./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB --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 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:43:47,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:43:47,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:43:47,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:43:47,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:43:47,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:43:47,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:43:47,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:43:47,985 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:43:47,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:43:47,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:43:47,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:43:47,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:43:47,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:43:47,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:43:47,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:43:47,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:43:47,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:43:47,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:47,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:47,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:47,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:43:47,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:43:47,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:43:47,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:43:47,991 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 [2024-11-28 04:43:48,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:43:48,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:43:48,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:43:48,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:43:48,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:43:48,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:43:51,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/9a7c50b7f/6a9969cc80cc44e2a4646fc43133495d/FLAGc5fae325b [2024-11-28 04:43:51,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:43:51,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:43:51,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/9a7c50b7f/6a9969cc80cc44e2a4646fc43133495d/FLAGc5fae325b [2024-11-28 04:43:52,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/9a7c50b7f/6a9969cc80cc44e2a4646fc43133495d [2024-11-28 04:43:52,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:43:52,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:43:52,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:52,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:43:52,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:43:52,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f973f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52, skipping insertion in model container [2024-11-28 04:43:52,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:52,354 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-28 04:43:52,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:52,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:52,535 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-28 04:43:52,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:52,622 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:52,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52 WrapperNode [2024-11-28 04:43:52,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:52,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:52,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:52,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:52,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,740 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2024-11-28 04:43:52,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:52,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:52,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:52,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:52,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,787 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]. [2024-11-28 04:43:52,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:52,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:52,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:52,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:52,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (1/1) ... [2024-11-28 04:43:52,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:52,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:52,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:52,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:43:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:43:52,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:53,060 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:53,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:53,981 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:43:53,981 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:54,002 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:54,005 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:43:54,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:54 BoogieIcfgContainer [2024-11-28 04:43:54,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:54,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:54,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:54,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:54,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:52" (1/3) ... [2024-11-28 04:43:54,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9ab4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:54, skipping insertion in model container [2024-11-28 04:43:54,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:52" (2/3) ... [2024-11-28 04:43:54,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9ab4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:54, skipping insertion in model container [2024-11-28 04:43:54,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:54" (3/3) ... [2024-11-28 04:43:54,025 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:43:54,046 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:54,048 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:43:54,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:54,156 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;@67505bc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:54,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:43:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 59 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:43:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:43:54,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:54,183 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:54,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:54,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:54,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1794805451, now seen corresponding path program 1 times [2024-11-28 04:43:54,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:54,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010183843] [2024-11-28 04:43:54,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:54,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:43:54,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:54,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010183843] [2024-11-28 04:43:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010183843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057810650] [2024-11-28 04:43:54,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:54,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:54,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:54,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:43:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:55,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:43:55,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:43:55,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:55,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057810650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:55,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:43:55,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:43:55,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629181108] [2024-11-28 04:43:55,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:55,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:43:55,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:55,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:43:55,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:55,144 INFO L87 Difference]: Start difference. First operand has 81 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 59 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:43:55,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:55,188 INFO L93 Difference]: Finished difference Result 152 states and 266 transitions. [2024-11-28 04:43:55,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:43:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2024-11-28 04:43:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:55,200 INFO L225 Difference]: With dead ends: 152 [2024-11-28 04:43:55,201 INFO L226 Difference]: Without dead ends: 74 [2024-11-28 04:43:55,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:43:55,212 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 [2024-11-28 04:43:55,213 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] [2024-11-28 04:43:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-28 04:43:55,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-28 04:43:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:43:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 113 transitions. [2024-11-28 04:43:55,283 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 113 transitions. Word has length 136 [2024-11-28 04:43:55,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:55,285 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 113 transitions. [2024-11-28 04:43:55,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:43:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2024-11-28 04:43:55,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:43:55,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:55,296 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:55,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:43:55,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:55,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:55,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 800608829, now seen corresponding path program 1 times [2024-11-28 04:43:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033676521] [2024-11-28 04:43:55,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:43:56,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:56,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033676521] [2024-11-28 