./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8 --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 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- 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-e04fb08 [2022-11-16 11:12:32,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:32,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:32,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:32,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:32,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:32,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:32,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:32,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:32,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:32,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:32,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:32,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:32,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:32,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:32,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:32,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:32,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:32,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:32,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:32,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:32,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:32,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:32,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:32,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:32,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:32,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:32,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:32,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:32,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:32,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:32,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:32,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:32,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:32,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:32,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:32,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:32,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:32,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:32,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:32,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:32,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:12:32,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:32,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:32,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:32,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:32,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:32,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:32,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:32,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:32,281 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:32,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:32,281 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:12:32,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:32,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:12:32,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:32,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:32,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:32,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:32,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:12:32,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:32,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:32,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:32,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:32,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:32,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:32,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:32,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:32,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:32,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:32,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:32,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:12:32,286 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:32,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:32,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:32,287 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2022-11-16 11:12:32,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:32,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:32,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:32,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:32,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:32,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-11-16 11:12:32,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/5226d641e/84fff5f4b2294d1dbe650d9236fb6fea/FLAGa4a4d48f5 [2022-11-16 11:12:33,201 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:33,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-11-16 11:12:33,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/5226d641e/84fff5f4b2294d1dbe650d9236fb6fea/FLAGa4a4d48f5 [2022-11-16 11:12:33,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/5226d641e/84fff5f4b2294d1dbe650d9236fb6fea [2022-11-16 11:12:33,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:33,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:33,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:33,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:33,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:33,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552b6b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33, skipping insertion in model container [2022-11-16 11:12:33,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:33,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:33,537 WARN L229 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-11-16 11:12:33,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:33,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:33,598 WARN L229 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-11-16 11:12:33,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:33,615 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:33,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33 WrapperNode [2022-11-16 11:12:33,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:33,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:33,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:33,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:33,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,723 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 262 [2022-11-16 11:12:33,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:33,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:33,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:33,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:33,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:33,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:33,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:33,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:33,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (1/1) ... [2022-11-16 11:12:33,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:33,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:33,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:33,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:12:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:12:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 11:12:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:12:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-16 11:12:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:12:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:34,051 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:34,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:34,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:34,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:34,565 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-16 11:12:34,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:34 BoogieIcfgContainer [2022-11-16 11:12:34,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:34,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:34,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:34,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:34,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:33" (1/3) ... [2022-11-16 11:12:34,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fcea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:34, skipping insertion in model container [2022-11-16 11:12:34,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:33" (2/3) ... [2022-11-16 11:12:34,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fcea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:34, skipping insertion in model container [2022-11-16 11:12:34,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:34" (3/3) ... [2022-11-16 11:12:34,589 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2022-11-16 11:12:34,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:34,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:12:34,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:12:34,706 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;@30899f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:12:34,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:12:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 59 states have internal predecessors, (100), 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) [2022-11-16 11:12:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:12:34,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:34,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:34,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:34,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:34,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1833085064, now seen corresponding path program 1 times [2022-11-16 11:12:34,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:34,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134157249] [2022-11-16 11:12:34,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:34,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:34,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134157249] [2022-11-16 11:12:34,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134157249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:34,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:34,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:34,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969898643] [2022-11-16 11:12:34,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:34,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:12:34,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:34,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:12:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:12:34,978 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 59 states have internal predecessors, (100), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-16 11:12:35,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:35,019 INFO L93 Difference]: Finished difference Result 118 states and 198 transitions. [2022-11-16 11:12:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:12:35,023 