21:08:03,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d588f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:03, skipping insertion in model container [2022-11-18 21:08:03,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:01" (2/3) ... [2022-11-18 21:08:03,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d588f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:03, skipping insertion in model container [2022-11-18 21:08:03,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:03" (3/3) ... [2022-11-18 21:08:03,769 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2022-11-18 21:08:03,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:08:03,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:08:03,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:08:03,873 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43e9f6d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:08:03,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:08:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 229 states have (on average 1.6812227074235808) internal successors, (385), 230 states have internal predecessors, (385), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 21:08:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 21:08:03,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:03,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:03,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:03,893 INFO L85 PathProgramCache]: Analyzing trace with hash -666073411, now seen corresponding path program 1 times [2022-11-18 21:08:03,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:03,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362863828] [2022-11-18 21:08:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:03,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:04,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:04,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362863828] [2022-11-18 21:08:04,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362863828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:04,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:04,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:04,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101020956] [2022-11-18 21:08:04,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:04,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:08:04,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:04,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:08:04,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:08:04,321 INFO L87 Difference]: Start difference. First operand has 246 states, 229 states have (on average 1.6812227074235808) internal successors, (385), 230 states have internal predecessors, (385), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:04,391 INFO L93 Difference]: Finished difference Result 490 states and 823 transitions. [2022-11-18 21:08:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:08:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-18 21:08:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:04,419 INFO L225 Difference]: With dead ends: 490 [2022-11-18 21:08:04,419 INFO L226 Difference]: Without dead ends: 243 [2022-11-18 21:08:04,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:08:04,430 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:04,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:08:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-11-18 21:08:04,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2022-11-18 21:08:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 21:08:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 338 transitions. [2022-11-18 21:08:04,521 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 338 transitions. Word has length 10 [2022-11-18 21:08:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:04,521 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 338 transitions. [2022-11-18 21:08:04,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 338 transitions. [2022-11-18 21:08:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 21:08:04,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:04,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:04,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:08:04,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:04,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:04,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2138304466, now seen corresponding path program 1 times [2022-11-18 21:08:04,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:04,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474122035] [2022-11-18 21:08:04,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:08:04,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:08:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:08:04,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:08:04,760 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:08:04,761 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:08:04,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:08:04,767 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 21:08:04,770 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:08:04,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:08:04 BoogieIcfgContainer [2022-11-18 21:08:04,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:08:04,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:08:04,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:08:04,838 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:08:04,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:03" (3/4) ... [2022-11-18 21:08:04,842 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:08:04,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:08:04,843 INFO L158 Benchmark]: Toolchain (without parser) took 3671.38ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 94.0MB in the beginning and 106.9MB in the end (delta: -12.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-18 21:08:04,843 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:08:04,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.37ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 88.7MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:08:04,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.70ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:08:04,845 INFO L158 Benchmark]: Boogie Preprocessor took 151.75ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 74.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 21:08:04,845 INFO L158 Benchmark]: RCFGBuilder took 1684.53ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 95.4MB in the end (delta: -21.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-11-18 21:08:04,846 INFO L158 Benchmark]: TraceAbstraction took 1074.03ms. Allocated memory is still 176.2MB. Free memory was 94.4MB in the beginning and 106.9MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:08:04,846 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 176.2MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:08:04,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.37ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 88.7MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.70ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.75ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 74.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1684.53ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 95.4MB in the end (delta: -21.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1074.03ms. Allocated memory is still 176.2MB. Free memory was 94.4MB in the beginning and 106.9MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 176.2MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L14] static const float huge_floor = 1.0e30; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = 0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000012, res == 0.0f && __signbit_float(res) == 0=0, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={5:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={4:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000012, T_ktan={7:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={8:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 341 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 21:08:04,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:08:07,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:08:07,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:08:07,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:08:07,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:08:07,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:08:07,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:08:07,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:08:07,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:08:07,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:08:07,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:08:07,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:08:07,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:08:07,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:08:07,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:08:07,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:08:07,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:08:07,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:08:07,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:08:07,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:08:07,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:08:07,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:08:07,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:08:07,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:08:07,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:08:07,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:08:07,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:08:07,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:08:07,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:08:07,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:08:07,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:08:07,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:08:07,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:08:07,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:08:07,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:08:07,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:08:07,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:08:07,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:08:07,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:08:07,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:08:07,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:08:07,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 21:08:07,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:08:07,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:08:07,315 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:08:07,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:08:07,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:08:07,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:08:07,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:08:07,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:08:07,318 