04:43:56,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033676521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:56,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:56,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:56,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132401275] [2024-11-28 04:43:56,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:56,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:56,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:56,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:56,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:56,125 INFO L87 Difference]: Start difference. First operand 74 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:56,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:56,179 INFO L93 Difference]: Finished difference Result 145 states and 223 transitions. [2024-11-28 04:43:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:56,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2024-11-28 04:43:56,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:56,183 INFO L225 Difference]: With dead ends: 145 [2024-11-28 04:43:56,183 INFO L226 Difference]: Without dead ends: 74 [2024-11-28 04:43:56,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:56,185 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:56,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:43:56,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-28 04:43:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-28 04:43:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:43:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2024-11-28 04:43:56,214 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 136 [2024-11-28 04:43:56,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:56,216 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2024-11-28 04:43:56,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-28 04:43:56,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:43:56,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:56,223 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:56,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:56,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:56,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1719351105, now seen corresponding path program 1 times [2024-11-28 04:43:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285412896] [2024-11-28 04:43:56,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:43:56,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285412896] [2024-11-28 04:43:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285412896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:56,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:56,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:56,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399361166] [2024-11-28 04:43:56,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:56,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:56,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:56,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:56,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:56,868 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:57,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:57,167 INFO L93 Difference]: Finished difference Result 217 states and 331 transitions. [2024-11-28 04:43:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:57,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2024-11-28 04:43:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:57,175 INFO L225 Difference]: With dead ends: 217 [2024-11-28 04:43:57,176 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 04:43:57,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:57,178 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 78 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:57,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 320 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:43:57,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 04:43:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 112. [2024-11-28 04:43:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.289855072463768) internal successors, (89), 69 states have internal predecessors, (89), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:43:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2024-11-28 04:43:57,232 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 136 [2024-11-28 04:43:57,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:57,236 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2024-11-28 04:43:57,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2024-11-28 04:43:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:43:57,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:57,239 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:57,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:57,243 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:57,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1153210380, now seen corresponding path program 1 times [2024-11-28 04:43:57,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:57,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116892108] [2024-11-28 04:43:57,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:43:57,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:57,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116892108] [2024-11-28 04:43:57,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116892108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:57,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:57,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:43:57,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659762894] [2024-11-28 04:43:57,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:57,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:57,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:57,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:57,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:43:57,897 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:58,197 INFO L93 Difference]: Finished difference Result 279 states and 423 transitions. [2024-11-28 04:43:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-28 04:43:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:58,205 INFO L225 Difference]: With dead ends: 279 [2024-11-28 04:43:58,205 INFO L226 Difference]: Without dead ends: 208 [2024-11-28 04:43:58,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:58,209 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 117 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:58,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 342 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:43:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-28 04:43:58,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 181. [2024-11-28 04:43:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 117 states have (on average 1.3247863247863247) internal successors, (155), 117 states have internal predecessors, (155), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:43:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 275 transitions. [2024-11-28 04:43:58,296 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 275 transitions. Word has length 137 [2024-11-28 04:43:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:58,299 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 275 transitions. [2024-11-28 04:43:58,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:58,299 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 275 transitions. [2024-11-28 04:43:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:43:58,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:58,306 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:58,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:43:58,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:58,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash 136552080, now seen corresponding path program 1 times [2024-11-28 04:43:58,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:58,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292018509] [2024-11-28 04:43:58,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:43:59,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:59,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292018509] [2024-11-28 04:43:59,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292018509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:59,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:59,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:43:59,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793525186] [2024-11-28 04:43:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:59,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:59,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:59,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:59,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:59,317 INFO L87 Difference]: Start difference. First operand 181 states and 275 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:59,929 INFO L93 Difference]: Finished difference Result 428 states and 649 transitions. [2024-11-28 04:43:59,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:43:59,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-28 04:43:59,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:59,935 INFO L225 Difference]: With dead ends: 428 [2024-11-28 04:43:59,935 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 04:43:59,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:43:59,938 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 104 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:59,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 409 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:43:59,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 04:43:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 238. [2024-11-28 04:43:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.4219653179190752) internal successors, (246), 173 states have internal predecessors, (246), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:43:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 366 transitions. [2024-11-28 04:43:59,989 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 366 transitions. Word has length 138 [2024-11-28 04:43:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:59,990 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 366 transitions. [2024-11-28 04:43:59,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:43:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 366 transitions. [2024-11-28 04:43:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:43:59,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:59,994 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:59,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:43:59,994 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:59,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash 559253906, now