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-16 11:12:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:35,039 INFO L225 Difference]: With dead ends: 118 [2022-11-16 11:12:35,039 INFO L226 Difference]: Without dead ends: 57 [2022-11-16 11:12:35,051 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 [2022-11-16 11:12:35,055 INFO L413 NwaCegarLoop]: 82 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, 82 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 [2022-11-16 11:12:35,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:12:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-16 11:12:35,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-16 11:12:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 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) [2022-11-16 11:12:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2022-11-16 11:12:35,126 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 9 [2022-11-16 11:12:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:35,126 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2022-11-16 11:12:35,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-16 11:12:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2022-11-16 11:12:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:12:35,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:35,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:35,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:12:35,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:35,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1555265749, now seen corresponding path program 1 times [2022-11-16 11:12:35,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:35,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297875519] [2022-11-16 11:12:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:35,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:35,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297875519] [2022-11-16 11:12:35,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297875519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:35,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:35,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:12:35,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117122168] [2022-11-16 11:12:35,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:35,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:35,324 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-16 11:12:35,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:35,428 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2022-11-16 11:12:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-16 11:12:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:35,430 INFO L225 Difference]: With dead ends: 154 [2022-11-16 11:12:35,430 INFO L226 Difference]: Without dead ends: 108 [2022-11-16 11:12:35,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:35,432 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 66 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:35,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 199 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:12:35,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-16 11:12:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2022-11-16 11:12:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 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) [2022-11-16 11:12:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2022-11-16 11:12:35,447 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 10 [2022-11-16 11:12:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:35,447 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2022-11-16 11:12:35,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-16 11:12:35,448 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2022-11-16 11:12:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:12:35,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:35,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:35,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:12:35,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:35,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:35,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1924526699, now seen corresponding path program 1 times [2022-11-16 11:12:35,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:35,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133423012] [2022-11-16 11:12:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:35,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133423012] [2022-11-16 11:12:35,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133423012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:35,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:35,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:12:35,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874843527] [2022-11-16 11:12:35,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:35,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:35,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:35,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:35,655 INFO L87 Difference]: Start difference. First operand 97 states and 134 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-11-16 11:12:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:35,684 INFO L93 Difference]: Finished difference Result 108 states and 144 transitions. [2022-11-16 11:12:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:35,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 [2022-11-16 11:12:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:35,686 INFO L225 Difference]: With dead ends: 108 [2022-11-16 11:12:35,686 INFO L226 Difference]: Without dead ends: 103 [2022-11-16 11:12:35,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:35,688 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 70 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:35,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 82 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:12:35,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-16 11:12:35,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 98. [2022-11-16 11:12:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 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) [2022-11-16 11:12:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2022-11-16 11:12:35,701 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 11 [2022-11-16 11:12:35,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:35,701 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2022-11-16 11:12:35,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-11-16 11:12:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2022-11-16 11:12:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:12:35,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:35,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:35,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:12:35,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:35,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:35,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1867268397, now seen corresponding path program 1 times [2022-11-16 11:12:35,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:35,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936553559] [2022-11-16 11:12:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:35,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:35,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:35,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:35,786 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:12:35,787 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:12:35,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:12:35,792 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:12:35,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:12:35,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:35 BoogieIcfgContainer [2022-11-16 11:12:35,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:12:35,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:12:35,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:12:35,823 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:12:35,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:34" (3/4) ... [2022-11-16 11:12:35,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:12:35,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:12:35,827 INFO L158 Benchmark]: Toolchain (without parser) took 2588.16ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 73.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-16 11:12:35,828 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory was 103.3MB in the beginning and 103.2MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:35,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.67ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 99.1MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:12:35,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.99ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 96.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:35,829 INFO L158 Benchmark]: Boogie Preprocessor took 39.58ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:35,830 INFO L158 Benchmark]: RCFGBuilder took 805.80ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 73.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:12:35,830 INFO L158 Benchmark]: TraceAbstraction took 1246.83ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 73.3MB in the end (delta: -619.4kB). Peak memory consumption was 52.6kB. Max. memory is 16.1GB. [2022-11-16 11:12:35,831 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 73.0MB in the end (delta: 289.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:35,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory was 103.3MB in the beginning and 103.2MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.67ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 99.1MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.99ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 96.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.58ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.80ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 73.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1246.83ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 73.3MB in the end (delta: -619.4kB). Peak memory consumption was 52.6kB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 73.0MB in the end (delta: 289.1kB). 