./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:15,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:16,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:29:16,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:16,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:16,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:16,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:16,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:16,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:16,153 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:16,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:16,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:16,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:16,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:16,157 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:16,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:16,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:16,158 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:16,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:16,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:16,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:16,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:16,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:16,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:16,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:16,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:16,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:16,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:16,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:16,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:16,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:16,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:16,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:16,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:16,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:16,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:16,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:29:16,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:16,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:16,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:16,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:16,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:16,197 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2023-11-21 22:29:16,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:16,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:16,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:16,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:16,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:16,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2023-11-21 22:29:19,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:19,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:19,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2023-11-21 22:29:19,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/d2e943bac/00af91cf6f964c76ad6d3e5f8b21ac66/FLAG6fc650a61 [2023-11-21 22:29:19,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/d2e943bac/00af91cf6f964c76ad6d3e5f8b21ac66 [2023-11-21 22:29:19,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:19,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:19,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:19,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:19,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:19,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:19" (1/1) ... [2023-11-21 22:29:19,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216cd8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:19, skipping insertion in model container [2023-11-21 22:29:19,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:19" (1/1) ... [2023-11-21 22:29:19,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:20,270 WARN L240 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_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2023-11-21 22:29:20,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:20,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:20,338 WARN L240 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_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2023-11-21 22:29:20,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:20,357 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:20,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20 WrapperNode [2023-11-21 22:29:20,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:20,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:20,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:20,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:20,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,419 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 277 [2023-11-21 22:29:20,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:20,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:20,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:20,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:20,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,439 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,459 INFO L187 HeapSplitter]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] [2023-11-21 22:29:20,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:20,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:20,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:20,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:20,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (1/1) ... [2023-11-21 22:29:20,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:20,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:20,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:20,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:29:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:29:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:29:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:29:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:29:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:29:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:29:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 22:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 22:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 22:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 22:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 22:29:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 22:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 22:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 22:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 22:29:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 22:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:29:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 22:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 22:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 22:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 22:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 22:29:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-21 22:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-21 22:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-21 22:29:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-21 22:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-21 22:29:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-11-21 22:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-11-21 22:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2023-11-21 22:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2023-11-21 22:29:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2023-11-21 22:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2023-11-21 22:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2023-11-21 22:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:29:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:29:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:29:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 22:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 22:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 22:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 22:29:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 22:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 22:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 22:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 22:29:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 22:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 22:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 22:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 22:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 22:29:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 22:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 22:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-21 22:29:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-21 22:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-21 22:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-11-21 22:29:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-11-21 22:29:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-11-21 22:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2023-11-21 22:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2023-11-21 22:29:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2023-11-21 22:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2023-11-21 22:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2023-11-21 22:29:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2023-11-21 22:29:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:29:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:29:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:29:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:29:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:29:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:29:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:29:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 22:29:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 22:29:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 22:29:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 22:29:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 22:29:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 22:29:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 22:29:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 22:29:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 22:29:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 