./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX --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 fbed63e7ceb32b7a0e8cf5dc0c27da185670168d6f706e37fa0256a1876a7a11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:05:12,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:05:12,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:05:12,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:05:12,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:05:12,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:05:12,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:05:12,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:05:12,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:05:12,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:05:12,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:05:12,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:05:12,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:05:12,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:05:12,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:05:12,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:05:12,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:05:12,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:05:12,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:05:12,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:05:12,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:05:12,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:05:12,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:05:12,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:05:12,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:05:12,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:05:12,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:05:12,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:05:12,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:05:12,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:05:12,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:05:12,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:05:12,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:12,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:05:12,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:05:12,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:05:12,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:05:12,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:05:12,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:05:12,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:05:12,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:05:12,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:05:12,897 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_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbed63e7ceb32b7a0e8cf5dc0c27da185670168d6f706e37fa0256a1876a7a11 [2024-11-08 16:05:13,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:05:13,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:05:13,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:05:13,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:05:13,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:05:13,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i Unable to find full path for "g++" [2024-11-08 16:05:15,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:05:15,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:05:15,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i [2024-11-08 16:05:15,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/b629c4775/95dddba94c5b4591b5a0a931073ffde0/FLAG199f8c900 [2024-11-08 16:05:15,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/b629c4775/95dddba94c5b4591b5a0a931073ffde0 [2024-11-08 16:05:15,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:05:15,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:05:15,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:15,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:05:15,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:05:15,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:15" (1/1) ... [2024-11-08 16:05:15,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a54163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:15, skipping insertion in model container [2024-11-08 16:05:15,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:15" (1/1) ... [2024-11-08 16:05:15,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:05:15,902 WARN L250 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_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i[916,929] [2024-11-08 16:05:15,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:15,979 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:05:15,997 WARN L250 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_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i[916,929] [2024-11-08 16:05:16,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:16,063 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:05:16,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16 WrapperNode [2024-11-08 16:05:16,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:16,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:16,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:05:16,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:05:16,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,133 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-08 16:05:16,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:16,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:05:16,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:05:16,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:05:16,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,179 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]. [2024-11-08 16:05:16,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:05:16,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:05:16,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:05:16,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:05:16,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (1/1) ... [2024-11-08 16:05:16,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:16,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:05:16,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:05:16,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:05:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:05:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:05:16,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:05:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:05:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:05:16,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:05:16,399 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:05:16,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:05:16,709 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:05:16,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:05:16,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:05:16,723 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:05:16,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:16 BoogieIcfgContainer [2024-11-08 16:05:16,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:05:16,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:05:16,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:05:16,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:05:16,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:05:15" (1/3) ... [2024-11-08 16:05:16,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e31164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:16, skipping insertion in model container [2024-11-08 16:05:16,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:16" (2/3) ... [2024-11-08 16:05:16,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e31164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:16, skipping insertion in model container [2024-11-08 16:05:16,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:16" (3/3) ... [2024-11-08 16:05:16,735 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-24.i [2024-11-08 16:05:16,750 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:05:16,751 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:05:16,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:05:16,819 INFO L333 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, 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;@26844769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:05:16,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:05:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:05:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:05:16,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:16,838 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:16,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:05:16,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:16,845 INFO L85 PathProgramCache]: Analyzing trace with hash 233931836, now seen corresponding path program 1 times [2024-11-08 16:05:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:16,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350662797] [2024-11-08 16:05:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:05:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:05:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:05:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:05:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:05:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:05:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:05:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:05:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:05:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:05:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:05:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:05:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:05:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:05:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:05:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:05:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 16:05:17,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350662797] [2024-11-08 16:05:17,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350662797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:17,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:17,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:05:17,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874469484] [2024-11-08 16:05:17,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:17,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:05:17,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:17,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:05:17,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:05:17,341 