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: 235]: 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 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L14] static const float huge_floor = 1.0e30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L230] float x = 1.0f / 0.0f; [L231] CALL, EXPR __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L231] RET, EXPR __ieee754_asinf(x) [L231] float res = __ieee754_asinf(x); [L234] CALL, EXPR isnan_float(res) [L60] return x != x; VAL [\old(x)=1000000000000000000000000000009, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L234] RET, EXPR isnan_float(res) [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000009, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 290 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-11-16 11:12:35,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8 --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 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- 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-e04fb08 [2022-11-16 11:12:38,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:38,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:38,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:38,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:38,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:38,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:38,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:38,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:38,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:38,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:38,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:38,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:38,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:38,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:38,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:38,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:38,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:38,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:38,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:38,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:38,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:38,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:38,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:38,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:38,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:38,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:38,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:38,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:38,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:38,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:38,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:38,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:38,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:38,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:38,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:38,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:38,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:38,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:38,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:38,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:38,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:12:38,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:38,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:38,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:38,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:38,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:38,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:38,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:38,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:38,592 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:38,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:38,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:12:38,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:12:38,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:38,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:38,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:38,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:38,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:12:38,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:12:38,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:12:38,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:12:38,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:38,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:38,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:38,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:38,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:38,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:38,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:38,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:38,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:38,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:38,599 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:12:38,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:12:38,600 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:38,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:38,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:38,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:12:38,601 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2022-11-16 11:12:39,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:39,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:39,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:39,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:39,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:39,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-11-16 11:12:39,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/7086f08b9/47bbdb2389824e6aaf44c27fec455161/FLAG24a2cb771 [2022-11-16 11:12:39,957 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:39,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-11-16 11:12:39,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/7086f08b9/47bbdb2389824e6aaf44c27fec455161/FLAG24a2cb771 [2022-11-16 11:12:40,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/data/7086f08b9/47bbdb2389824e6aaf44c27fec455161 [2022-11-16 11:12:40,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:40,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:40,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:40,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:40,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:40,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38583494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40, skipping insertion in model container [2022-11-16 11:12:40,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:40,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:40,570 WARN L229 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-11-16 11:12:40,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:40,594 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:40,719 WARN L229 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_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-11-16 11:12:40,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:40,741 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:40,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40 WrapperNode [2022-11-16 11:12:40,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:40,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:40,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:40,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:40,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,807 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 241 [2022-11-16 11:12:40,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:40,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:40,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:40,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:40,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:40,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:40,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:40,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:40,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (1/1) ... [2022-11-16 11:12:40,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:40,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:40,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:12:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:12:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-16 11:12:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:12:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-16 11:12:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:12:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:41,109 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:41,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:54,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:54,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:54,067 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-16 11:12:54,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:54 BoogieIcfgContainer [2022-11-16 11:12:54,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:54,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:54,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:54,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:54,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:40" (1/3) ... [2022-11-16 11:12:54,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b107d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:54, skipping insertion in model container [2022-11-16 11:12:54,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:40" (2/3) ... [2022-11-16 11:12:54,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b107d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:54, skipping insertion in model container [2022-11-16 11:12:54,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:54" (3/3) ... [2022-11-16 11:12:54,081 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2022-11-16 11:12:54,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:54,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:12:54,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:12:54,170 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;@a692bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:12:54,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:12:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) [2022-11-16 11:12:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:12:54,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:54,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:54,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2022-11-16 11:12:54,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:12:54,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828778768] [2022-11-16 11:12:54,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:54,204 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 [2022-11-16 11:12:54,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:12:54,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:12:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:54,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:12:54,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:54,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:12:54,997 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:12:54,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828778768] [2022-11-16 11:12:54,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828778768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:54,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:54,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:55,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112185762] [2022-11-16 11:12:55,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:55,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:12:55,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:12:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:12:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:12:55,060 INFO L87 Difference]: Start difference. First operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-16 11:12:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:55,084 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2022-11-16 