seen corresponding path program 1 times [2024-11-28 04:43:59,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:59,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104360822] [2024-11-28 04:43:59,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:44:00,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:00,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104360822] [2024-11-28 04:44:00,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104360822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:00,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157330850] [2024-11-28 04:44:00,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:00,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:00,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:00,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:00,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:44:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:00,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:44:00,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-28 04:44:00,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:44:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157330850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:01,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 9 [2024-11-28 04:44:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320993319] [2024-11-28 04:44:01,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:01,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:44:01,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:01,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:44:01,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:44:01,310 INFO L87 Difference]: Start difference. First operand 238 states and 366 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 04:44:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:02,570 INFO L93 Difference]: Finished difference Result 546 states and 809 transitions. [2024-11-28 04:44:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:44:02,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 138 [2024-11-28 04:44:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:02,579 INFO L225 Difference]: With dead ends: 546 [2024-11-28 04:44:02,580 INFO L226 Difference]: Without dead ends: 364 [2024-11-28 04:44:02,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 272 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2024-11-28 04:44:02,583 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 381 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:02,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 204 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:44:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-28 04:44:02,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 219. [2024-11-28 04:44:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 148 states have (on average 1.2364864864864864) internal successors, (183), 148 states have internal predecessors, (183), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:44:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 303 transitions. [2024-11-28 04:44:02,675 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 303 transitions. Word has length 138 [2024-11-28 04:44:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:02,676 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 303 transitions. [2024-11-28 04:44:02,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 04:44:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 303 transitions. [2024-11-28 04:44:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:44:02,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:02,682 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:02,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:02,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:02,882 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:02,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -257137097, now seen corresponding path program 1 times [2024-11-28 04:44:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:02,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696620590] [2024-11-28 04:44:02,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:44:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:04,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696620590] [2024-11-28 04:44:04,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696620590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:04,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676465081] [2024-11-28 04:44:04,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:04,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:04,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:04,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:04,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:44:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:04,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:44:04,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 04:44:04,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:44:05,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676465081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:05,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:05,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 14 [2024-11-28 04:44:05,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096296937] [2024-11-28 04:44:05,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:05,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:44:05,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:05,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:44:05,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:44:05,447 INFO L87 Difference]: Start difference. First operand 219 states and 303 transitions. Second operand has 14 states, 14 states have (on average 8.5) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 5 states have call predecessors, (57), 5 states have call successors, (57) [2024-11-28 04:44:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:06,711 INFO L93 Difference]: Finished difference Result 467 states and 641 transitions. [2024-11-28 04:44:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:44:06,712 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.5) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 5 states have call predecessors, (57), 5 states have call successors, (57) Word has length 141 [2024-11-28 04:44:06,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:06,715 INFO L225 Difference]: With dead ends: 467 [2024-11-28 04:44:06,715 INFO L226 Difference]: Without dead ends: 301 [2024-11-28 04:44:06,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:44:06,717 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 198 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:06,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 381 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:44:06,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-28 04:44:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 227. [2024-11-28 04:44:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 154 states have (on average 1.2142857142857142) internal successors, (187), 154 states have internal predecessors, (187), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:44:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 307 transitions. [2024-11-28 04:44:06,771 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 307 transitions. Word has length 141 [2024-11-28 04:44:06,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:06,774 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 307 transitions. [2024-11-28 04:44:06,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.5) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 5 states have call predecessors, (57), 5 states have call successors, (57) [2024-11-28 04:44:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2024-11-28 04:44:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 04:44:06,777 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:06,777 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:06,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:06,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:06,983 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:06,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1305064142, now seen corresponding path program 1 times [2024-11-28 04:44:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721954148] [2024-11-28 04:44:06,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:44:07,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615443329] [2024-11-28 04:44:07,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:07,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:07,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:07,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:44:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:07,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:44:07,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 04:44:07,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:08,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:08,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721954148] [2024-11-28 04:44:08,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:44:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615443329] [2024-11-28 04:44:08,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615443329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:08,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:08,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:44:08,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646870653] [2024-11-28 04:44:08,271 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:08,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:44:08,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:08,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:44:08,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:44:08,272 INFO L87 Difference]: Start difference. First operand 227 states and 307 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:44:08,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:08,620 INFO L93 Difference]: Finished difference Result 413 states and 557 transitions. [2024-11-28 04:44:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:44:08,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2024-11-28 04:44:08,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:08,623 INFO L225 Difference]: With dead ends: 413 [2024-11-28 04:44:08,623 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 04:44:08,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:44:08,625 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 42 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:08,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 219 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:44:08,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 04:44:08,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 