./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya --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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:54:38,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:54:38,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:54:38,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:54:38,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:54:38,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:54:38,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:54:38,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:54:38,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:54:38,457 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:54:38,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:54:38,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:54:38,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:54:38,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:54:38,460 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:54:38,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:54:38,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:54:38,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:54:38,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:54:38,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:54:38,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:54:38,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:54:38,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:54:38,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:54:38,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:54:38,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:54:38,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:54:38,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:54:38,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:54:38,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:54:38,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:54:38,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:38,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:54:38,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:54:38,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:54:38,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:54:38,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:54:38,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:54:38,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:54:38,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:54:38,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:54:38,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:54:38,473 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2023-11-29 05:54:38,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:54:38,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:54:38,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:54:38,724 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:54:38,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:54:38,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2023-11-29 05:54:41,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:54:41,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:54:41,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2023-11-29 05:54:41,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/d4def19a3/bc3fd0bd09554fdba1a7ce7b214608c1/FLAGe6667f806 [2023-11-29 05:54:41,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/d4def19a3/bc3fd0bd09554fdba1a7ce7b214608c1 [2023-11-29 05:54:41,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:54:41,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:54:41,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:41,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:54:41,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:54:41,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2978a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41, skipping insertion in model container [2023-11-29 05:54:41,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:54:41,809 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2023-11-29 05:54:41,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:41,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:54:41,844 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2023-11-29 05:54:41,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:41,863 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:54:41,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41 WrapperNode [2023-11-29 05:54:41,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:41,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:41,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:54:41,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:54:41,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,895 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-29 05:54:41,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:41,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:54:41,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:54:41,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:54:41,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,922 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 4, 7, 4]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 3]. [2023-11-29 05:54:41,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:54:41,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:54:41,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:54:41,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:54:41,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (1/1) ... [2023-11-29 05:54:41,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:41,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:54:41,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:54:41,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:54:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:54:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:54:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:54:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:54:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:54:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 05:54:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:54:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:54:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:54:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:54:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:54:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:54:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:54:42,099 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:54:42,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:54:42,234 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:54:42,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:54:42,263 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:54:42,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:42 BoogieIcfgContainer [2023-11-29 05:54:42,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:54:42,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:54:42,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:54:42,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:54:42,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:54:41" (1/3) ... [2023-11-29 05:54:42,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df58b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:42, skipping insertion in model container [2023-11-29 05:54:42,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:41" (2/3) ... [2023-11-29 05:54:42,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df58b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:42, skipping insertion in model container [2023-11-29 05:54:42,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:42" (3/3) ... [2023-11-29 05:54:42,272 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2023-11-29 05:54:42,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:54:42,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:54:42,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:54:42,332 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;@281b029d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:54:42,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:54:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 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) [2023-11-29 05:54:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 05:54:42,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:54:42,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:54:42,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:54:42,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:54:42,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1217599988, now seen corresponding path program 1 times [2023-11-29 05:54:42,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:54:42,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814773977] [2023-11-29 05:54:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:54:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:54:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:54:42,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:54:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:54:42,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:54:42,539 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:54:42,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:54:42,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:54:42,545 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 05:54:42,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:54:42,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 05:54:42,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-29 05:54:42,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-29 05:54:42,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:54:42 BoogieIcfgContainer [2023-11-29 05:54:42,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:54:42,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:54:42,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:54:42,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:54:42,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:42" (3/4) ... [2023-11-29 05:54:42,579 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:54:42,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:54:42,581 INFO L158 Benchmark]: Toolchain (without parser) took 940.99ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 117.2MB in the end (delta: 34.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,582 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:54:42,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.54ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 154.9MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.33ms. Allocated memory is still 186.6MB. Free memory was 154.9MB in the beginning and 153.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,584 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 186.6MB. Free memory was 153.6MB in the beginning and 151.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,584 INFO L158 Benchmark]: RCFGBuilder took 324.61ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 136.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,585 INFO L158 Benchmark]: TraceAbstraction took 309.60ms. Allocated memory is still 186.6MB. Free memory was 136.0MB in the beginning and 118.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:54:42,585 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 117.2MB in the end (delta: 826.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:54:42,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.54ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 154.9MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.33ms. Allocated memory is still 186.6MB. Free memory was 154.9MB in the beginning and 153.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 186.6MB. Free memory was 153.6MB in the beginning and 151.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.61ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 136.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 309.60ms. Allocated memory is still 186.6MB. Free memory was 136.0MB in the beginning and 118.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 117.2MB in the end (delta: 826.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 5]: 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 someBinaryDOUBLEComparisonOperation at line 21. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] EXPR (*(unsigned*)&d) & 0x7FF00000 VAL [\old(d)=3758096401, d={6:0}, dmax={7:0}, f={5:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096401, d={6:0}, dmax={7:0}, f={5:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-11-29 05:54:42,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya --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 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:54:44,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:54:44,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:54:44,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:54:44,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:54:44,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:54:44,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:54:44,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:54:44,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:54:44,619 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:54:44,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:54:44,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:54:44,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:54:44,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:54:44,622 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:54:44,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:54:44,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:54:44,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:54:44,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:54:44,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:54:44,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:54:44,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:54:44,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:54:44,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:54:44,630 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:54:44,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:54:44,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:54:44,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:54:44,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:54:44,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:54:44,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:54:44,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:54:44,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:54:44,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:44,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:54:44,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:54:44,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:54:44,634 