22:29:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:29:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-21 22:29:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-21 22:29:20,922 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:20,925 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:21,444 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:21,604 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:21,605 INFO L308 CfgBuilder]: Removed 34 assume(true) statements. [2023-11-21 22:29:21,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:21 BoogieIcfgContainer [2023-11-21 22:29:21,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:21,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:21,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:21,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:21,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:19" (1/3) ... [2023-11-21 22:29:21,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0a2d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:21, skipping insertion in model container [2023-11-21 22:29:21,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:20" (2/3) ... [2023-11-21 22:29:21,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0a2d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:21, skipping insertion in model container [2023-11-21 22:29:21,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:21" (3/3) ... [2023-11-21 22:29:21,618 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2023-11-21 22:29:21,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:21,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:21,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:21,710 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=LoopHeads, 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;@14b05f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:21,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:29:21,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:21,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:21,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:21,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:21,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1867916715, now seen corresponding path program 1 times [2023-11-21 22:29:21,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:21,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306892370] [2023-11-21 22:29:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:21,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:21,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306892370] [2023-11-21 22:29:21,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306892370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:21,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:21,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:21,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549223198] [2023-11-21 22:29:21,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:22,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:29:22,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:29:22,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:22,050 INFO L87 Difference]: Start difference. First operand has 76 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:22,133 INFO L93 Difference]: Finished difference Result 151 states and 251 transitions. [2023-11-21 22:29:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:29:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2023-11-21 22:29:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:22,147 INFO L225 Difference]: With dead ends: 151 [2023-11-21 22:29:22,148 INFO L226 Difference]: Without dead ends: 73 [2023-11-21 22:29:22,154 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 [2023-11-21 22:29:22,161 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:22,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:29:22,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-21 22:29:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-21 22:29:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 69 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2023-11-21 22:29:22,234 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 14 [2023-11-21 22:29:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:22,236 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2023-11-21 22:29:22,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2023-11-21 22:29:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 22:29:22,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:22,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:22,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:29:22,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:22,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:22,245 INFO L85 PathProgramCache]: Analyzing trace with hash 143583569, now seen corresponding path program 1 times [2023-11-21 22:29:22,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:22,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69561530] [2023-11-21 22:29:22,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:22,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:22,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:22,631 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:29:22,639 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:29:22,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:29:22,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:29:22,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:29:22,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:29:22 BoogieIcfgContainer [2023-11-21 22:29:22,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:29:22,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:22,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:22,708 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:22,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:21" (3/4) ... [2023-11-21 22:29:22,711 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:29:22,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:22,714 INFO L158 Benchmark]: Toolchain (without parser) took 2797.71ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 55.7MB in the end (delta: 44.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,715 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:22,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.47ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.27ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 83.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,721 INFO L158 Benchmark]: Boogie Preprocessor took 137.22ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,724 INFO L158 Benchmark]: RCFGBuilder took 1048.10ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 97.7MB in the end (delta: -19.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,725 INFO L158 Benchmark]: TraceAbstraction took 1096.67ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 56.4MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 22:29:22,726 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 691.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:22,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.47ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.27ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 83.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.22ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1048.10ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 97.7MB in the end (delta: -19.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1096.67ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 56.4MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 691.4kB). 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: 241]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L237] CALL isfinite_float(x) [L217] __int32_t ix; VAL [\old(x)=2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648] [L219] ieee_float_shape_type gf_u; [L220] EXPR gf_u.value = (x) [L221] EXPR gf_u.word [L221] EXPR (ix) = gf_u.word [L218-L222] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2147483648, ix=-8388609, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648] [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); [L237] RET isfinite_float(x) [L237] COND TRUE isfinite_float(x) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483648, b=2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L88] ieee_float_shape_type gf_u; [L89] EXPR gf_u.value = (x) [L90] EXPR gf_u.word [L90] EXPR (ha) = gf_u.word [L87-L91] { ieee_float_shape_type gf_u; gf_u.value = (x); (ha) = gf_u.word; } VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483648, b=2147483648, ha=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L92] ha &= 0x7fffffffL VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483648, b=2147483648, ha=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L94] ieee_float_shape_type gf_u; [L95] EXPR gf_u.value = (y) [L96] EXPR gf_u.word [L96] EXPR (hb) = gf_u.word [L93-L97] { ieee_float_shape_type gf_u; gf_u.value = (y); (hb) = gf_u.word; } VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483648, b=2147483648, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L98] hb &= 0x7fffffffL [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483648, b=2147483648, ha=2147483647, hb=1895825406, j=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L110] ieee_float_shape_type sf_u; [L111] EXPR sf_u.word = (ha) [L112] EXPR sf_u.value [L112] EXPR (a) = sf_u.value [L109-L113] { ieee_float_shape_type sf_u; sf_u.word = (ha); (a) = sf_u.value; } VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483651, b=2147483648, ha=2147483647, hb=1895825406, j=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L115] ieee_float_shape_type sf_u; [L116] EXPR sf_u.word = (hb) [L117] EXPR sf_u.value [L117] EXPR (b) = sf_u.value [L114-L118] { ieee_float_shape_type sf_u; sf_u.word = (hb); (b) = sf_u.value; } VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483651, b=2147483650, ha=2147483647, hb=1895825406, j=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=2147483648, \old(y)=2147483648, a=2147483651, b=2147483650, ha=2147483647, hb=1895825406, j=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, res=2147483649, tiny_sqrt=1/1000000000000000000000000000000, x=2147483648, y=2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:29:22,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:25,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:25,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:29:25,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:25,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:25,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:25,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:25,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:25,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:25,675 