227. [2024-11-28 04:44:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 154 states have internal predecessors, (185), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:44:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 305 transitions. [2024-11-28 04:44:08,660 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 305 transitions. Word has length 142 [2024-11-28 04:44:08,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:08,660 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 305 transitions. [2024-11-28 04:44:08,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:44:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2024-11-28 04:44:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:44:08,662 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:08,663 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:08,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:44:08,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:08,864 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:08,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash 837621144, now seen corresponding path program 1 times [2024-11-28 04:44:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332014577] [2024-11-28 04:44:08,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:44:09,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916221288] [2024-11-28 04:44:09,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:09,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:09,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:09,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:44:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:09,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:44:09,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 199 proven. 135 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-28 04:44:11,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:21,549 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:44:33,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:33,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332014577] [2024-11-28 04:44:33,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:44:33,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916221288] [2024-11-28 04:44:33,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916221288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:33,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:33,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 04:44:33,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195822268] [2024-11-28 04:44:33,561 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:33,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:44:33,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:33,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:44:33,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:44:33,563 INFO L87 Difference]: Start difference. First operand 227 states and 305 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-28 04:44:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:34,627 INFO L93 Difference]: Finished difference Result 419 states and 556 transitions. [2024-11-28 04:44:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:44:34,628 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 143 [2024-11-28 04:44:34,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:34,631 INFO L225 Difference]: With dead ends: 419 [2024-11-28 04:44:34,632 INFO L226 Difference]: Without dead ends: 245 [2024-11-28 04:44:34,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:44:34,633 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 82 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:34,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 447 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:44:34,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-28 04:44:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 235. [2024-11-28 04:44:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 160 states have (on average 1.1875) internal successors, (190), 160 states have internal predecessors, (190), 60 states have call successors, (60), 14 states have call predecessors, (60), 14 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:44:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 310 transitions. [2024-11-28 04:44:34,670 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 310 transitions. Word has length 143 [2024-11-28 04:44:34,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:34,671 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 310 transitions. [2024-11-28 04:44:34,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-28 04:44:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 310 transitions. [2024-11-28 04:44:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 04:44:34,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:34,674 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:34,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:44:34,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:34,875 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:34,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1514720984, now seen corresponding path program 1 times [2024-11-28 04:44:34,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:34,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888617925] [2024-11-28 04:44:34,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:44:35,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391280551] [2024-11-28 04:44:35,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:35,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:35,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:35,050 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:44:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:35,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 04:44:35,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 247 proven. 195 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-28 04:44:37,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:00,224 WARN L286 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:45:14,232 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse2 (div (mod c_~var_1_6~0 65536) .cse7)) (.cse4 (mod c_~var_1_19~0 4294967296))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse1 (+ .cse4 1)) (.cse5 (mod |c_ULTIMATE.start_step_~stepLocal_2~0#1| 65536)) (.cse6 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (forall ((v_z_11 Int)) (or (< .cse5 v_z_11) (< v_z_11 .cse1) (< v_z_11 .cse6) (not (= v_z_11 (mod (* v_z_11 .cse2) 4294967296))))) (or (< .cse5 .cse3) (< .cse3 .cse6) (< .cse4 .cse3)))))) is different from false [2024-11-28 04:45:23,883 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:45:42,735 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:45:52,713 WARN L286 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:52,098 WARN L286 SmtUtils]: Spent 30.01s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:47:03,586 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:49,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:49,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888617925] [2024-11-28 04:47:49,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:47:49,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391280551] [2024-11-28 04:47:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391280551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:49,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-28 04:47:49,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269787080] [2024-11-28 04:47:49,141 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:49,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:47:49,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:49,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:47:49,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=686, Unknown=13, NotChecked=58, Total=992 [2024-11-28 04:47:49,142 INFO L87 Difference]: Start difference. First operand 235 states and 310 transitions. Second operand has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (20), 6 states have call predecessors, (20), 7 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-28 04:47:54,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:54,477 INFO L93 Difference]: Finished difference Result 414 states and 528 transitions. [2024-11-28 04:47:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 04:47:54,478 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (20), 6 states have call predecessors, (20), 7 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 143 [2024-11-28 04:47:54,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:54,481 INFO L225 Difference]: With dead ends: 414 [2024-11-28 04:47:54,485 INFO L226 Difference]: Without dead ends: 326 [2024-11-28 04:47:54,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 117.5s TimeCoverageRelationStatistics Valid=396, Invalid=1155, Unknown=13, NotChecked=76, Total=1640 [2024-11-28 04:47:54,487 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 360 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:54,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 499 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 04:47:54,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-28 04:47:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 265. [2024-11-28 04:47:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 183 states have (on average 1.1639344262295082) internal successors, (213), 183 states have internal predecessors, (213), 60 states have call successors, (60), 21 states have call predecessors, (60), 21 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:47:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 333 transitions. [2024-11-28 04:47:54,548 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 333 transitions. Word has length 143 [2024-11-28 04:47:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:54,548 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 333 transitions. [2024-11-28 04:47:54,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (20), 6 states have call predecessors, (20), 7 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-28 04:47:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 333 transitions. [2024-11-28 04:47:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 04:47:54,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:54,550 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:54,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:47:54,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:54,751 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:54,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1718120318, now seen corresponding path program 1 times [2024-11-28 04:47:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:54,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280398590] [2024-11-28 04:47:54,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:47:54,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418860612] [2024-11-28 