INFO L87 Difference]: Start difference. First operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:05:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:17,367 INFO L93 Difference]: Finished difference Result 89 states and 150 transitions. [2024-11-08 16:05:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:05:17,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-08 16:05:17,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:17,402 INFO L225 Difference]: With dead ends: 89 [2024-11-08 16:05:17,402 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 16:05:17,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:05:17,413 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:17,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:05:17,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 16:05:17,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 16:05:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:05:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-08 16:05:17,464 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 101 [2024-11-08 16:05:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:17,464 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-08 16:05:17,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:05:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-08 16:05:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:05:17,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:17,469 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:17,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:05:17,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:05:17,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:17,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2139006012, now seen corresponding path program 1 times [2024-11-08 16:05:17,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:17,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540095582] [2024-11-08 16:05:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:05:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:05:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:05:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:05:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:05:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:05:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:05:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:05:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:05:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:05:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:05:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:05:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:05:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:05:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:05:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:05:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 16:05:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:05:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540095582] [2024-11-08 16:05:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540095582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:05:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517684659] [2024-11-08 16:05:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:18,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:05:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:05:18,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:05:18,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:05:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:18,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:05:18,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:05:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 242 proven. 24 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-08 16:05:18,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:05:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 16:05:19,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517684659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:05:19,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:05:19,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-11-08 16:05:19,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263482088] [2024-11-08 16:05:19,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:05:19,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:05:19,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:05:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:05:19,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:05:19,047 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 16:05:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:20,182 INFO L93 Difference]: Finished difference Result 198 states and 265 transitions. [2024-11-08 16:05:20,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-08 16:05:20,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 101 [2024-11-08 16:05:20,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:20,186 INFO L225 Difference]: With dead ends: 198 [2024-11-08 16:05:20,187 INFO L226 Difference]: Without dead ends: 157 [2024-11-08 16:05:20,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=366, Invalid=966, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 16:05:20,189 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 165 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:20,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 249 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:05:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-08 16:05:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 101. [2024-11-08 16:05:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 62 states have internal predecessors, (68), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 16:05:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2024-11-08 16:05:20,235 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 101 [2024-11-08 16:05:20,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:20,236 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-08 16:05:20,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 16:05:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2024-11-08 16:05:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:05:20,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:20,245 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:20,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:05:20,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 16:05:20,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:05:20,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:20,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1329659386, now seen corresponding path program 1 times [2024-11-08 16:05:20,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:05:20,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085568329] [2024-11-08 16:05:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:20,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:05:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:05:20,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:05:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:05:20,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:05:20,679 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:05:20,681 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:05:20,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:05:20,687 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 16:05:20,788 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:05:20,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:05:20 BoogieIcfgContainer [2024-11-08 16:05:20,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:05:20,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:05:20,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:05:20,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:05:20,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:16" (3/4) ... [2024-11-08 16:05:20,802 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:05:20,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:05:20,804 INFO L158 Benchmark]: Toolchain (without parser) took 5167.23ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 125.5MB in the beginning and 172.5MB in the end (delta: -47.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:05:20,805 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:05:20,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.65ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 110.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:05:20,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 163.6MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:05:20,810 INFO L158 Benchmark]: Boogie Preprocessor took 70.75ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 105.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:05:20,810 INFO L158 Benchmark]: RCFGBuilder took 518.04ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 89.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:05:20,811 INFO L158 Benchmark]: TraceAbstraction took 4066.25ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 88.7MB in the beginning and 172.5MB in the end (delta: -83.7MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-08 16:05:20,814 INFO L158 Benchmark]: Witness Printer took 9.73ms. Allocated memory is still 205.5MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:05:20,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.65ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 110.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 163.6MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.75ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 105.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 518.04ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 89.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4066.25ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 88.7MB in the beginning and 172.5MB in the end (delta: -83.7MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 9.73ms. Allocated memory is still 205.5MB. Free memory is still 172.5MB. 