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:54:44,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:54:44,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:54:44,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:54:44,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:54:44,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:54:44,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:54:44,636 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:54:44,636 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2023-11-29 05:54:44,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:54:44,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:54:44,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:54:44,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:54:44,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:54:44,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2023-11-29 05:54:47,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:54:47,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:54:47,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2023-11-29 05:54:47,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/86b2b4ffb/bee7e6630f104d8e8211575a22561206/FLAGeb4170d21 [2023-11-29 05:54:47,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/data/86b2b4ffb/bee7e6630f104d8e8211575a22561206 [2023-11-29 05:54:47,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:54:47,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:54:47,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:47,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:54:47,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:54:47,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:47" (1/1) ... [2023-11-29 05:54:47,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d62f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:47, skipping insertion in model container [2023-11-29 05:54:47,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:47" (1/1) ... [2023-11-29 05:54:47,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:54:48,125 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2023-11-29 05:54:48,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:48,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:54:48,168 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_714e9b2e-2027-40e3-95b5-58c4f24b628b/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2023-11-29 05:54:48,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:48,195 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:54:48,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48 WrapperNode [2023-11-29 05:54:48,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:48,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:48,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:54:48,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:54:48,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,236 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2023-11-29 05:54:48,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:48,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:54:48,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:54:48,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:54:48,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,270 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 7, 4, 4]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 1, 3, 2]. [2023-11-29 05:54:48,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:54:48,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:54:48,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:54:48,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:54:48,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (1/1) ... [2023-11-29 05:54:48,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:48,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:54:48,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:54:48,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:54:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:54:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 05:54:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 05:54:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 05:54:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 05:54:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 05:54:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 05:54:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 05:54:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 05:54:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:54:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:54:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 05:54:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 05:54:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 05:54:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 05:54:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 05:54:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 05:54:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:54:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:54:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 05:54:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 05:54:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:54:48,473 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:54:48,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:54:48,734 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:54:48,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:54:48,772 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:54:48,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:48 BoogieIcfgContainer [2023-11-29 05:54:48,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:54:48,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:54:48,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:54:48,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:54:48,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:54:47" (1/3) ... [2023-11-29 05:54:48,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534dd782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:48, skipping insertion in model container [2023-11-29 05:54:48,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:48" (2/3) ... [2023-11-29 05:54:48,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534dd782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:48, skipping insertion in model container [2023-11-29 05:54:48,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:48" (3/3) ... [2023-11-29 05:54:48,781 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2023-11-29 05:54:48,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:54:48,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:54:48,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:54:48,850 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;@5ff0cc54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:54:48,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:54:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-29 05:54:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 05:54:48,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:54:48,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:54:48,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:54:48,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:54:48,866 INFO L85 PathProgramCache]: Analyzing trace with hash -155783161, now seen corresponding path program 1 times [2023-11-29 05:54:48,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:54:48,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543902511] [2023-11-29 05:54:48,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:54:48,879 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 [2023-11-29 05:54:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:54:48,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:54:48,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:54:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:54:49,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 05:54:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:54:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:54:49,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:54:49,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:54:49,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543902511] [2023-11-29 05:54:49,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543902511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:54:49,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:54:49,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:54:49,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765940180] [2023-11-29 05:54:49,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:54:49,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:54:49,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:54:49,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:54:49,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:54:49,324 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-29 05:54:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:54:49,686 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2023-11-29 05:54:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:54:49,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2023-11-29 05:54:49,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:54:49,697 INFO L225 Difference]: With dead ends: 22 [2023-11-29 05:54:49,697 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 05:54:49,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:54:49,702 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:54:49,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:54:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 05:54:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-29 05:54:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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) [2023-11-29 05:54:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-29 05:54:49,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2023-11-29 05:54:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:54:49,724 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-29 05:54:49,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-29 05:54:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-29 05:54:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 05:54:49,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:54:49,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:54:49,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:54:49,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:54:49,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:54:49,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:54:49,927 INFO L85 PathProgramCache]: Analyzing trace with hash -155723579, now seen corresponding path program 1 times [2023-11-29 05:54:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:54:49,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766729264] [2023-11-29 05:54:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:54:49,928 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 [2023-11-29 05:54:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:54:49,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:54:49,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:54:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:54:50,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:54:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:54:50,139 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 05:54:50,139 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:54:50,141 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:54:50,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 05:54:50,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:54:50,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 05:54:50,348 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:54:50,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-29 05:54:50,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-11-29 05:54:50,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:54:50 BoogieIcfgContainer [2023-11-29 05:54:50,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:54:50,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:54:50,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:54:50,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:54:50,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:48" (3/4) ... [2023-11-29 05:54:50,369 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 05:54:50,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-11-29 05:54:50,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-29 05:54:50,409 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:54:50,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:54:50,410 INFO L158 Benchmark]: Toolchain (without parser) took 2478.56ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 25.7MB in the beginning and 72.5MB in the end (delta: -46.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,411 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:54:50,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.66ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 25.5MB in the beginning and 67.7MB in the end (delta: -42.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,413 INFO L158 Benchmark]: Boogie Preprocessor took 56.80ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 63.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,413 INFO L158 Benchmark]: RCFGBuilder took 477.79ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 71.9MB in the end (delta: -8.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,414 INFO L158 Benchmark]: TraceAbstraction took 1591.83ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,414 INFO L158 Benchmark]: Witness Printer took 42.24ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.5MB in the end (delta: -13.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:54:50,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.66ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 25.5MB in the beginning and 67.7MB in the end (delta: -42.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.80ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 63.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.79ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 71.9MB in the end (delta: -8.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1591.83ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 59.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 42.24ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.5MB in the end (delta: -13.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=NaN, d={5:0}, dmax={6:0}, f={7:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 3 QuantifiedInterpolants, 199 SizeOfPredicates, 4 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 15 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 proved your program to be incorrect! [2023-11-29 05:54:50,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714e9b2e-2027-40e3-95b5-58c4f24b628b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE