./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 f5e7b53db505841f5aa41f80f3528b6151d35e96b0703d96ae80ad44850e98f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:02:28,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:02:28,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:02:28,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:02:28,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:02:28,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:02:28,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:02:28,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:02:28,868 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:02:28,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:02:28,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:02:28,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:02:28,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:02:28,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:02:28,870 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:02:28,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:02:28,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:02:28,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:02:28,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:02:28,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:02:28,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:02:28,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:02:28,874 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:02:28,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:02:28,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:02:28,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:02:28,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:02:28,875 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 -> f5e7b53db505841f5aa41f80f3528b6151d35e96b0703d96ae80ad44850e98f2 [2024-11-23 23:02:29,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:02:29,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:02:29,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:02:29,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:02:29,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:02:29,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:02:32,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/9f994a9b1/e333cdf3f11243feb39e4a64d2e4e387/FLAG53ba873b7 [2024-11-23 23:02:33,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:02:33,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:02:33,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/9f994a9b1/e333cdf3f11243feb39e4a64d2e4e387/FLAG53ba873b7 [2024-11-23 23:02:33,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/9f994a9b1/e333cdf3f11243feb39e4a64d2e4e387 [2024-11-23 23:02:33,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:02:33,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:02:33,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:02:33,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:02:33,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:02:33,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b4a6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33, skipping insertion in model container [2024-11-23 23:02:33,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:02:33,621 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i[919,932] [2024-11-23 23:02:33,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:02:33,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:02:33,786 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i[919,932] [2024-11-23 23:02:33,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:02:33,889 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:02:33,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33 WrapperNode [2024-11-23 23:02:33,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:02:33,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:02:33,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:02:33,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:02:33,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,969 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2024-11-23 23:02:33,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:02:33,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:02:33,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:02:33,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:02:33,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:33,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,011 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 23:02:34,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:02:34,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:02:34,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:02:34,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:02:34,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (1/1) ... [2024-11-23 23:02:34,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:02:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:02:34,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:02:34,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:02:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:02:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:02:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:02:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:02:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:02:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:02:34,266 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:02:34,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:02:34,818 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 23:02:34,819 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:02:34,833 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:02:34,833 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:02:34,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:34 BoogieIcfgContainer [2024-11-23 23:02:34,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:02:34,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:02:34,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:02:34,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:02:34,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:02:33" (1/3) ... [2024-11-23 23:02:34,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a89a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:02:34, skipping insertion in model container [2024-11-23 23:02:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:02:33" (2/3) ... [2024-11-23 23:02:34,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a89a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:02:34, skipping insertion in model container [2024-11-23 23:02:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:34" (3/3) ... [2024-11-23 23:02:34,846 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:02:34,864 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:02:34,866 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i that has 2 procedures, 83 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:02:34,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:02:34,965 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;@26819b03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:02:34,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:02:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:02:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:02:34,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:34,986 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:34,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:34,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:34,993 INFO L85 PathProgramCache]: Analyzing trace with hash 762329284, now seen corresponding path program 1 times [2024-11-23 23:02:35,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:35,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523033006] [2024-11-23 23:02:35,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 23:02:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:35,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523033006] [2024-11-23 23:02:35,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523033006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:02:35,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147757263] [2024-11-23 23:02:35,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:35,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:02:35,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:02:35,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:02:35,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:02:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:35,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:02:35,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:02:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 23:02:35,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:02:35,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147757263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:35,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:02:35,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:02:35,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756287627] [2024-11-23 23:02:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:35,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:02:35,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:35,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:02:35,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:02:35,868 INFO L87 Difference]: Start difference. First operand has 83 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:02:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:35,915 INFO L93 Difference]: Finished difference Result 158 states and 272 transitions. [2024-11-23 23:02:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:02:35,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-23 23:02:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:35,927 