04:47:54,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:54,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:54,919 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:54,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:47:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:47:55,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:47:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:47:55,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:47:55,378 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:47:55,379 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:47:55,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:47:55,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:55,587 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:55,765 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:47:55,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:47:55 BoogieIcfgContainer [2024-11-28 04:47:55,771 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:47:55,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:47:55,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:47:55,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:47:55,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:54" (3/4) ... [2024-11-28 04:47:55,777 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:47:55,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:47:55,780 INFO L158 Benchmark]: Toolchain (without parser) took 243689.19ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.2MB in the beginning and 60.8MB in the end (delta: 31.3MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-11-28 04:47:55,780 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:55,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.93ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:47:55,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.79ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 71.6MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:55,781 INFO L158 Benchmark]: Boogie Preprocessor took 90.60ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 64.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:47:55,782 INFO L158 Benchmark]: RCFGBuilder took 1173.32ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 88.8MB in the end (delta: -24.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-28 04:47:55,783 INFO L158 Benchmark]: TraceAbstraction took 241761.12ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 88.2MB in the beginning and 60.9MB in the end (delta: 27.4MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2024-11-28 04:47:55,783 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 192.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:55,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.93ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.79ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 71.6MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.60ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 64.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1173.32ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 88.8MB in the end (delta: -24.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 241761.12ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 88.2MB in the beginning and 60.9MB in the end (delta: 27.4MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 192.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 23.5kB). 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 bitwiseOr at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 159, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of someBinaryDOUBLEComparisonOperation at line 157. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] signed long int var_1_24 = -25; [L40] signed short int var_1_25 = -100; [L41] unsigned char var_1_28 = 1; [L42] unsigned long int var_1_30 = 0; [L43] unsigned char var_1_31 = 64; [L44] unsigned char var_1_33 = 128; [L45] unsigned char var_1_34 = 100; [L46] unsigned char var_1_35 = 4; [L47] unsigned short int last_1_var_1_5 = 0; [L48] unsigned char last_1_var_1_15 = 1; [L49] unsigned char last_1_var_1_18 = 1; [L50] unsigned long int last_1_var_1_19 = 1; VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L189] isInitial = 1 [L190] FCALL initially() [L192] CALL updateLastVariables() [L179] last_1_var_1_5 = var_1_5 [L180] last_1_var_1_15 = var_1_15 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L192] RET updateLastVariables() [L193] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L148] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L148] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L149] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L149] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L150] var_1_6 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L151] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L152] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L152] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L153] var_1_7 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L154] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L155] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L155] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L156] var_1_10 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L157] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L158] var_1_11 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L159] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L160] var_1_12 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L161] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L162] var_1_14 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L163] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L164] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L164] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L165] var_1_16 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L166] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L167] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L167] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L168] var_1_33 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L169] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L170] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L170] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L171] var_1_34 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L172] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L173] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L173] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L174] var_1_35 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L175] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L176] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L176] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L193] RET updateVariables() [L194] CALL step() [L54] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L55] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L56] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L57] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L64] COND FALSE !(var_1_12 != var_1_8) [L67] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L69] var_1_17 = var_1_4 [L70] var_1_18 = var_1_16 [L71] var_1_19 = var_1_4 [L72] unsigned short int stepLocal_1 = var_1_17; [L73] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L74] COND FALSE !(stepLocal_0 && var_1_15) [L85] var_1_1 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L87] unsigned short int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_2=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L88] COND FALSE !(stepLocal_2 < last_1_var_1_5) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L91] COND FALSE !(! var_1_15) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L95] unsigned short int stepLocal_5 = var_1_6; [L96] unsigned short int stepLocal_4 = var_1_5; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_4=0, stepLocal_5=-32769, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L97] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_5=-32769, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L98] COND TRUE var_1_5 <= stepLocal_5 [L99] var_1_13 = 32 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L106] COND FALSE !(var_1_12 == var_1_10) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L109] COND TRUE ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) > ((((128.5f) < (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (128.5f) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) [L110] var_1_24 = ((((var_1_4) > (var_1_4)) ? (var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L112] EXPR var_1_14 | var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L112] COND TRUE (var_1_4 / var_1_6) < (var_1_14 | var_1_6) [L113] COND TRUE (- var_1_12) >= 256.75f [L114] var_1_25 = var_1_4 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L119] EXPR var_1_6 ^ (~ var_1_17) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L119] COND FALSE !((var_1_6 ^ (~ var_1_17)) >= var_1_17) [L122] COND TRUE var_1_19 < var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L123] COND TRUE var_1_12 <= var_1_12 [L124] var_1_30 = var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=32767, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L127] COND FALSE !(var_1_4 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L142] var_1_31 = var_1_14 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=32767, var_1_31=0, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=32767, var_1_31=0, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=32767, var_1_31=0, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_24=4, var_1_25=4, var_1_28=1, var_1_30=32767, var_1_31=0, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=4, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 241.5s, OverallIterations: 11, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1369 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1362 mSDsluCounter, 3146 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2199 mSDsCounter, 536 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2454 IncrementalHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 536 mSolverCounterUnsat, 947 mSDtfsCounter, 2454 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1469 GetRequests, 1330 SyntacticMatches, 2 SemanticMatches, 137 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 129.