./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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_8d98a733-e214-4195-8d74-360efbc7ad4b/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 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:15:40,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:15:40,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:15:40,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:15:40,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:15:40,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:15:40,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:15:40,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:15:40,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:15:40,962 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:15:40,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:15:40,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:15:40,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:15:40,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:15:40,967 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:15:40,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:15:40,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:15:40,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:15:40,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:15:40,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:15:40,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:15:40,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:15:40,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:15:40,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:15:40,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:15:40,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:15:40,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:15:40,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:15:40,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:15:40,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:15:40,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:15:40,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:15:40,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:15:40,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:15:40,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:15:40,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:15:40,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:15:40,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:15:40,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:15:40,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:15:40,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:15:40,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:15:40,977 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_8d98a733-e214-4195-8d74-360efbc7ad4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd [2023-11-29 02:15:41,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:15:41,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:15:41,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:15:41,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:15:41,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:15:41,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:44,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:15:44,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:15:44,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:44,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/190a4c468/5141b2f79ba549b7833d45df794214d4/FLAG9bf17403d [2023-11-29 02:15:44,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/190a4c468/5141b2f79ba549b7833d45df794214d4 [2023-11-29 02:15:44,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:15:44,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:15:44,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:15:44,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:15:44,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:15:44,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d459aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44, skipping insertion in model container [2023-11-29 02:15:44,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:15:44,508 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-29 02:15:44,514 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-29 02:15:44,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:15:44,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:15:44,574 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-29 02:15:44,575 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-29 02:15:44,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:15:44,609 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:15:44,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44 WrapperNode [2023-11-29 02:15:44,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:15:44,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:15:44,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:15:44,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:15:44,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,646 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-29 02:15:44,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:15:44,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:15:44,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:15:44,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:15:44,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,670 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:15:44,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:15:44,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:15:44,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:15:44,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:15:44,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (1/1) ... [2023-11-29 02:15:44,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:15:44,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:44,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:15:44,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:15:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:15:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-29 02:15:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-29 02:15:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:15:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:15:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:15:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 02:15:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 02:15:44,817 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:15:44,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:15:45,137 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:15:45,162 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:15:45,162 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:15:45,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:45 BoogieIcfgContainer [2023-11-29 02:15:45,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:15:45,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:15:45,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:15:45,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:15:45,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:15:44" (1/3) ... [2023-11-29 02:15:45,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a66cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:15:45, skipping insertion in model container [2023-11-29 02:15:45,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:44" (2/3) ... [2023-11-29 02:15:45,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a66cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:15:45, skipping insertion in model container [2023-11-29 02:15:45,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:45" (3/3) ... [2023-11-29 02:15:45,171 INFO L112 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:45,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:15:45,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:15:45,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:15:45,248 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;@300b5119, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:15:45,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:15:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 61 states have (on average 1.6557377049180328) internal successors, (101), 64 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 02:15:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 02:15:45,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:45,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:15:45,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:45,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash 228954221, now seen corresponding path program 1 times [2023-11-29 02:15:45,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:45,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347891811] [2023-11-29 02:15:45,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:15:45,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:15:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:15:45,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:15:45,400 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:15:45,401 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-29 02:15:45,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-29 02:15:45,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:15:45,408 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 02:15:45,412 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:15:45,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:15:45 BoogieIcfgContainer [2023-11-29 02:15:45,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:15:45,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:15:45,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:15:45,430 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:15:45,430 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:45" (3/4) ... [2023-11-29 02:15:45,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:15:45,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:15:45,435 INFO L158 Benchmark]: Toolchain (without parser) took 1115.79ms. Allocated memory is still 115.3MB. Free memory was 71.5MB in the beginning and 65.3MB in the end (delta: 6.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,435 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:15:45,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 115.3MB. Free memory was 71.2MB in the beginning and 56.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.08ms. Allocated memory is still 115.3MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,437 INFO L158 Benchmark]: Boogie Preprocessor took 42.67ms. Allocated memory is still 115.3MB. Free memory was 54.7MB in the beginning and 52.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,438 INFO L158 Benchmark]: RCFGBuilder took 472.58ms. Allocated memory is still 115.3MB. Free memory was 52.3MB in the beginning and 80.0MB in the end (delta: -27.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,438 INFO L158 Benchmark]: TraceAbstraction took 263.71ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 65.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:15:45,439 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 115.3MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:15:45,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 115.3MB. Free memory was 71.2MB in the beginning and 56.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.08ms. Allocated memory is still 115.3MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.67ms. Allocated memory is still 115.3MB. Free memory was 54.7MB in the beginning and 52.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.58ms. Allocated memory is still 115.3MB. Free memory was 52.3MB in the beginning and 80.0MB in the end (delta: -27.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 263.71ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 65.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 115.3MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 2.6kB). 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: 48]: 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 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=53, x=53] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=53, x=53] [L48] reach_error() VAL [IN=53, x=53] - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 2 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=71occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 02:15:45,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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_8d98a733-e214-4195-8d74-360efbc7ad4b/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 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:15:47,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:15:47,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:15:47,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:15:47,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:15:47,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:15:47,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:15:47,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:15:47,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:15:47,448 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:15:47,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:15:47,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:15:47,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:15:47,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:15:47,451 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:15:47,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:15:47,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:15:47,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:15:47,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:15:47,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:15:47,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:15:47,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:15:47,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:15:47,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:15:47,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:15:47,457 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:15:47,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:15:47,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:15:47,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:15:47,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:15:47,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:15:47,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:15:47,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:15:47,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:15:47,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:15:47,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:15:47,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:15:47,461 