INFO L225 Difference]: With dead ends: 158 [2024-11-23 23:02:35,928 INFO L226 Difference]: Without dead ends: 78 [2024-11-23 23:02:35,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 23:02:35,938 INFO L435 NwaCegarLoop]: 118 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, 118 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 23:02:35,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:02:35,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-23 23:02:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-23 23:02:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:02:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 118 transitions. [2024-11-23 23:02:36,002 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 118 transitions. Word has length 151 [2024-11-23 23:02:36,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:36,004 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 118 transitions. [2024-11-23 23:02:36,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:02:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2024-11-23 23:02:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:02:36,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:36,010 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:36,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:02:36,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:02:36,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:36,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:36,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1812906320, now seen corresponding path program 1 times [2024-11-23 23:02:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726929069] [2024-11-23 23:02:36,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:02:37,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:37,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726929069] [2024-11-23 23:02:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726929069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:37,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:37,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:37,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371484045] [2024-11-23 23:02:37,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:37,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:37,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:37,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:37,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:37,050 INFO L87 Difference]: Start difference. First operand 78 states and 118 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:02:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:37,115 INFO L93 Difference]: Finished difference Result 204 states and 313 transitions. [2024-11-23 23:02:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:37,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-23 23:02:37,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:37,120 INFO L225 Difference]: With dead ends: 204 [2024-11-23 23:02:37,120 INFO L226 Difference]: Without dead ends: 129 [2024-11-23 23:02:37,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 23:02:37,122 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 37 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:37,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 221 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:02:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-23 23:02:37,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2024-11-23 23:02:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:02:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 187 transitions. [2024-11-23 23:02:37,190 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 187 transitions. Word has length 151 [2024-11-23 23:02:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:37,191 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 187 transitions. [2024-11-23 23:02:37,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:02:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 187 transitions. [2024-11-23 23:02:37,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:02:37,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:37,196 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:37,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:02:37,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:37,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:37,198 INFO L85 PathProgramCache]: Analyzing trace with hash 995257870, now seen corresponding path program 1 times [2024-11-23 23:02:37,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:37,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053931892] [2024-11-23 23:02:37,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:02:37,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586018287] [2024-11-23 23:02:37,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:37,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:02:37,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:02:37,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:02:37,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:02:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:37,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 23:02:37,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:02:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-23 23:02:38,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:03:17,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:03:17,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053931892] [2024-11-23 23:03:17,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:03:17,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586018287] [2024-11-23 23:03:17,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586018287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:03:17,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:03:17,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-23 23:03:17,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969641108] [2024-11-23 23:03:17,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:03:17,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:03:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:03:17,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:03:17,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=123, Unknown=8, NotChecked=0, Total=182 [2024-11-23 23:03:17,765 INFO L87 Difference]: Start difference. First operand 124 states and 187 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:22,593 INFO L93 Difference]: Finished difference Result 254 states and 367 transitions. [2024-11-23 23:03:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:03:22,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-23 23:03:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:22,598 INFO L225 Difference]: With dead ends: 254 [2024-11-23 23:03:22,598 INFO L226 Difference]: Without dead ends: 179 [2024-11-23 23:03:22,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=189, Invalid=453, Unknown=8, NotChecked=0, Total=650 [2024-11-23 23:03:22,600 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 110 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:22,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 569 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-23 23:03:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-23 23:03:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 140. [2024-11-23 23:03:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 90 states have internal predecessors, (113), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:03:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2024-11-23 23:03:22,633 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 151 [2024-11-23 23:03:22,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:22,634 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2024-11-23 23:03:22,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2024-11-23 23:03:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:03:22,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:22,639 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:22,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:03:22,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:03:22,843 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:22,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1388284880, now seen corresponding path program 1 times [2024-11-23 23:03:22,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:03:22,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819838379] [2024-11-23 23:03:22,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:22,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:03:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:03:23,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748919366] [2024-11-23 23:03:23,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:23,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:03:23,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:03:23,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:03:23,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:03:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:23,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:03:23,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:03:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-23 23:03:25,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:03:26,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:03:26,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819838379] [2024-11-23 23:03:26,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 23:03:26,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748919366] [2024-11-23 23:03:26,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748919366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:03:26,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:03:26,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-23 