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:25,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:25,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:25,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:25,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:25,678 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:25,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:25,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:25,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:25,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:25,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:25,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:25,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:25,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:25,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:29:25,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:29:25,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:29:25,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:25,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:25,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:25,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:25,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:25,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:25,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:25,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:25,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:25,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:25,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:25,689 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:29:25,690 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:29:25,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:25,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:25,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:25,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:25,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:25,691 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:29:25,691 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2023-11-21 22:29:26,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:26,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:26,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:26,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:26,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:26,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2023-11-21 22:29:29,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:29,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:29,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2023-11-21 22:29:29,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/4ab69d99e/ed6fb28c8125495a83edf5f6d5a17313/FLAG24d572bd7 [2023-11-21 22:29:29,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/data/4ab69d99e/ed6fb28c8125495a83edf5f6d5a17313 [2023-11-21 22:29:29,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:29,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:29,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:29,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:29,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:29,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:29" (1/1) ... [2023-11-21 22:29:29,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff490b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:29, skipping insertion in model container [2023-11-21 22:29:29,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:29" (1/1) ... [2023-11-21 22:29:29,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:30,096 WARN L240 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_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2023-11-21 22:29:30,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:30,127 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:30,198 WARN L240 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_e409f8bb-1984-4228-b3cd-c2a897ee5fce/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2023-11-21 22:29:30,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:30,224 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:30,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30 WrapperNode [2023-11-21 22:29:30,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:30,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:30,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:30,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:30,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,312 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2023-11-21 22:29:30,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:30,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:30,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:30,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:30,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,349 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,367 INFO L187 HeapSplitter]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] [2023-11-21 22:29:30,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:30,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:30,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:30,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:30,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:30,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:30,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:30,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:29:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:29:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-21 22:29:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-21 22:29:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-21 22:29:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-21 22:29:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-21 22:29:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-21 22:29:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-21 22:29:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-21 22:29:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-21 22:29:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-21 22:29:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-21 22:29:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-21 22:29:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-21 22:29:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-21 22:29:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-21 22:29:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:29:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-21 22:29:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-21 22:29:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-21 22:29:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-21 22:29:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-21 22:29:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-21 22:29:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-21 22:29:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-21 22:29:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-21 22:29:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-21 22:29:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-11-21 22:29:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-11-21 22:29:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-11-21 22:29:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-11-21 22:29:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-11-21 22:29:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2023-11-21 22:29:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-21 22:29:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-21 22:29:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-21 22:29:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-21 22:29:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-21 22:29:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-21 22:29:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-21 22:29:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-21 22:29:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-21 22:29:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-21 22:29:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-21 22:29:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-21 22:29:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-21 22:29:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-21 22:29:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-21 22:29:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-21 22:29:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-21 22:29:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-11-21 22:29:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-11-21 22:29:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-11-21 22:29:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-11-21 22:29:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-21 22:29:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-21 22:29:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-21 22:29:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-21 22:29:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-21 22:29:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-21 22:29:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-21 22:29:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-21 22:29:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-21 22:29:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:29:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-21 22:29:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-21 22:29:30,796 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:30,799 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:32,346 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:32,484 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:32,484 INFO L308 CfgBuilder]: Removed 34 assume(true) statements. [2023-11-21 22:29:32,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:32 BoogieIcfgContainer [2023-11-21 22:29:32,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:32,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:32,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:32,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:32,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:29" (1/3) ... [2023-11-21 22:29:32,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@628d9ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:32, skipping insertion in model container [2023-11-21 22:29:32,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (2/3) ... [2023-11-21 