./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC --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 a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:26:22,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:26:22,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:26:22,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:26:22,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:26:22,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:26:22,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:26:22,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:26:22,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:26:22,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:26:22,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:26:22,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:26:22,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:26:22,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:26:22,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:26:22,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:26:22,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:26:22,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:26:22,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:26:22,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:26:22,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:26:22,794 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:26:22,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:26:22,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:26:22,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:26:22,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:26:22,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:26:22,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:22,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:26:22,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:26:22,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:26:22,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:22,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:26:22,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:26:22,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:26:22,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:26:22,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:26:22,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:26:22,798 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC 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 -> a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e [2024-11-23 23:26:23,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:26:23,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:26:23,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:26:23,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:26:23,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:26:23,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:26,591 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/cd0d68d18/a5ed649e0d7949afbc965ce73d3dc6c2/FLAG7d12f27c3 [2024-11-23 23:26:26,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:26:26,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:26,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/cd0d68d18/a5ed649e0d7949afbc965ce73d3dc6c2/FLAG7d12f27c3 [2024-11-23 23:26:27,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/cd0d68d18/a5ed649e0d7949afbc965ce73d3dc6c2 [2024-11-23 23:26:27,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:26:27,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:26:27,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:26:27,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:26:27,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:26:27,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b22dda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27, skipping insertion in model container [2024-11-23 23:26:27,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:26:27,271 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-23 23:26:27,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:26:27,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:26:27,382 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-23 23:26:27,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:26:27,450 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:26:27,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27 WrapperNode [2024-11-23 23:26:27,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:26:27,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:26:27,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:26:27,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:26:27,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,499 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-23 23:26:27,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:26:27,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:26:27,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:26:27,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:26:27,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,546 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]. [2024-11-23 23:26:27,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:26:27,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:26:27,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:26:27,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:26:27,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (1/1) ... [2024-11-23 23:26:27,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:27,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:26:27,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:26:27,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:26:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:26:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:26:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:26:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:26:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:26:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:26:27,750 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:26:27,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:26:28,031 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:26:28,031 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:26:28,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:26:28,050 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:26:28,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:28 BoogieIcfgContainer [2024-11-23 23:26:28,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:26:28,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:26:28,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:26:28,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:26:28,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:26:27" (1/3) ... [2024-11-23 23:26:28,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a45f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:28, skipping insertion in model container [2024-11-23 23:26:28,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:27" (2/3) ... [2024-11-23 23:26:28,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a45f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:28, skipping insertion in model container [2024-11-23 23:26:28,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:28" (3/3) ... [2024-11-23 23:26:28,067 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:28,086 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:26:28,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:26:28,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:26:28,192 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;@44016001, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:26:28,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:26:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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) [2024-11-23 23:26:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:28,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:28,214 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:28,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:28,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-11-23 23:26:28,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:26:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177654682] [2024-11-23 23:26:28,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:26:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:26:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:26:28,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177654682] [2024-11-23 23:26:28,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177654682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:26:28,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710244671] [2024-11-23 23:26:28,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:26:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:26:28,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:26:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:26:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:28,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:26:28,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:26:28,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:28,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710244671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:28,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:26:28,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:26:29,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277395228] [2024-11-23 23:26:29,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:29,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:26:29,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:26:29,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:26:29,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:26:29,040 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:26:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:29,079 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-23 23:26:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:26:29,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 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 104 [2024-11-23 23:26:29,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:29,091 INFO L225 Difference]: With dead ends: 97 [2024-11-23 23:26:29,091 INFO L226 Difference]: Without dead ends: 48 [2024-11-23 23:26:29,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:26:29,099 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2024-11-23 23:26:29,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:26:29,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-23 23:26:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-23 23:26:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2024-11-23 23:26:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-23 23:26:29,146 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-11-23 23:26:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:29,146 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-23 23:26:29,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:26:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-23 23:26:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:29,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:29,151 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:29,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:26:29,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:26:29,352 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:29,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:29,353 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-11-23 23:26:29,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:26:29,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367928250] [2024-11-23 23:26:29,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:26:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:26:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:26:29,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367928250] [2024-11-23 23:26:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367928250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:29,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:26:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176119070] [2024-11-23 23:26:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:29,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:26:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:26:29,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:26:29,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:26:29,878 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:26:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:29,931 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-11-23 23:26:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:26:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-23 23:26:29,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:29,935 INFO L225 Difference]: With dead ends: 138 [2024-11-23 23:26:29,935 INFO L226 Difference]: Without dead ends: 93 [2024-11-23 23:26:29,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:26:29,937 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:29,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:26:29,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-23 23:26:29,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-11-23 23:26:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 23:26:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-23 23:26:29,969 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-11-23 23:26:29,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:29,970 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-23 