23:03:26,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653552142] [2024-11-23 23:03:26,775 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 23:03:26,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:03:26,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:03:26,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:03:26,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:03:26,777 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:28,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:28,444 INFO L93 Difference]: Finished difference Result 272 states and 382 transitions. [2024-11-23 23:03:28,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:03:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-23 23:03:28,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:28,452 INFO L225 Difference]: With dead ends: 272 [2024-11-23 23:03:28,452 INFO L226 Difference]: Without dead ends: 185 [2024-11-23 23:03:28,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:03:28,458 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 92 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:28,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 320 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:03:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-23 23:03:28,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 140. [2024-11-23 23:03:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 89 states have internal predecessors, (110), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:03:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 198 transitions. [2024-11-23 23:03:28,502 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 198 transitions. Word has length 151 [2024-11-23 23:03:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:28,506 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 198 transitions. [2024-11-23 23:03:28,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2024-11-23 23:03:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 23:03:28,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:28,513 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:28,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:03:28,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:03:28,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:28,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1850010056, now seen corresponding path program 1 times [2024-11-23 23:03:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:03:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400753378] [2024-11-23 23:03:28,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:03:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:03:28,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840112394] [2024-11-23 23:03:28,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:28,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:03:28,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:03:28,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:03:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:03:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:03:29,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:03:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:03:29,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:03:29,373 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:03:29,374 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:03:29,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:03:29,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:03:29,584 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 23:03:29,766 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:03:29,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:03:29 BoogieIcfgContainer [2024-11-23 23:03:29,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:03:29,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:03:29,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:03:29,776 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:03:29,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:34" (3/4) ... [2024-11-23 23:03:29,780 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:03:29,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:03:29,782 INFO L158 Benchmark]: Toolchain (without parser) took 56408.87ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 100.2MB in the beginning and 181.2MB in the end (delta: -81.0MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-11-23 23:03:29,782 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:03:29,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.28ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 85.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:03:29,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.70ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:03:29,784 INFO L158 Benchmark]: Boogie Preprocessor took 69.61ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 75.3MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:03:29,787 INFO L158 Benchmark]: RCFGBuilder took 793.96ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 49.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:03:29,788 INFO L158 Benchmark]: TraceAbstraction took 54938.59ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 49.1MB in the beginning and 181.4MB in the end (delta: -132.3MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-11-23 23:03:29,788 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 360.7MB. Free memory was 181.4MB in the beginning and 181.2MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:03:29,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.28ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 85.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.70ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 80.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.61ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 75.3MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 793.96ms. Allocated memory is still 142.6MB. Free memory was 75.3MB in the beginning and 49.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 54938.59ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 49.1MB in the beginning and 181.4MB in the end (delta: -132.3MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 360.7MB. Free memory was 181.4MB in the beginning and 181.2MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryFLOATComparisonOperation at line 163, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 165, overapproximation of someBinaryFLOATComparisonOperation at line 171, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 173, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] unsigned char var_1_28 = 8; [L41] signed short int var_1_29 = 10; [L42] double var_1_33 = 7.125; [L43] float var_1_34 = 0.75; [L44] float var_1_35 = 25.5; [L45] float var_1_36 = 9.038; [L46] double var_1_38 = 15.5; [L47] float var_1_39 = 128.5; [L48] float var_1_41 = 15.25; [L49] float var_1_42 = 64.5; [L50] float var_1_43 = 256.3; [L51] unsigned long int var_1_44 = 32; [L52] double var_1_45 = 63.25; [L53] unsigned char last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L183] isInitial = 1 [L184] FCALL initially() [L186] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L141] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] var_1_11 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] var_1_12 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_14 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L150] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] var_1_16 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L152] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] var_1_18 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L155] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_28 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L158] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L160] var_1_34 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L161] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L162] var_1_35 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L163] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L164] var_1_36 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L165] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L166] var_1_38 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L167] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L168] var_1_41 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L169] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L170] var_1_42 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L171] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L172] var_1_43 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L173] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L187] RET updateVariables() [L188] CALL step() [L57] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L58] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L65] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L68] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L73] COND FALSE !(var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13)))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L80] COND TRUE (- var_1_13) > 31.9f [L81] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L85] COND TRUE 32.2f > (25.5f - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L86] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=64, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L88] COND FALSE !(var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36)) [L97] var_1_33 = 10000.5 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=64, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L99] COND TRUE \read(var_1_1) [L100] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=64, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L102] var_1_27 = var_1_28 [L103] var_1_22 = 1 [L104] var_1_23 = var_1_22 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] COND TRUE \read(var_1_1) [L106] var_1_39 = var_1_38 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] COND FALSE !