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=10, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 413 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 225.1s InterpolantComputationTime, 2521 NumberOfCodeBlocks, 2521 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2069 ConstructedInterpolants, 0 QuantifiedInterpolants, 9453 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2120 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 10750/11400 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 [2024-11-28 04:47:56,003 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 04:47:56,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB --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 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:47:58,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:47:58,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:47:58,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:47:58,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:47:58,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:47:58,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:47:58,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:47:58,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:47:58,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:47:58,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:47:58,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:47:58,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:47:58,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:47:58,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:47:58,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:47:58,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:47:58,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:47:59,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:47:59,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:47:59,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:47:59,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:59,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:59,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:59,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:59,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:47:59,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:59,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:59,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:59,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:59,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:47:59,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:47:59,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:47:59,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:47:59,005 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 [2024-11-28 04:47:59,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:47:59,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:47:59,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:47:59,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:47:59,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:47:59,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:48:02,443 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/a1b62ab19/288adf4efcbd41c28888a7be8bdf65a6/FLAG463644d4c [2024-11-28 04:48:02,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:02,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:48:02,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/a1b62ab19/288adf4efcbd41c28888a7be8bdf65a6/FLAG463644d4c [2024-11-28 04:48:03,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/data/a1b62ab19/288adf4efcbd41c28888a7be8bdf65a6 [2024-11-28 04:48:03,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:03,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:03,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:03,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:03,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:03,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fc9858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03, skipping insertion in model container [2024-11-28 04:48:03,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:03,256 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-28 04:48:03,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:03,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:03,380 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_550ac7d6-d5a2-4823-a940-2ff166a83c1f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-28 04:48:03,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:03,444 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:03,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03 WrapperNode [2024-11-28 04:48:03,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:03,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:03,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:03,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:03,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,507 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-28 04:48:03,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:03,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:03,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:03,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:03,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,537 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]. [2024-11-28 04:48:03,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:03,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:03,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:03,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:03,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (1/1) ... [2024-11-28 04:48:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:03,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:03,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:48:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:48:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:48:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:48:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:03,781 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:03,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:05,112 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:05,113 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:05,130 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:05,131 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:48:05,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:05 BoogieIcfgContainer [2024-11-28 04:48:05,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:05,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:05,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:05,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:05,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:03" (1/3) ... [2024-11-28 04:48:05,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fe9fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:05, skipping insertion in model container [2024-11-28 04:48:05,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:03" (2/3) ... [2024-11-28 04:48:05,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fe9fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:05, skipping insertion in model container [2024-11-28 04:48:05,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:05" (3/3) ... [2024-11-28 04:48:05,149 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-28 04:48:05,168 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:05,170 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i that has 2 procedures, 74 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:05,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:05,264 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;@190311ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:05,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:48:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:48:05,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:05,282 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:05,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:05,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:05,290 INFO L85 PathProgramCache]: Analyzing trace with hash 130872288, now seen corresponding path program 1 times [2024-11-28 04:48:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:05,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786711209] [2024-11-28 04:48:05,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:05,305 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 [2024-11-28 04:48:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:05,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:05,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:05,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:05,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-28 04:48:05,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:05,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:05,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786711209] [2024-11-28 04:48:05,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786711209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:05,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:05,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:48:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225896940] [2024-11-28 04:48:05,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:05,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:05,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:05,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:05,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:05,833 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:48:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:05,864 INFO L93 Difference]: Finished difference Result 138 states and 242 transitions. [2024-11-28 04:48:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:05,866 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2024-11-28 04:48:05,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:05,873 INFO L225 Difference]: With dead ends: 138 [2024-11-28 04:48:05,873 INFO L226 Difference]: Without dead ends: 67 [2024-11-28 04:48:05,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:05,880 INFO L435 NwaCegarLoop]: 102 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, 102 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 [2024-11-28 04:48:05,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-28 04:48:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-28 04:48:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:48:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2024-11-28 04:48:05,932 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 134 [2024-11-28 04:48:05,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:05,932 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2024-11-28 04:48:05,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:48:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-28 04:48:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:48:05,937 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:05,938 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:05,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:06,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:06,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:06,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:06,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1876890262, now seen corresponding path program 1 times [2024-11-28 04:48:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340736657] [2024-11-28 