22:29:32,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@628d9ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:32, skipping insertion in model container [2023-11-21 22:29:32,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:32" (3/3) ... [2023-11-21 22:29:32,500 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2023-11-21 22:29:32,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:32,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:32,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:32,593 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=LoopHeads, 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;@38e0ad8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:32,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.710144927536232) internal successors, (118), 70 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:29:32,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:32,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:32,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:32,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1534415758, now seen corresponding path program 1 times [2023-11-21 22:29:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:29:32,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669459776] [2023-11-21 22:29:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,636 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 [2023-11-21 22:29:32,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:29:32,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:29:32,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:33,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:29:33,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:33,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:29:33,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669459776] [2023-11-21 22:29:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669459776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:33,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664794574] [2023-11-21 22:29:33,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:33,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:29:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:29:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:29:33,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:33,085 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.710144927536232) internal successors, (118), 70 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:33,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:33,971 INFO L93 Difference]: Finished difference Result 147 states and 245 transitions. [2023-11-21 22:29:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:29:33,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2023-11-21 22:29:33,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:33,993 INFO L225 Difference]: With dead ends: 147 [2023-11-21 22:29:33,993 INFO L226 Difference]: Without dead ends: 71 [2023-11-21 22:29:34,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:34,007 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:34,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 22:29:34,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-21 22:29:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-21 22:29:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.208955223880597) internal successors, (81), 67 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:29:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 85 transitions. [2023-11-21 22:29:34,079 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 85 transitions. Word has length 14 [2023-11-21 22:29:34,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:34,080 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 85 transitions. [2023-11-21 22:29:34,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:29:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2023-11-21 22:29:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 22:29:34,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:34,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:34,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:34,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:34,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:34,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:34,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1154914839, now seen corresponding path program 1 times [2023-11-21 22:29:34,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:29:34,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812962375] [2023-11-21 22:29:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:34,290 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 [2023-11-21 22:29:34,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:29:34,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:29:34,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 22:29:34,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:38,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:38,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:29:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812962375] [2023-11-21 22:29:38,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812962375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:38,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:38,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:29:38,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815011944] [2023-11-21 22:29:38,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:38,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 22:29:38,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:29:38,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:29:38,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:29:38,655 INFO L87 Difference]: Start difference. First operand 71 states and 85 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2023-11-21 22:29:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:43,391 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2023-11-21 22:29:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:29:43,392 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 19 [2023-11-21 22:29:43,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:43,394 INFO L225 Difference]: With dead ends: 77 [2023-11-21 22:29:43,394 INFO L226 Difference]: Without dead ends: 22 [2023-11-21 22:29:43,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:29:43,398 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 41 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:43,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 48 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-21 22:29:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-21 22:29:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-21 22:29:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 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) [2023-11-21 22:29:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2023-11-21 22:29:43,407 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 19 [2023-11-21 22:29:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:43,407 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2023-11-21 22:29:43,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2023-11-21 22:29:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2023-11-21 22:29:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 22:29:43,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:43,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:43,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:43,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:43,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:43,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1653714881, now seen corresponding path program 1 times [2023-11-21 22:29:43,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:29:43,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567619851] [2023-11-21 22:29:43,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:43,619 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 [2023-11-21 22:29:43,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:29:43,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:29:43,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:43,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 22:29:43,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:44,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:29:44,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-21 22:29:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:47,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:47,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:29:47,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567619851] [2023-11-21 22:29:47,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567619851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:47,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:47,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:29:47,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764288467] [2023-11-21 22:29:47,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:47,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:29:47,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:29:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:29:47,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:29:47,356 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2023-11-21 22:29:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:51,122 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2023-11-21 22:29:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:29:51,122 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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 21 [2023-11-21 22:29:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:51,123 INFO L225 Difference]: With dead ends: 22 [2023-11-21 22:29:51,123 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:29:51,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:29:51,125 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:51,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 43 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 22:29:51,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:29:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:29:51,127 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) [2023-11-21 22:29:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:29:51,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2023-11-21 22:29:51,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:51,128 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:51,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2023-11-21 