(var_1_15 > stepLocal_0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_2=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] COND TRUE var_1_1 || stepLocal_2 [L118] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_3=-10, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L126] COND FALSE !(! (var_1_17 <= var_1_17)) [L129] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L132] COND TRUE ((var_1_38 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35 [L133] var_1_44 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.7s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 1228 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 763 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 903 IncrementalHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 465 mSDtfsCounter, 903 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 522 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 40.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 89 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 44.2s InterpolantComputationTime, 1361 NumberOfCodeBlocks, 1361 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1099 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4518/4620 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 23:03:30,010 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-23 23:03:30,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 f5e7b53db505841f5aa41f80f3528b6151d35e96b0703d96ae80ad44850e98f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:03:33,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:03:33,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:03:33,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:03:33,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:03:33,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:03:33,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:03:33,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:03:33,230 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:03:33,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:03:33,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:03:33,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:03:33,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:03:33,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:03:33,232 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:03:33,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:03:33,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:03:33,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:03:33,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:03:33,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:03:33,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:03:33,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:03:33,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:03:33,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:03:33,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:03:33,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:03:33,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:03:33,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:03:33,238 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:03:33,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:03:33,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:03:33,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:03:33,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:03:33,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:03:33,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:03:33,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:03:33,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:03:33,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:03:33,241 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 -> f5e7b53db505841f5aa41f80f3528b6151d35e96b0703d96ae80ad44850e98f2 [2024-11-23 23:03:33,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:03:33,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:03:33,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:03:33,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:03:33,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:03:33,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:03:37,305 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/f32cfa455/f03518722c334d4db7eadef9167c53f4/FLAG73800eb66 [2024-11-23 23:03:37,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:03:37,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:03:37,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/f32cfa455/f03518722c334d4db7eadef9167c53f4/FLAG73800eb66 [2024-11-23 23:03:37,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/data/f32cfa455/f03518722c334d4db7eadef9167c53f4 [2024-11-23 23:03:37,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:03:37,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:03:37,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:03:37,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:03:37,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:03:37,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:03:37" (1/1) ... [2024-11-23 23:03:37,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b356a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:37, skipping insertion in model container [2024-11-23 23:03:37,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:03:37" (1/1) ... [2024-11-23 23:03:37,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:03:37,972 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i[919,932] [2024-11-23 23:03:38,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:03:38,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:03:38,135 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_70ff950b-13ca-47ad-ab46-163ac6e3f69f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i[919,932] [2024-11-23 23:03:38,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:03:38,202 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:03:38,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38 WrapperNode [2024-11-23 23:03:38,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:03:38,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:03:38,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:03:38,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:03:38,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,263 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-23 23:03:38,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:03:38,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:03:38,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:03:38,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:03:38,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,297 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 23:03:38,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:03:38,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:03:38,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:03:38,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:03:38,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (1/1) ... [2024-11-23 23:03:38,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:03:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:03:38,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:03:38,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:03:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:03:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:03:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:03:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:03:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:03:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:03:38,531 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:03:38,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:03:54,062 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 23:03:54,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:03:54,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:03:54,080 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:03:54,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:03:54 BoogieIcfgContainer [2024-11-23 23:03:54,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:03:54,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:03:54,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:03:54,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:03:54,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:03:37" (1/3) ... [2024-11-23 23:03:54,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:03:54, skipping insertion in model container [2024-11-23 23:03:54,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:03:38" (2/3) ... [2024-11-23 23:03:54,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:03:54, skipping insertion in model container [2024-11-23 23:03:54,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:03:54" (3/3) ... [2024-11-23 23:03:54,096 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i [2024-11-23 23:03:54,114 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:03:54,117 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-41.