04:48:06,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:06,145 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 [2024-11-28 04:48:06,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:06,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:06,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:06,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:48:06,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:48:07,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:07,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:07,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340736657] [2024-11-28 04:48:07,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340736657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:07,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:07,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:48:07,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983089042] [2024-11-28 04:48:07,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:07,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:48:07,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:07,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:48:07,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:48:07,293 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:48:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:08,432 INFO L93 Difference]: Finished difference Result 196 states and 301 transitions. [2024-11-28 04:48:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:48:08,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-28 04:48:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:08,445 INFO L225 Difference]: With dead ends: 196 [2024-11-28 04:48:08,445 INFO L226 Difference]: Without dead ends: 132 [2024-11-28 04:48:08,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:48:08,449 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 65 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:08,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 290 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:48:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-28 04:48:08,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 105. [2024-11-28 04:48:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 62 states have internal predecessors, (79), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:48:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 159 transitions. [2024-11-28 04:48:08,491 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 159 transitions. Word has length 134 [2024-11-28 04:48:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:08,492 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 159 transitions. [2024-11-28 04:48:08,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:48:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2024-11-28 04:48:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 04:48:08,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:08,495 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:08,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:08,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:08,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:08,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:08,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1303864671, now seen corresponding path program 1 times [2024-11-28 04:48:08,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:08,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816162901] [2024-11-28 04:48:08,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:08,697 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 [2024-11-28 04:48:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:08,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:08,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:09,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:48:09,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:48:09,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:09,754 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:09,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816162901] [2024-11-28 04:48:09,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816162901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:09,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:09,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:48:09,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957616003] [2024-11-28 04:48:09,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:09,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:48:09,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:09,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:48:09,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:48:09,759 INFO L87 Difference]: Start difference. First operand 105 states and 159 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:48:11,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:11,032 INFO L93 Difference]: Finished difference Result 251 states and 383 transitions. [2024-11-28 04:48:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:48:11,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-28 04:48:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:11,047 INFO L225 Difference]: With dead ends: 251 [2024-11-28 04:48:11,047 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 04:48:11,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:48:11,049 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 94 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:11,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 302 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:48:11,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 04:48:11,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 167. [2024-11-28 04:48:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 103 states have internal predecessors, (135), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:48:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 255 transitions. [2024-11-28 04:48:11,103 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 255 transitions. Word has length 135 [2024-11-28 04:48:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:11,104 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 255 transitions. [2024-11-28 04:48:11,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:48:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 255 transitions. [2024-11-28 04:48:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:48:11,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:11,107 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:11,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:11,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:11,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1567346565, now seen corresponding path program 1 times [2024-11-28 04:48:11,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:11,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006640175] [2024-11-28 04:48:11,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:11,313 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 [2024-11-28 04:48:11,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:11,315 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:11,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:11,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:48:11,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 388 proven. 36 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-28 04:48:12,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:48:12,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:12,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006640175] [2024-11-28 04:48:12,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006640175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:12,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:48:12,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-28 04:48:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880241691] [2024-11-28 04:48:12,997 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:12,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:48:12,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:12,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:48:12,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:48:13,000 INFO L87 Difference]: Start difference. First operand 167 states and 255 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-28 04:48:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:15,837 INFO L93 Difference]: Finished difference Result 542 states and 789 transitions. [2024-11-28 04:48:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 04:48:15,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 136 [2024-11-28 04:48:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:15,846 INFO L225 Difference]: With dead ends: 542 [2024-11-28 04:48:15,847 INFO L226 Difference]: Without dead ends: 416 [2024-11-28 04:48:15,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 04:48:15,854 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 322 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:15,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 396 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:48:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-28 04:48:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 201. [2024-11-28 04:48:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 131 states have (on average 1.251908396946565) internal successors, (164), 131 states have internal predecessors, (164), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:48:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 284 transitions. [2024-11-28 04:48:15,954 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 284 transitions. Word has length 136 [2024-11-28 04:48:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:15,956 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 284 transitions. [2024-11-28 04:48:15,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-28 04:48:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 284 transitions. [2024-11-28 04:48:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:48:15,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:15,983 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:15,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:48:16,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:16,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:16,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:16,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2140814717, now seen corresponding path program 1 times [2024-11-28 04:48:16,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:16,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121888585] [2024-11-28 04:48:16,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:16,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:16,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:16,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:48:16,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:48:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:16,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 04:48:16,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 454 proven. 