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: 19]: 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 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_4 = 16; [L25] signed char var_1_5 = 4; [L26] signed char var_1_6 = 0; [L27] unsigned short int var_1_7 = 0; [L28] unsigned short int var_1_10 = 55182; [L29] unsigned char var_1_12 = 0; [L30] unsigned char var_1_14 = 1; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 100; [L33] signed long int var_1_17 = 2; [L34] signed long int var_1_18 = 199; [L35] signed char var_1_19 = -128; VAL [isInitial=0, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L64] var_1_4 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L65] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L66] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L66] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L67] var_1_5 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L69] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L69] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=0, var_1_7=0] [L70] var_1_6 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L71] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L72] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L72] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L73] var_1_10 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L74] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L75] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L75] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L77] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L78] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L78] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L79] var_1_15 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L80] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L81] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L81] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=199, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L82] var_1_18 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_18 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L83] RET assume_abort_if_not(var_1_18 >= -2147483648) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L84] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L84] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L97] RET updateVariables() [L98] CALL step() [L39] COND FALSE !(! var_1_2) [L42] var_1_12 = ((! var_1_15) || (! (! 0))) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=2, var_1_18=0, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L44] var_1_16 = var_1_5 [L45] var_1_17 = var_1_18 [L46] var_1_19 = var_1_4 VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=32, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L47] COND FALSE !(var_1_12 || (64.75f < var_1_17)) [L54] var_1_1 = var_1_4 VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=5, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=0] [L56] COND TRUE (((((var_1_17 * 127.75)) > ((var_1_17 / 3.4))) ? ((var_1_17 * 127.75)) : ((var_1_17 / 3.4)))) >= var_1_17 [L57] var_1_7 = (((((var_1_10 - (22925 - var_1_5))) < (var_1_16)) ? ((var_1_10 - (22925 - var_1_5))) : (var_1_16))) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=5, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=4] [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return ((((((var_1_12 || (64.75f < var_1_17)) ? (var_1_12 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) ((((((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) < (var_1_6)) ? (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_4))) && (((((((var_1_17 * 127.75)) > ((var_1_17 / 3.4))) ? ((var_1_17 * 127.75)) : ((var_1_17 / 3.4)))) >= var_1_17) ? (var_1_7 == ((unsigned short int) (((((var_1_10 - (22925 - var_1_5))) < (var_1_16)) ? ((var_1_10 - (22925 - var_1_5))) : (var_1_16))))) : 1)) && ((! var_1_2) ? (var_1_12 == ((unsigned char) var_1_14)) : (var_1_12 == ((unsigned char) ((! var_1_15) || (! (! 0))))))) && (var_1_16 == ((unsigned char) var_1_5))) && (var_1_17 == ((signed long int) var_1_18))) && (var_1_19 == ((signed char) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=5, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=4] [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=5, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=4] [L19] reach_error() VAL [isInitial=1, var_1_10=32767, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=0, var_1_18=0, var_1_19=5, var_1_1=5, var_1_2=1, var_1_4=5, var_1_5=4, var_1_6=-127, var_1_7=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 312 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 302 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 139 mSDtfsCounter, 302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=2, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 1 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1866/1920 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 [2024-11-08 16:05:20,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX --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 fbed63e7ceb32b7a0e8cf5dc0c27da185670168d6f706e37fa0256a1876a7a11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:05:23,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:05:23,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:05:23,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:05:23,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:05:23,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:05:23,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:05:23,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:05:23,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:05:23,641 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:05:23,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:05:23,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:05:23,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:05:23,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:05:23,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:05:23,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:05:23,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:05:23,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:05:23,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:05:23,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:05:23,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:05:23,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:05:23,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:05:23,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:05:23,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:05:23,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:05:23,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:05:23,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:05:23,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:05:23,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:05:23,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:05:23,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:05:23,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:05:23,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:05:23,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:23,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:05:23,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:05:23,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:05:23,661 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:05:23,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:05:23,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:05:23,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:05:23,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:05:23,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:05:23,672 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_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbed63e7ceb32b7a0e8cf5dc0c27da185670168d6f706e37fa0256a1876a7a11 [2024-11-08 16:05:24,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:05:24,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:05:24,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:05:24,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:05:24,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:05:24,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i Unable to find full path for "g++" [2024-11-08 16:05:26,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:05:26,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:05:26,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i [2024-11-08 16:05:26,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/4d0e0c714/778900e1dd3b40bcb1866a40429c110f/FLAGb09da4f3c [2024-11-08 16:05:27,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/data/4d0e0c714/778900e1dd3b40bcb1866a40429c110f [2024-11-08 16:05:27,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:05:27,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:05:27,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:27,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:05:27,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:05:27,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55995e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27, skipping insertion in model container [2024-11-08 16:05:27,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:05:27,514 WARN L250 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_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i[916,929] [2024-11-08 16:05:27,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:27,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:05:27,633 WARN L250 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_625c011e-c448-4f9f-905d-26cc369b631a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-24.i[916,929] [2024-11-08 16:05:27,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:05:27,742 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:05:27,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27 WrapperNode [2024-11-08 16:05:27,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:05:27,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:27,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:05:27,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:05:27,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,813 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-08 16:05:27,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:05:27,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:05:27,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:05:27,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:05:27,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,853 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]. [2024-11-08 16:05:27,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:05:27,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:05:27,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:05:27,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:05:27,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (1/1) ... [2024-11-08 