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:03:54,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:03:54,215 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;@5dd5ab0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:03:54,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:03:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:03:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:03:54,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:54,236 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:54,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:54,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:54,243 INFO L85 PathProgramCache]: Analyzing trace with hash -135128398, now seen corresponding path program 1 times [2024-11-23 23:03:54,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:03:54,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213240326] [2024-11-23 23:03:54,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:54,258 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 23:03:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:03:54,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:55,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:03:55,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:03:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-23 23:03:55,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:03:55,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:03:55,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213240326] [2024-11-23 23:03:55,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213240326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:03:55,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:03:55,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:03:55,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249058968] [2024-11-23 23:03:55,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:03:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:03:55,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:03:55,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:03:55,208 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:55,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:55,239 INFO L93 Difference]: Finished difference Result 152 states and 262 transitions. [2024-11-23 23:03:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:03:55,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-23 23:03:55,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:55,248 INFO L225 Difference]: With dead ends: 152 [2024-11-23 23:03:55,248 INFO L226 Difference]: Without dead ends: 75 [2024-11-23 23:03:55,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 23:03:55,255 INFO L435 NwaCegarLoop]: 113 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, 113 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 23:03:55,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:03:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-23 23:03:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-23 23:03:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:03:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-23 23:03:55,327 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 151 [2024-11-23 23:03:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:55,328 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-23 23:03:55,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:03:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-23 23:03:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:03:55,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:55,332 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:55,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:55,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:55,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:55,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:55,534 INFO L85 PathProgramCache]: Analyzing trace with hash 915448638, now seen corresponding path program 1 times [2024-11-23 23:03:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:03:55,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809598863] [2024-11-23 23:03:55,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:55,536 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 23:03:55,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:03:55,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:55,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:03:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:56,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:03:56,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:03:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:03:58,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:03:58,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:03:58,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809598863] [2024-11-23 23:03:58,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809598863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:03:58,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:03:58,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:03:58,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251595309] [2024-11-23 23:03:58,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:58,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:03:58,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:03:58,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:03:58,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:03:58,304 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:01,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:02,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:02,095 INFO L93 Difference]: Finished difference Result 214 states and 324 transitions. [2024-11-23 23:04:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:04:02,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-23 23:04:02,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:02,104 INFO L225 Difference]: With dead ends: 214 [2024-11-23 23:04:02,104 INFO L226 Difference]: Without dead ends: 142 [2024-11-23 23:04:02,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 23:04:02,106 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 32 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:02,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 225 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-23 23:04:02,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-23 23:04:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 135. [2024-11-23 23:04:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:04:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2024-11-23 23:04:02,135 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 151 [2024-11-23 23:04:02,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:02,136 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2024-11-23 23:04:02,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2024-11-23 23:04:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:04:02,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:02,139 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:02,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:02,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:02,340 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:02,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:02,341 INFO L85 PathProgramCache]: Analyzing trace with hash 97800188, now seen corresponding path program 1 times [2024-11-23 23:04:02,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:02,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782921464] [2024-11-23 23:04:02,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:02,342 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 23:04:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:02,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:02,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:03,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:04:03,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:04:04,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:04,751 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:04,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782921464] [2024-11-23 23:04:04,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782921464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:04,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:04,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:04:04,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867623582] [2024-11-23 23:04:04,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:04,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:04:04,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:04,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:04:04,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:04:04,754 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:12,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:16,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:21,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:25,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:26,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:27,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:27,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:27,265 INFO L93 Difference]: Finished difference Result 398 states and 595 transitions. [2024-11-23 23:04:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:04:27,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-23 23:04:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:27,290 INFO L225 Difference]: With dead ends: 398 [2024-11-23 23:04:27,291 INFO L226 Difference]: Without dead ends: 266 [2024-11-23 23:04:27,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 23:04:27,294 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 35 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:27,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 199 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2024-11-23 23:04:27,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-23 23:04:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 262. [2024-11-23 23:04:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 169 states have (on average 1.2544378698224852) internal successors, (212), 169 states have internal predecessors, (212), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-23 23:04:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 388 transitions. [2024-11-23 23:04:27,352 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 388 transitions. Word has length 151 [2024-11-23 23:04:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:27,356 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 388 