120 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-28 04:48:21,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 75 proven. 87 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-28 04:48:57,323 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:57,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121888585] [2024-11-28 04:48:57,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121888585] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:57,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:48:57,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 32 [2024-11-28 04:48:57,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59382466] [2024-11-28 04:48:57,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:57,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 04:48:57,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:57,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 04:48:57,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:48:57,327 INFO L87 Difference]: Start difference. First operand 201 states and 284 transitions. Second operand has 32 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 9 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) [2024-11-28 04:49:11,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:12,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:03,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:50:05,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:50:05,617 INFO L93 Difference]: Finished difference Result 512 states and 688 transitions. [2024-11-28 04:50:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-28 04:50:05,630 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 9 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) Word has length 136 [2024-11-28 04:50:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:50:05,634 INFO L225 Difference]: With dead ends: 512 [2024-11-28 04:50:05,634 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 04:50:05,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1653 ImplicationChecksByTransitivity, 48.5s TimeCoverageRelationStatistics Valid=1349, Invalid=3207, Unknown=0, NotChecked=0, Total=4556 [2024-11-28 04:50:05,637 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 440 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:50:05,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 634 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 37.8s Time] [2024-11-28 04:50:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 04:50:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 250. [2024-11-28 04:50:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 172 states have (on average 1.2034883720930232) internal successors, (207), 172 states have internal predecessors, (207), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:50:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 327 transitions. [2024-11-28 04:50:05,691 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 327 transitions. Word has length 136 [2024-11-28 04:50:05,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:50:05,692 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 327 transitions. [2024-11-28 04:50:05,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 9 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (40), 9 states have call predecessors, (40), 9 states have call successors, (40) [2024-11-28 04:50:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 327 transitions. [2024-11-28 04:50:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:50:05,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:50:05,695 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:50:05,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:50:05,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:50:05,896 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:50:05,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:50:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash 426798141, now seen corresponding path program 1 times [2024-11-28 04:50:05,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:50:05,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11444895] [2024-11-28 04:50:05,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:50:05,898 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 [2024-11-28 04:50:05,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:50:05,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:50:05,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 (7)] Waiting until timeout for monitored process [2024-11-28 04:50:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:50:06,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:50:06,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:50:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 04:50:06,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:50:07,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:50:07,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11444895] [2024-11-28 04:50:07,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11444895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:50:07,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1445936941] [2024-11-28 04:50:07,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:50:07,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:50:07,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:50:07,081 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:50:07,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-28 04:50:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:50:07,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:50:07,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:50:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 04:50:08,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:50:09,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1445936941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:50:09,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:50:09,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2024-11-28 04:50:09,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074114509] [2024-11-28 04:50:09,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:50:09,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:50:09,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:50:09,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:50:09,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:50:09,134 INFO L87 Difference]: Start difference. First operand 250 states and 327 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:50:10,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:50:10,686 INFO L93 Difference]: Finished difference Result 461 states and 600 transitions. [2024-11-28 04:50:10,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:50:10,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2024-11-28 04:50:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:50:10,689 INFO L225 Difference]: With dead ends: 461 [2024-11-28 04:50:10,689 INFO L226 Difference]: Without dead ends: 272 [2024-11-28 04:50:10,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:50:10,691 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 69 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:50:10,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 176 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:50:10,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-28 04:50:10,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 242. [2024-11-28 04:50:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 163 states have (on average 1.177914110429448) internal successors, (192), 163 states have internal predecessors, (192), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:50:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 312 transitions. [2024-11-28 04:50:10,734 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 312 transitions. Word has length 136 [2024-11-28 04:50:10,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:50:10,735 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 312 transitions. [2024-11-28 04:50:10,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:50:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 312 transitions. [2024-11-28 04:50:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:50:10,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:50:10,737 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:50:10,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-28 04:50:10,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 (7)] Ended with exit code 0 [2024-11-28 04:50:11,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:50:11,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:50:11,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:50:11,139 INFO L85 PathProgramCache]: Analyzing trace with hash 746034885, now seen corresponding path program 1 times [2024-11-28 04:50:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:50:11,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116797775] [2024-11-28 04:50:11,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:50:11,139 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 [2024-11-28 04:50:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:50:11,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:50:11,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/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 (9)] Waiting until timeout for monitored process [2024-11-28 04:50:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:50:11,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 04:50:11,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:50:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 279 proven. 162 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-28 04:50:15,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:51:40,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:51:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116797775] [2024-11-28 04:51:40,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116797775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:51:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [721552634] [2024-11-28 04:51:40,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:40,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:51:40,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:51:40,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_550ac7d6-d5a2-4823-a940-2ff166a83c1f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-28 04:51:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:41,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-28 04:51:41,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 279 proven. 162 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-28 04:52:01,113 INFO L312 TraceCheckSpWp]: Computing backward predicates...