11:12:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:12:55,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-16 11:12:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:55,098 INFO L225 Difference]: With dead ends: 110 [2022-11-16 11:12:55,098 INFO L226 Difference]: Without dead ends: 53 [2022-11-16 11:12:55,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:12:55,105 INFO L413 NwaCegarLoop]: 73 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, 73 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 [2022-11-16 11:12:55,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:12:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-16 11:12:55,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-16 11:12:55,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 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) [2022-11-16 11:12:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2022-11-16 11:12:55,143 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2022-11-16 11:12:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:55,144 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2022-11-16 11:12:55,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-16 11:12:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-16 11:12:55,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:12:55,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:55,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:55,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:55,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:55,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:55,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:55,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2022-11-16 11:12:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:12:55,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500664871] [2022-11-16 11:12:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:55,371 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 [2022-11-16 11:12:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:12:55,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:12:55,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:56,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:12:56,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:56,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:12:56,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:12:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500664871] [2022-11-16 11:12:56,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500664871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:56,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:56,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:12:56,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598851727] [2022-11-16 11:12:56,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:56,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:12:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:12:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:12:56,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:12:56,566 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-11-16 11:12:56,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:56,599 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-11-16 11:12:56,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:12:56,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 [2022-11-16 11:12:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:56,602 INFO L225 Difference]: With dead ends: 58 [2022-11-16 11:12:56,604 INFO L226 Difference]: Without dead ends: 53 [2022-11-16 11:12:56,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:12:56,606 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:56,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-16 11:12:56,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-16 11:12:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-16 11:12:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 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) [2022-11-16 11:12:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-16 11:12:56,624 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 10 [2022-11-16 11:12:56,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:56,625 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-16 11:12:56,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-11-16 11:12:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-16 11:12:56,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:12:56,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:56,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:56,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:56,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:56,853 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2022-11-16 11:12:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:12:56,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387674110] [2022-11-16 11:12:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:56,855 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 [2022-11-16 11:12:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:12:56,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:12:56,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:12:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:57,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:12:57,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:58,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:12:58,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:12:58,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387674110] [2022-11-16 11:12:58,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387674110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:58,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:58,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:12:58,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580549555] [2022-11-16 11:12:58,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:58,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:12:58,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:12:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:12:58,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:12:58,306 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2022-11-16 11:13:02,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:05,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:06,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:08,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:11,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:11,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:11,706 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2022-11-16 11:13:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:13:11,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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 [2022-11-16 11:13:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:11,712 INFO L225 Difference]: With dead ends: 63 [2022-11-16 11:13:11,712 INFO L226 Difference]: Without dead ends: 58 [2022-11-16 11:13:11,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:13:11,713 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 46 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:11,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 284 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2022-11-16 11:13:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-16 11:13:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2022-11-16 11:13:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 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) [2022-11-16 11:13:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-16 11:13:11,721 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 11 [2022-11-16 11:13:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:11,721 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-16 11:13:11,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2022-11-16 11:13:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-16 11:13:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:13:11,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:11,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:11,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 11:13:11,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:13:11,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash 601206874, now seen corresponding path program 1 times [2022-11-16 11:13:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:13:11,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740885203] [2022-11-16 11:13:11,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:11,948 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 [2022-11-16 11:13:11,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:13:11,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:13:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:13:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:13,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:13:13,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:13:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:13,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:13:13,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:13:13,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740885203] [2022-11-16 11:13:13,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740885203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:13,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:13,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:13:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389604055] [2022-11-16 11:13:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:13:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:13:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:13:13,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:13:13,825 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-16 11:13:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:13,827 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2022-11-16 11:13:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:13:13,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2022-11-16 11:13:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:13,827 INFO L225 Difference]: With dead ends: 53 [2022-11-16 11:13:13,828 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:13:13,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:13:13,830 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:13,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-16 11:13:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:13:13,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:13:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-16 11:13:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:13:13,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-16 11:13:13,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:13,832 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:13:13,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-16 11:13:13,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:13:13,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:13:13,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:13:13,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 11:13:14,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:13:14,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:13:14,470 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2022-11-16 