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:15:47,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:15:47,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:15:47,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:15:47,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:15:47,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:15:47,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:15:47,463 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:15:47,463 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_8d98a733-e214-4195-8d74-360efbc7ad4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31369bad6f1c83c546d17a52fbf2014a6a82af248db1b4a737df8b889fc9cfdd [2023-11-29 02:15:47,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:15:47,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:15:47,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:15:47,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:15:47,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:15:47,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:50,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:15:50,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:15:50,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:50,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/f191da41b/ace80d26670f4151ad4a16ba4f2e1e8d/FLAGcd71e40ea [2023-11-29 02:15:50,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/data/f191da41b/ace80d26670f4151ad4a16ba4f2e1e8d [2023-11-29 02:15:50,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:15:50,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:15:50,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:15:50,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:15:50,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:15:50,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:15:50" (1/1) ... [2023-11-29 02:15:50,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69346b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:50, skipping insertion in model container [2023-11-29 02:15:50,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:15:50" (1/1) ... [2023-11-29 02:15:50,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:15:51,055 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-29 02:15:51,060 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-29 02:15:51,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:15:51,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:15:51,126 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2023-11-29 02:15:51,128 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_8d98a733-e214-4195-8d74-360efbc7ad4b/sv-benchmarks/c/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2023-11-29 02:15:51,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:15:51,170 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:15:51,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51 WrapperNode [2023-11-29 02:15:51,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:15:51,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:15:51,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:15:51,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:15:51,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,214 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-29 02:15:51,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:15:51,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:15:51,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:15:51,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:15:51,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,245 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:15:51,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:15:51,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:15:51,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:15:51,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:15:51,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (1/1) ... [2023-11-29 02:15:51,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:15:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:51,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:15:51,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:15:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:15:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:15:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-29 02:15:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-29 02:15:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:15:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:15:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 02:15:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 02:15:51,456 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:15:51,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:15:55,934 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:15:55,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:15:55,959 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:15:55,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:55 BoogieIcfgContainer [2023-11-29 02:15:55,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:15:55,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:15:55,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:15:55,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:15:55,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:15:50" (1/3) ... [2023-11-29 02:15:55,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5468f4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:15:55, skipping insertion in model container [2023-11-29 02:15:55,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:15:51" (2/3) ... [2023-11-29 02:15:55,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5468f4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:15:55, skipping insertion in model container [2023-11-29 02:15:55,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:55" (3/3) ... [2023-11-29 02:15:55,969 INFO L112 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_3a.c.cil.c [2023-11-29 02:15:55,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:15:55,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:15:56,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:15:56,039 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;@2bfaa243, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:15:56,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:15:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 47 states have internal predecessors, (72), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 02:15:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 02:15:56,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:56,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:15:56,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:56,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:56,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1825724097, now seen corresponding path program 1 times [2023-11-29 02:15:56,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:15:56,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627986136] [2023-11-29 02:15:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:56,063 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 02:15:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:15:56,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:15:56,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:15:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:56,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:15:56,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:56,635 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 02:15:56,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:15:56,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:15:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627986136] [2023-11-29 02:15:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627986136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:56,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:56,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:15:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794793672] [2023-11-29 02:15:56,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:56,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:15:56,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:15:56,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:15:56,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:15:56,676 INFO L87 Difference]: Start difference. First operand has 54 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 47 states have internal predecessors, (72), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 02:15:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:56,733 INFO L93 Difference]: Finished difference Result 104 states and 162 transitions. [2023-11-29 02:15:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:15:56,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-29 02:15:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:56,746 INFO L225 Difference]: With dead ends: 104 [2023-11-29 02:15:56,746 INFO L226 Difference]: Without dead ends: 48 [2023-11-29 02:15:56,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:15:56,755 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:56,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:15:56,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-29 02:15:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-29 02:15:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.45) internal successors, (58), 41 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:15:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2023-11-29 02:15:56,803 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 6 [2023-11-29 02:15:56,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:56,804 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2023-11-29 02:15:56,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 02:15:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2023-11-29 02:15:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 02:15:56,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:56,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:15:56,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:15:57,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:15:57,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:57,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1825664515, now seen corresponding path program 1 times [2023-11-29 02:15:57,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:15:57,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206082664] [2023-11-29 02:15:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:57,011 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 02:15:57,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:15:57,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:15:57,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:16:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:16:20,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:19:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:19:50,921 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 02:19:50,922 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:19:50,923 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-29 02:19:50,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-29 02:19:50,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:19:51,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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 02:19:51,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:19:51,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:19:51,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:19:51 BoogieIcfgContainer [2023-11-29 02:19:51,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:19:51,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:19:51,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:19:51,148 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:19:51,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:15:55" (3/4) ... [2023-11-29 02:19:51,149 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 02:19:51,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:19:51,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:19:51,183 INFO L158 Benchmark]: Toolchain (without parser) took 240354.06ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 58.3MB in the end (delta: 16.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,183 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:19:51,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 60.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.48ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,185 INFO L158 Benchmark]: Boogie Preprocessor took 52.70ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,186 INFO L158 Benchmark]: RCFGBuilder took 4690.62ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 61.0MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,186 INFO L158 Benchmark]: TraceAbstraction took 235184.61ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 59.8MB in the end (delta: 499.8kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,186 INFO L158 Benchmark]: Witness Printer took 34.56ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:19:51,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 60.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.48ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.70ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4690.62ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 61.0MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 235184.61ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 59.8MB in the end (delta: 499.8kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 34.56ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L48] reach_error() VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 54 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 235.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 23.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 1 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 02:19:51,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d98a733-e214-4195-8d74-360efbc7ad4b/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