transitions. [2024-11-23 23:04:27,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 388 transitions. [2024-11-23 23:04:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 23:04:27,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:27,360 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:27,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:27,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:27,560 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:27,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash -558825927, now seen corresponding path program 1 times [2024-11-23 23:04:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:27,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892507374] [2024-11-23 23:04:27,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:27,563 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 23:04:27,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:27,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:27,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:28,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:04:28,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:04:32,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:32,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:32,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892507374] [2024-11-23 23:04:32,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892507374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:32,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:32,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:04:32,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161492980] [2024-11-23 23:04:32,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:32,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:04:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:32,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:04:32,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:04:32,429 INFO L87 Difference]: Start difference. First operand 262 states and 388 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:34,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:34,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:34,538 INFO L93 Difference]: Finished difference Result 589 states and 875 transitions. [2024-11-23 23:04:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:04:34,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-23 23:04:34,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:34,543 INFO L225 Difference]: With dead ends: 589 [2024-11-23 23:04:34,544 INFO L226 Difference]: Without dead ends: 330 [2024-11-23 23:04:34,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 23:04:34,546 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 17 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:34,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 211 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 23:04:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-23 23:04:34,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 316. [2024-11-23 23:04:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 200 states have (on average 1.24) internal successors, (248), 200 states have internal predecessors, (248), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-23 23:04:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 468 transitions. [2024-11-23 23:04:34,597 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 468 transitions. Word has length 152 [2024-11-23 23:04:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:34,598 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 468 transitions. [2024-11-23 23:04:34,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:04:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 468 transitions. [2024-11-23 23:04:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 23:04:34,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:34,601 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:34,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:04:34,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:34,802 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:34,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1741996663, now seen corresponding path program 1 times [2024-11-23 23:04:34,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:34,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336229507] [2024-11-23 23:04:34,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:34,803 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 23:04:34,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:34,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:34,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 (6)] Waiting until timeout for monitored process [2024-11-23 23:04:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:35,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:04:35,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 495 proven. 54 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-11-23 23:04:37,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:04:40,782 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:40,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336229507] [2024-11-23 23:04:40,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336229507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:04:40,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1764302376] [2024-11-23 23:04:40,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:40,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:04:40,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:04:40,794 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:04:40,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-23 23:04:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:43,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:04:43,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 495 proven. 54 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-11-23 23:04:45,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:04:47,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1764302376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:04:47,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:04:47,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-23 23:04:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114552245] [2024-11-23 23:04:47,687 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:04:47,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:04:47,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:47,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:04:47,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:04:47,689 INFO L87 Difference]: Start difference. First operand 316 states and 468 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-23 23:04:51,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:04:52,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:52,129 INFO L93 Difference]: Finished difference Result 625 states and 893 transitions. [2024-11-23 23:04:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:04:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 152 [2024-11-23 23:04:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:52,167 INFO L225 Difference]: With dead ends: 625 [2024-11-23 23:04:52,168 INFO L226 Difference]: Without dead ends: 366 [2024-11-23 23:04:52,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:04:52,170 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 89 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:52,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 331 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-23 23:04:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-23 23:04:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2024-11-23 23:04:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 230 states have (on average 1.191304347826087) internal successors, (274), 230 states have internal predecessors, (274), 110 states have call successors, (110), 15 states have call predecessors, (110), 15 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-23 23:04:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 494 transitions. [2024-11-23 23:04:52,250 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 494 transitions. Word has length 152 [2024-11-23 23:04:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:52,251 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 494 transitions. [2024-11-23 23:04:52,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-23 23:04:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 494 transitions. [2024-11-23 23:04:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 23:04:52,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:52,258 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:52,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-23 23:04:52,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 (6)] Ended with exit code 0 [2024-11-23 23:04:52,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:52,659 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:52,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash -175943965, now seen corresponding path program 1 times [2024-11-23 23:04:52,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:52,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759250906] [2024-11-23 23:04:52,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:52,661 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 23:04:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:52,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 23:04:52,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ff950b-13ca-47ad-ab46-163ac6e3f69f/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 (8)] Waiting until timeout for monitored process [2024-11-23 23:04:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:53,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 23:04:53,764 INFO L279 TraceCheckSpWp]: Computing forward predicates...