16:05:27,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:05:27,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:05:27,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:05:27,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:05:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:05:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:05:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:05:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:05:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:05:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:05:28,100 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:05:28,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:05:37,574 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:05:37,574 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:05:37,595 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:05:37,599 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:05:37,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:37 BoogieIcfgContainer [2024-11-08 16:05:37,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:05:37,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:05:37,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:05:37,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:05:37,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:05:27" (1/3) ... [2024-11-08 16:05:37,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a317be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:37, skipping insertion in model container [2024-11-08 16:05:37,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:05:27" (2/3) ... [2024-11-08 16:05:37,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a317be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:05:37, skipping insertion in model container [2024-11-08 16:05:37,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:05:37" (3/3) ... [2024-11-08 16:05:37,615 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-24.i [2024-11-08 16:05:37,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:05:37,639 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:05:37,701 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:05:37,707 INFO L333 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, 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;@25ca5c7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:05:37,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:05:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:05:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:05:37,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:37,723 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:37,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:05:37,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:37,728 INFO L85 PathProgramCache]: Analyzing trace with hash 233931836, now seen corresponding path program 1 times [2024-11-08 16:05:37,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:05:37,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269306305] [2024-11-08 16:05:37,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:37,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:05:37,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:05:37,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:05:37,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:05:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:38,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:05:38,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:05:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-08 16:05:38,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:05:38,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:05:38,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269306305] [2024-11-08 16:05:38,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269306305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:05:38,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:05:38,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:05:38,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682804326] [2024-11-08 16:05:38,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:05:38,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:05:38,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:05:38,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:05:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:05:38,836 INFO L87 Difference]: Start difference. First operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:05:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:05:38,881 INFO L93 Difference]: Finished difference Result 89 states and 150 transitions. [2024-11-08 16:05:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:05:38,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-08 16:05:38,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:05:38,910 INFO L225 Difference]: With dead ends: 89 [2024-11-08 16:05:38,911 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 16:05:38,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:05:38,919 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:05:38,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:05:38,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 16:05:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 16:05:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:05:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-08 16:05:38,976 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 101 [2024-11-08 16:05:38,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:05:38,977 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-08 16:05:38,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:05:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-08 16:05:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:05:38,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:05:38,982 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:05:38,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:05:39,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:05:39,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:05:39,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:05:39,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2139006012, now seen corresponding path program 1 times [2024-11-08 16:05:39,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:05:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51541085] [2024-11-08 16:05:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:05:39,186 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 [2024-11-08 16:05:39,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:05:39,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:05:39,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:05:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:05:40,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:05:40,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:05:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 242 proven. 24 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-08 16:05:42,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:05:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 16:05:43,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:05:43,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51541085] [2024-11-08 16:05:43,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51541085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:05:43,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:05:43,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-08 16:05:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960222403] [2024-11-08 16:05:43,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:05:43,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:05:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:05:43,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:05:43,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:05:43,792 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 16:05:50,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:05:54,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:05:56,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:06:00,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:06:00,876 INFO L93 Difference]: Finished difference Result 194 states and 262 transitions. [2024-11-08 16:06:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-08 16:06:00,877 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 101 [2024-11-08 16:06:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:06:00,880 INFO L225 Difference]: With dead ends: 194 [2024-11-08 16:06:00,880 INFO L226 Difference]: Without dead ends: 153 [2024-11-08 16:06:00,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 16:06:00,882 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 148 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:06:00,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 265 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 330 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2024-11-08 16:06:00,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-08 16:06:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 55. [2024-11-08 16:06:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:06:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2024-11-08 16:06:00,918 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 72 transitions. Word has length 101 [2024-11-08 16:06:00,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:06:00,922 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 72 transitions. [2024-11-08 16:06:00,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-08 16:06:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2024-11-08 16:06:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:06:00,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:06:00,927 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:06:00,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:06:01,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:06:01,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:06:01,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:06:01,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1329659386, now seen corresponding path program 1 times [2024-11-08 16:06:01,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:06:01,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416066508] [2024-11-08 16:06:01,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:06:01,130 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 [2024-11-08 16:06:01,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:06:01,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:06:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625c011e-c448-4f9f-905d-26cc369b631a/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:06:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:06:02,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:06:02,084 INFO L278 TraceCheckSpWp]: Computing forward predicates...