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:08:07,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:08:07,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:08:07,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:08:07,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:08:07,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:08:07,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:08:07,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:08:07,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:08:07,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:08:07,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:08:07,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:08:07,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:08:07,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:07,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:08:07,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:08:07,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:08:07,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 21:08:07,324 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 21:08:07,324 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:08:07,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:08:07,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:08:07,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 21:08:07,325 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_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38de4b3771aa524216757fa4f71e6ec5c1d192307f57d06dbabf379102384cd [2022-11-18 21:08:07,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:08:07,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:08:07,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:08:07,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:08:07,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:08:07,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2022-11-18 21:08:07,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/bfe36d85d/45e57a17ed42405395255652e840f027/FLAG24c317712 [2022-11-18 21:08:08,390 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:08:08,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2022-11-18 21:08:08,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/bfe36d85d/45e57a17ed42405395255652e840f027/FLAG24c317712 [2022-11-18 21:08:08,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/data/bfe36d85d/45e57a17ed42405395255652e840f027 [2022-11-18 21:08:08,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:08:08,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:08:08,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:08,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:08:08,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:08:08,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:08" (1/1) ... [2022-11-18 21:08:08,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10af5444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:08, skipping insertion in model container [2022-11-18 21:08:08,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:08" (1/1) ... [2022-11-18 21:08:08,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:08:08,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:08:09,089 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2022-11-18 21:08:09,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:09,135 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:08:09,272 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c[15590,15603] [2022-11-18 21:08:09,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:09,316 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:08:09,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09 WrapperNode [2022-11-18 21:08:09,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:09,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:09,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:08:09,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:08:09,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,433 INFO L138 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1052 [2022-11-18 21:08:09,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:09,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:08:09,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:08:09,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:08:09,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:08:09,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:08:09,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:08:09,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:08:09,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (1/1) ... [2022-11-18 21:08:09,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:09,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:08:09,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:08:09,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:08:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:08:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 21:08:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 21:08:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:08:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-18 21:08:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-18 21:08:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-18 21:08:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 21:08:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-11-18 21:08:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-11-18 21:08:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-18 21:08:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-11-18 21:08:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-11-18 21:08:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-18 21:08:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-11-18 21:08:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-11-18 21:08:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:08:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:08:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 21:08:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:08:09,833 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:08:09,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:08:50,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:08:50,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:08:50,564 INFO L300 CfgBuilder]: Removed 65 assume(true) statements. [2022-11-18 21:08:50,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:50 BoogieIcfgContainer [2022-11-18 21:08:50,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:08:50,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:08:50,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:08:50,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:08:50,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:08:08" (1/3) ... [2022-11-18 21:08:50,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607c0a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:50, skipping insertion in model container [2022-11-18 21:08:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:09" (2/3) ... [2022-11-18 21:08:50,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607c0a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:50, skipping insertion in model container [2022-11-18 21:08:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:50" (3/3) ... [2022-11-18 21:08:50,584 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2022-11-18 21:08:50,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:08:50,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:08:50,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:08:50,699 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@df7ff2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:08:50,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:08:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 21:08:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 21:08:50,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:50,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:50,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1364258301, now seen corresponding path program 1 times [2022-11-18 21:08:50,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:08:50,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897702404] [2022-11-18 21:08:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:50,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:08:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:08:50,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:08:50,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 21:08:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:52,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 21:08:52,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:08:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:52,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:08:52,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:08:52,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897702404] [2022-11-18 21:08:52,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897702404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:52,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:52,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:52,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369910446] [2022-11-18 21:08:52,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:52,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:08:52,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:08:52,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:08:52,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:08:52,512 INFO L87 Difference]: Start difference. First operand has 242 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:52,570 INFO L93 Difference]: Finished difference Result 482 states and 803 transitions. [2022-11-18 21:08:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:08:52,572 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-18 21:08:52,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:52,582 INFO L225 Difference]: With dead ends: 482 [2022-11-18 21:08:52,582 INFO L226 Difference]: Without dead ends: 239 [2022-11-18 21:08:52,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:08:52,591 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:52,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:08:52,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-18 21:08:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-11-18 21:08:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 223 states have (on average 1.3721973094170403) internal successors, (306), 223 states have internal predecessors, (306), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 21:08:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 328 transitions. [2022-11-18 21:08:52,648 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 328 transitions. Word has length 10 [2022-11-18 21:08:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:52,648 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 328 transitions. [2022-11-18 21:08:52,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 328 transitions. [2022-11-18 21:08:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 