22:29:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:29:51,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:29:51,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:29:51,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:51,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:29:51,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:29:52,079 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2023-11-21 22:29:52,080 INFO L902 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: true [2023-11-21 22:29:52,080 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2023-11-21 22:29:52,080 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 16 81) no Hoare annotation was computed. [2023-11-21 22:29:52,080 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2023-11-21 22:29:52,080 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2023-11-21 22:29:52,080 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-21 22:29:52,081 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-21 22:29:52,081 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 16 81) no Hoare annotation was computed. [2023-11-21 22:29:52,081 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2023-11-21 22:29:52,081 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2023-11-21 22:29:52,081 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2023-11-21 22:29:52,081 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 81) the Hoare annotation is: true [2023-11-21 22:29:52,081 INFO L902 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2023-11-21 22:29:52,082 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2023-11-21 22:29:52,082 INFO L902 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: true [2023-11-21 22:29:52,082 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: false [2023-11-21 22:29:52,082 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2023-11-21 22:29:52,082 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2023-11-21 22:29:52,082 INFO L895 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2023-11-21 22:29:52,082 INFO L899 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2023-11-21 22:29:52,083 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2023-11-21 22:29:52,083 INFO L895 garLoopResultBuilder]: At program point L168-1(lines 168 172) the Hoare annotation is: false [2023-11-21 22:29:52,083 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2023-11-21 22:29:52,083 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:29:52,083 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2023-11-21 22:29:52,083 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2023-11-21 22:29:52,083 INFO L895 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2023-11-21 22:29:52,084 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2023-11-21 22:29:52,084 INFO L899 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2023-11-21 22:29:52,084 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2023-11-21 22:29:52,084 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2023-11-21 22:29:52,084 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~x#1|))) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-21 22:29:52,084 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2023-11-21 22:29:52,084 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L895 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2023-11-21 22:29:52,085 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:29:52,086 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2023-11-21 22:29:52,086 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2023-11-21 22:29:52,086 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2023-11-21 22:29:52,086 INFO L895 garLoopResultBuilder]: At program point L141-1(lines 141 145) the Hoare annotation is: false [2023-11-21 22:29:52,086 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-11-21 22:29:52,086 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2023-11-21 22:29:52,087 INFO L895 garLoopResultBuilder]: At program point L109-1(lines 109 113) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~x#1|))) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|)) .cse0) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (= |ULTIMATE.start___ieee754_hypotf_~a~0#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ bv2147483647 32))) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)))))) [2023-11-21 22:29:52,087 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2023-11-21 22:29:52,087 INFO L895 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|))) (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ bv2147483647 32))))) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~x#1|))) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-21 22:29:52,087 INFO L899 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2023-11-21 22:29:52,087 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 227 247) no Hoare annotation was computed. [2023-11-21 22:29:52,087 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2023-11-21 22:29:52,088 INFO L895 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2023-11-21 22:29:52,088 INFO L899 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2023-11-21 22:29:52,088 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2023-11-21 22:29:52,088 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2023-11-21 22:29:52,088 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2023-11-21 22:29:52,088 INFO L895 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2023-11-21 22:29:52,088 INFO L899 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2023-11-21 22:29:52,089 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:29:52,089 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2023-11-21 22:29:52,089 INFO L895 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2023-11-21 22:29:52,089 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2023-11-21 22:29:52,089 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2023-11-21 22:29:52,090 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 114 118) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~x#1|))) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|)) .cse0) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40|) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (= |ULTIMATE.start___ieee754_hypotf_~a~0#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40|))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_40| (_ bv2147483647 32))) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)))))) [2023-11-21 22:29:52,090 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2023-11-21 22:29:52,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2023-11-21 22:29:52,090 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2023-11-21 22:29:52,090 INFO L899 garLoopResultBuilder]: For program point __ieee754_hypotf_returnLabel#1(lines 83 210) no Hoare annotation was computed. [2023-11-21 22:29:52,090 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: false [2023-11-21 22:29:52,091 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2023-11-21 22:29:52,091 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2023-11-21 22:29:52,094 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:29:52,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:29:52,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x) could not be translated [2023-11-21 22:29:52,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40 : bv32 :: ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40) == ~ha~0) could not be translated [2023-11-21 22:29:52,112 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1044) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1096) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1096) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:950) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContextToString(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContextToString(BacktranslationService.java:98) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.(InvariantResult.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 22:29:52,117 INFO L158 Benchmark]: Toolchain (without parser) took 22376.48ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 61.7MB in the beginning and 42.4MB in the end (delta: 19.3MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,117 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 147.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.55ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 46.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.02ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,119 INFO L158 Benchmark]: Boogie Preprocessor took 173.39ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 62.5MB in the end (delta: -18.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,119 INFO L158 Benchmark]: RCFGBuilder took 1999.87ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 70.3MB in the end (delta: -7.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,120 INFO L158 Benchmark]: TraceAbstraction took 19625.79ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 42.4MB in the end (delta: 26.9MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-21 22:29:52,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 147.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.55ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 46.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.02ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.39ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 62.5MB in the end (delta: -18.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1999.87ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 70.3MB in the end (delta: -7.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 19625.79ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 42.4MB in the end (delta: 26.9MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40 : bv32 :: ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_40) == ~ha~0) could not be translated * 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: 241]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 169 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 93 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 36 PreInvPairs, 41 NumberOfFragments, 283 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 154 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 24 QuantifiedInterpolants, 1374 SizeOfPredicates, 42 NumberOfNonLiveVariables, 244 ConjunctsInSsa, 60 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29): de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 22:29:52,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e409f8bb-1984-4228-b3cd-c2a897ee5fce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29)