23:26:29,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:26:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-23 23:26:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:29,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:29,972 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:29,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:26:29,973 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:29,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:29,974 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-11-23 23:26:29,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:26:29,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848292301] [2024-11-23 23:26:29,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:26:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:26:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:26:30,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848292301] [2024-11-23 23:26:30,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848292301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:26:30,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312062054] [2024-11-23 23:26:30,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:30,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:26:30,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:26:30,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:26:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:26:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:30,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:26:30,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-23 23:26:31,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:26:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:26:31,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312062054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:26:31,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:26:31,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-23 23:26:31,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390121820] [2024-11-23 23:26:31,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:26:31,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:26:31,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:26:31,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:26:31,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:26:31,576 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:26:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:31,867 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-23 23:26:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:26:31,868 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-11-23 23:26:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:31,870 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:26:31,870 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:26:31,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:26:31,872 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:31,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 110 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:26:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:26:31,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-23 23:26:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 23:26:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-23 23:26:31,897 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-11-23 23:26:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:31,897 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-23 23:26:31,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:26:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-23 23:26:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:31,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:31,900 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:31,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:26:32,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:26:32,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:32,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-11-23 23:26:32,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:26:32,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953294973] [2024-11-23 23:26:32,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:26:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:26:32,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:26:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:26:32,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:26:32,362 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:26:32,364 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:26:32,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:26:32,374 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 23:26:32,488 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:26:32,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:26:32 BoogieIcfgContainer [2024-11-23 23:26:32,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:26:32,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:26:32,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:26:32,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:26:32,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:28" (3/4) ... [2024-11-23 23:26:32,503 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:26:32,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:26:32,507 INFO L158 Benchmark]: Toolchain (without parser) took 5480.86ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.6MB in the end (delta: 11.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-23 23:26:32,507 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:26:32,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.07ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:26:32,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.05ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:26:32,509 INFO L158 Benchmark]: Boogie Preprocessor took 71.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:26:32,510 INFO L158 Benchmark]: RCFGBuilder took 479.05ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:26:32,511 INFO L158 Benchmark]: TraceAbstraction took 4442.03ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 81.7MB in the end (delta: -21.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-23 23:26:32,512 INFO L158 Benchmark]: Witness Printer took 9.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 21.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:26:32,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.07ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.05ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.05ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4442.03ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 81.7MB in the end (delta: -21.8MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 9.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 21.1kB). Peak memory consumption was 8.4MB. 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 someUnaryDOUBLEoperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] signed long int var_1_6 = -64; [L26] signed long int var_1_7 = -5; [L27] signed long int var_1_8 = 500; [L28] signed long int var_1_9 = -5; [L29] signed long int var_1_10 = -100; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 127.5; [L32] double var_1_13 = 15.75; [L33] double var_1_14 = -0.5; [L34] double var_1_15 = 5.25; [L35] double var_1_16 = 8.5; [L36] unsigned char last_1_var_1_11 = 1; VAL [isInitial=0, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L102] isInitial = 1 [L103] FCALL initially() [L105] CALL updateLastVariables() [L95] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L74] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L77] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 >= -536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 <= 536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L86] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L87] var_1_14 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L88] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L89] var_1_15 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L90] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L92] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L41] COND FALSE !(! last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L46] signed long int stepLocal_2 = var_1_7; [L47] signed long int stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, stepLocal_2=-1073741823, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L48] COND FALSE !(var_1_8 <= stepLocal_2) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L55] COND FALSE !(! var_1_11) [L58] var_1_6 = ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L60] COND FALSE !(\read(var_1_4)) [L63] var_1_12 = var_1_15 VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : 1) : 1) && ((! var_1_11) ? (var_1_6 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_6 == ((signed long int) ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7))))) && ((var_1_8 <= var_1_7) ? ((var_1_10 >= var_1_9) ? (var_1_11 == ((unsigned char) (! var_1_5))) : (var_1_11 == ((unsigned char) (var_1_1 || (! var_1_5))))) : 1)) && (var_1_4 ? (var_1_12 == ((double) (((((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) < ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))))))) ? ((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) : ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16)))))))))) : (var_1_12 == ((double) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 183 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 1304 SizeOfPredicates, 1 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 2724/2880 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:26:32,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC --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 a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:26:35,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:26:35,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:26:35,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:26:35,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:26:36,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:26:36,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:26:36,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:26:36,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:26:36,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:26:36,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:26:36,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:26:36,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:26:36,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:26:36,022 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:26:36,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:26:36,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:26:36,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:26:36,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:26:36,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:26:36,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:36,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:26:36,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:26:36,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:26:36,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:26:36,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:36,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:26:36,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:26:36,030 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:26:36,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:26:36,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:26:36,032 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC 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 -> a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e [2024-11-23 23:26:36,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:26:36,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:26:36,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:26:36,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:26:36,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:26:36,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:39,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/e93fa8f5f/012695e8be82450389364b2c927ac94b/FLAGd4c62b134 [2024-11-23 23:26:40,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:26:40,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:40,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/e93fa8f5f/012695e8be82450389364b2c927ac94b/FLAGd4c62b134 [2024-11-23 23:26:40,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/data/e93fa8f5f/012695e8be82450389364b2c927ac94b [2024-11-23 23:26:40,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:26:40,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:26:40,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:26:40,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:26:40,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:26:40,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701437e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40, skipping insertion in model container [2024-11-23 23:26:40,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:26:40,524 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-23 23:26:40,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:26:40,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:26:40,662 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_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-23 23:26:40,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:26:40,744 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:26:40,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40 WrapperNode [2024-11-23 