21:08:52,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:52,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:52,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:08:52,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:08:52,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:52,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:52,875 INFO L85 PathProgramCache]: Analyzing trace with hash 681671652, now seen corresponding path program 1 times [2022-11-18 21:08:52,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:08:52,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023092733] [2022-11-18 21:08:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:52,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:08:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:08:52,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:08:52,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 21:08:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:54,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 21:08:54,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:08:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:54,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:08:54,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:08:54,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023092733] [2022-11-18 21:08:54,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023092733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:54,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:54,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:08:54,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703336747] [2022-11-18 21:08:54,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:54,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:08:54,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:08:54,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:08:54,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:08:54,822 INFO L87 Difference]: Start difference. First operand 239 states and 328 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:55,048 INFO L93 Difference]: Finished difference Result 283 states and 378 transitions. [2022-11-18 21:08:55,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:08:55,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-18 21:08:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:55,050 INFO L225 Difference]: With dead ends: 283 [2022-11-18 21:08:55,050 INFO L226 Difference]: Without dead ends: 52 [2022-11-18 21:08:55,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:08:55,053 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 25 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:55,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 140 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:08:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-18 21:08:55,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-18 21:08:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 21:08:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2022-11-18 21:08:55,059 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 11 [2022-11-18 21:08:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:55,060 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2022-11-18 21:08:55,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-11-18 21:08:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 21:08:55,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:55,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:55,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:08:55,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:08:55,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:08:55,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:55,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1601329095, now seen corresponding path program 1 times [2022-11-18 21:08:55,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:08:55,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815064730] [2022-11-18 21:08:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:55,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:08:55,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:08:55,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:08:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 21:08:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:57,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 21:08:57,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:09:06,736 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c___kernel_tanf_#in~iy| (_ bv1 32)))) (or (and (not .cse0) (= (fp.div c_currentRoundingMode (fp.neg c_~one_ktan~0) |c___kernel_tanf_#in~x|) |c___kernel_tanf_#res|)) (and (= |c___kernel_tanf_#in~x| |c___kernel_tanf_#res|) .cse0))) is different from false [2022-11-18 21:09:08,784 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c___kernel_tanf_#in~iy| (_ bv1 32)))) (or (and (not .cse0) (= (fp.div c_currentRoundingMode (fp.neg c_~one_ktan~0) |c___kernel_tanf_#in~x|) |c___kernel_tanf_#res|)) (and (= |c___kernel_tanf_#in~x| |c___kernel_tanf_#res|) .cse0))) is different from true [2022-11-18 21:09:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:14,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:09:14,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:09:14,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815064730] [2022-11-18 21:09:14,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815064730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:14,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:14,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 21:09:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395700467] [2022-11-18 21:09:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:14,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 21:09:14,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:09:14,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 21:09:14,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=31, Unknown=2, NotChecked=10, Total=56 [2022-11-18 21:09:14,446 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:09:18,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:20,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:23,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:26,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:26,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:26,674 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-11-18 21:09:26,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:09:26,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-18 21:09:26,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:26,679 INFO L225 Difference]: With dead ends: 70 [2022-11-18 21:09:26,679 INFO L226 Difference]: Without dead ends: 67 [2022-11-18 21:09:26,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2022-11-18 21:09:26,681 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 22 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:26,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 248 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 4 Unknown, 60 Unchecked, 12.1s Time] [2022-11-18 21:09:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-18 21:09:26,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2022-11-18 21:09:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 51 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 21:09:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2022-11-18 21:09:26,704 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 21 [2022-11-18 21:09:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:26,705 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2022-11-18 21:09:26,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:09:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-11-18 21:09:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 21:09:26,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:26,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:26,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:09:26,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:09:26,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1278284418, now seen corresponding path program 1 times [2022-11-18 21:09:26,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:09:26,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825998382] [2022-11-18 21:09:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:26,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:09:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:09:26,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:09:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 21:09:28,570 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Exception during sending of exit command (exit): Broken pipe [2022-11-18 21:09:28,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 139 [2022-11-18 21:09:28,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:09:28,771 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-18 21:09:28,778 INFO L158 Benchmark]: Toolchain (without parser) took 80080.84ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 46.8MB in the beginning and 51.8MB in the end (delta: -5.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-18 21:09:28,779 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:28,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.97ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 32.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:09:28,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.28ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 46.6MB in the end (delta: -14.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-18 21:09:28,780 INFO L158 Benchmark]: Boogie Preprocessor took 113.41ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 38.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:09:28,780 INFO L158 Benchmark]: RCFGBuilder took 41025.91ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 38.5MB in the beginning and 51.8MB in the end (delta: -13.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-11-18 21:09:28,781 INFO L158 Benchmark]: TraceAbstraction took 38196.96ms. Allocated memory is still 98.6MB. Free memory was 51.2MB in the beginning and 51.8MB in the end (delta: -621.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:28,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.97ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 32.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.28ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 46.6MB in the end (delta: -14.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.41ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 38.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 41025.91ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 38.5MB in the beginning and 51.8MB in the end (delta: -13.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * TraceAbstraction took 38196.96ms. Allocated memory is still 98.6MB. Free memory was 51.2MB in the beginning and 51.8MB in the end (delta: -621.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 21:09:28,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d485b17e-4e42-4c8b-b02e-f72e7598adea/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.