11:13:14,470 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2022-11-16 11:13:14,470 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-11-16 11:13:14,470 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2022-11-16 11:13:14,471 INFO L895 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2022-11-16 11:13:14,471 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-11-16 11:13:14,471 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2022-11-16 11:13:14,471 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2022-11-16 11:13:14,471 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2022-11-16 11:13:14,471 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L895 garLoopResultBuilder]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 184) no Hoare annotation was computed. [2022-11-16 11:13:14,472 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2022-11-16 11:13:14,473 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 183) no Hoare annotation was computed. [2022-11-16 11:13:14,473 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2022-11-16 11:13:14,473 INFO L895 garLoopResultBuilder]: At program point L137-1(lines 130 143) the Hoare annotation is: false [2022-11-16 11:13:14,473 INFO L899 garLoopResultBuilder]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2022-11-16 11:13:14,473 INFO L895 garLoopResultBuilder]: At program point L220(lines 155 221) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 11:13:14,473 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2022-11-16 11:13:14,473 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2022-11-16 11:13:14,474 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-16 11:13:14,474 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-16 11:13:14,474 INFO L902 garLoopResultBuilder]: At program point L239(lines 223 240) the Hoare annotation is: true [2022-11-16 11:13:14,474 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2022-11-16 11:13:14,474 INFO L895 garLoopResultBuilder]: At program point L206-1(lines 198 216) the Hoare annotation is: false [2022-11-16 11:13:14,474 INFO L899 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2022-11-16 11:13:14,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:13:14,475 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2022-11-16 11:13:14,475 INFO L895 garLoopResultBuilder]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 11:13:14,475 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-11-16 11:13:14,475 INFO L899 garLoopResultBuilder]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2022-11-16 11:13:14,475 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2022-11-16 11:13:14,475 INFO L895 garLoopResultBuilder]: At program point L142(lines 130 143) the Hoare annotation is: false [2022-11-16 11:13:14,475 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 120) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L895 garLoopResultBuilder]: At program point L128(lines 64 129) the Hoare annotation is: false [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 80) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 216) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2022-11-16 11:13:14,476 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 82) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 184) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2022-11-16 11:13:14,477 INFO L895 garLoopResultBuilder]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2022-11-16 11:13:14,478 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2022-11-16 11:13:14,478 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2022-11-16 11:13:14,478 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 184) no Hoare annotation was computed. [2022-11-16 11:13:14,481 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:13:14,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:13:14,495 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,497 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,497 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,497 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,497 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,497 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,498 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,500 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,501 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,501 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,501 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,501 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,502 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,502 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,502 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,502 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,502 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,503 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,503 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,504 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,504 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,505 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,506 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,506 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,506 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,506 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,506 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,507 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,507 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,507 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,507 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,508 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,508 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,508 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,508 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,508 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,509 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,509 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,509 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,509 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:13:14 BoogieIcfgContainer [2022-11-16 11:13:14,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:13:14,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:13:14,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:13:14,521 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:13:14,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:54" (3/4) ... [2022-11-16 11:13:14,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:13:14,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-16 11:13:14,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 11:13:14,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:13:14,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:13:14,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-16 11:13:14,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-11-16 11:13:14,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:13:14,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:13:14,577 INFO L158 Benchmark]: Toolchain (without parser) took 34318.02ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 67.6MB in the end (delta: -26.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,578 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:13:14,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.73ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 42.0MB in the end (delta: -948.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.59ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 39.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,579 INFO L158 Benchmark]: Boogie Preprocessor took 78.31ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,579 INFO L158 Benchmark]: RCFGBuilder took 13182.07ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 36.9MB in the beginning and 61.7MB in the end (delta: -24.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,580 INFO L158 Benchmark]: TraceAbstraction took 20437.50ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 37.6MB in the end (delta: 23.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,580 INFO L158 Benchmark]: Witness Printer took 65.64ms. Allocated memory is still 90.2MB. Free memory was 37.6MB in the beginning and 67.6MB in the end (delta: -30.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:13:14,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.73ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 42.0MB in the end (delta: -948.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.59ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 39.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.31ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13182.07ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 36.9MB in the beginning and 61.7MB in the end (delta: -24.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20437.50ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 37.6MB in the end (delta: 23.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 65.64ms. Allocated memory is still 90.2MB. Free memory was 37.6MB in the beginning and 67.6MB in the end (delta: -30.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 235]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 610 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 407 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 203 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 114 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 9 QuantifiedInterpolants, 266 SizeOfPredicates, 23 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant [2022-11-16 11:13:14,602 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,602 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,606 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,606 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,606 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,606 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,606 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,607 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,607 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,607 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,607 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,609 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,609 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,609 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant [2022-11-16 11:13:14,610 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,610 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 155]: Loop Invariant [2022-11-16 11:13:14,611 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,611 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,611 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,611 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,613 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,613 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,613 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,614 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,615 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,615 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,615 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:13:14,615 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:13:14,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d16f791d-0e7f-4ec1-961e-ced36eb6cb3d/bin/uautomizer-tPACEb0tL8/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: TRUE