23:26:40,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:26:40,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:26:40,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:26:40,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:26:40,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,817 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-23 23:26:40,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:26:40,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:26:40,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:26:40,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:26:40,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,870 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]. [2024-11-23 23:26:40,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:26:40,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:26:40,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:26:40,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:26:40,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (1/1) ... [2024-11-23 23:26:40,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:26:40,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:26:40,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:26:40,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:26:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:26:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:26:41,128 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:26:41,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:26:42,088 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:26:42,089 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:26:42,100 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:26:42,101 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:26:42,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:42 BoogieIcfgContainer [2024-11-23 23:26:42,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:26:42,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:26:42,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:26:42,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:26:42,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:26:40" (1/3) ... [2024-11-23 23:26:42,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5683209a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:42, skipping insertion in model container [2024-11-23 23:26:42,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:40" (2/3) ... [2024-11-23 23:26:42,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5683209a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:42, skipping insertion in model container [2024-11-23 23:26:42,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:42" (3/3) ... [2024-11-23 23:26:42,114 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-23 23:26:42,130 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:26:42,132 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:26:42,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:26:42,211 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;@6ad7501a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:26:42,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:26:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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) [2024-11-23 23:26:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:42,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:42,229 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:42,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:42,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:42,237 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-11-23 23:26:42,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:42,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991683866] [2024-11-23 23:26:42,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:42,251 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 [2024-11-23 23:26:42,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:42,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:26:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:42,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:26:42,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-23 23:26:42,717 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:42,718 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:42,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991683866] [2024-11-23 23:26:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991683866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:42,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:42,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:26:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445541137] [2024-11-23 23:26:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:42,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:26:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:42,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:26:42,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:26:42,751 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-23 23:26:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:42,780 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-23 23:26:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:26:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 104 [2024-11-23 23:26:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:42,790 INFO L225 Difference]: With dead ends: 97 [2024-11-23 23:26:42,790 INFO L226 Difference]: Without dead ends: 48 [2024-11-23 23:26:42,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:26:42,797 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2024-11-23 23:26:42,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:26:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-23 23:26:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-23 23:26:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2024-11-23 23:26:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-23 23:26:42,851 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-11-23 23:26:42,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:42,852 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-23 23:26:42,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-23 23:26:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-23 23:26:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:42,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:42,857 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:42,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-23 23:26:43,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:43,058 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:43,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:43,059 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-11-23 23:26:43,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:43,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495091420] [2024-11-23 23:26:43,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:43,062 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 [2024-11-23 23:26:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:43,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:26:43,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:43,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:26:43,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:26:43,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:26:43,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495091420] [2024-11-23 23:26:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495091420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:26:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:26:43,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:26:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276592023] [2024-11-23 23:26:43,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:26:43,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:26:43,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:43,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:26:43,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:26:43,896 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:26:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:44,312 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-11-23 23:26:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:26:44,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-23 23:26:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:44,317 INFO L225 Difference]: With dead ends: 138 [2024-11-23 23:26:44,317 INFO L226 Difference]: Without dead ends: 93 [2024-11-23 23:26:44,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:26:44,319 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:44,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:26:44,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-23 23:26:44,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-11-23 23:26:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 23:26:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-23 23:26:44,370 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-11-23 23:26:44,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:44,373 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-23 23:26:44,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:26:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-23 23:26:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:44,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:44,377 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:44,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:44,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:44,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:44,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:44,579 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-11-23 23:26:44,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:44,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569841992] [2024-11-23 23:26:44,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:44,580 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 [2024-11-23 23:26:44,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:44,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:26:44,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:44,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:26:44,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:26:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-23 23:26:45,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:26:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 23:26:45,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:26:45,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569841992] [2024-11-23 23:26:45,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569841992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:26:45,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:26:45,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-23 23:26:45,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963607007] [2024-11-23 23:26:45,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:26:45,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:26:45,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:26:45,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:26:45,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:26:45,771 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:26:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:26:46,758 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-23 23:26:46,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:26:46,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-11-23 23:26:46,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:26:46,773 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:26:46,773 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:26:46,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:26:46,779 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:26:46,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 109 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:26:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:26:46,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-23 23:26:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 23:26:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-23 23:26:46,809 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-11-23 23:26:46,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:26:46,810 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-23 23:26:46,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 23:26:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-23 23:26:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 23:26:46,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:26:46,813 INFO L218 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, 1, 1, 1] [2024-11-23 23:26:46,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 23:26:47,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:26:47,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:26:47,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:26:47,015 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-11-23 23:26:47,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:26:47,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262196529] [2024-11-23 23:26:47,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:26:47,016 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 [2024-11-23 23:26:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:26:47,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:26:47,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89cfd4ae-43c2-4d21-ae77-7512418c9dbf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:26:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:26:47,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 23:26:47,438 INFO L279 TraceCheckSpWp]: Computing forward predicates...